[svn-r27685] Merge of r27572 from trunk

Remove all VMS-specific code from the library. The exception is the VMS
floating-point tests since those are special as VMS floats are odd.
Those files will be considered separately.

Fixes HDFFV-9495

Tested on: h5committest

40 files changed, 34 insertions, 628 deletions

diff --git a/bin/chkcopyright b/bin/chkcopyright
index fe9fe49..07fcb24 100755
--- a/bin/chkcopyright
+++ b/bin/chkcopyright
@@ -56,7 +56,6 @@ HTM_COPYRIGHT=/tmp/h5chkright_HTM.$$	# HTML style copyright
 SH_COPYRIGHT=/tmp/h5chkright_SH.$$	# SHELL style copyright
 SH_COPYRIGHT2=/tmp/h5chkright_SH2.$$	# SHELL style copyright, 2nd style.
 WINBAT_COPYRIGHT=/tmp/h5chkright_WINBAT.$$	# Windows Batch file Copyright notice
-VMSCMD_COPYRIGHT=/tmp/h5chkright_VMSCMD.$$	# VMS command file Copyright notice
 CONFIGURE_AC_COPYRIGHT=/tmp/h5chkright_CONFIGURE_AC.$$	# configure.ac file Copyright notice
 
 tmpfixfile=/tmp/h5chkright_fix.$$	# Temporary fixed copy of file
@@ -223,22 +222,6 @@ dnl http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
 dnl access to either file, you may request a copy from help@hdfgroup.org.
 EOF
 
-    # VMS command file Copyright notice
-    cat > ${VMSCMD_COPYRIGHT} << \EOF
-$!# Copyright by The HDF Group.
-$!# Copyright by the Board of Trustees of the University of Illinois.
-$!# All rights reserved.
-$!#
-$!# This file is part of HDF5.  The full HDF5 copyright notice, including
-$!# terms governing use, modification, and redistribution, is contained in
-$!# the files COPYING and Copyright.html.  COPYING can be found at the root
-$!# of the source code distribution tree; Copyright.html can be found at the
-$!# root level of an installed copy of the electronic HDF5 document set and
-$!# is linked from the top-level documents page.  It can also be found at
-$!# http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have
-$!# access to either file, you may request a copy from help@hdfgroup.org.
-EOF
-
 }
 
 # Initialization
@@ -611,28 +594,6 @@ BATCH_FILE()
 }
 
 
-# Check Windows Batch files
-#
-VMSCMD_FILE()
-{
-    f=$1
-    case `MATCH_COPYRIGHT $VMSCMD_COPYRIGHT $f` in
-    PASSED)
-	PASSED $f
-	return
-	;;
-    FAILED)
-	# show the difference
-	FAILED $f
-	$DIFF ${EXTRACTEDFILE} ${VMSCMD_COPYRIGHT}
-	if [ -n "$FIXIT" ]; then
-	    FIX_COPYRIGHT $VMSCMD_COPYRIGHT $f
-	fi
-	;;
-    esac
-}
-
-
 # Check Configure.in type files
 #
 CONFIGURE_AC_FILE()
@@ -834,10 +795,6 @@ while read file; do
 	    # Windows Batch files
 	    BATCH_FILE ${file}
 	    ;;
-	*.com )
-	    # VMS Command files
-	    VMSCMD_FILE ${file}
-	    ;;
 	*.h5 | *.hdf5 )
 	    # Ignore HDF5 data files
 	    continue
diff --git a/c++/src/H5IdComponent.cpp b/c++/src/H5IdComponent.cpp
index c01d41e..bcd69c4 100644
--- a/c++/src/H5IdComponent.cpp
+++ b/c++/src/H5IdComponent.cpp
@@ -285,15 +285,9 @@ IdComponent::~IdComponent() {}
 //--------------------------------------------------------------------------
 H5std_string IdComponent::inMemFunc(const char* func_name) const
 {
-#ifdef H5_VMS
-   H5std_string full_name = fromClass();
-   full_name.append("::");
-   full_name.append(func_name);
-#else
    H5std_string full_name = func_name;
    full_name.insert(0, "::");
    full_name.insert(0, fromClass());
-#endif /*H5_VMS*/
    return (full_name);
 }
 
diff --git a/c++/test/tfile.cpp b/c++/test/tfile.cpp
index 7c2811e..78b3611 100644
--- a/c++/test/tfile.cpp
+++ b/c++/test/tfile.cpp
@@ -109,9 +109,7 @@ static void test_file_create()
 	file1 = new H5File (FILE1, H5F_ACC_EXCL);
 
 	// try to create the same file with H5F_ACC_TRUNC. This should fail
-	// because file1 is the same file and is currently open. Skip it on
-        // OpenVMS because it creates another version of the file.
-#ifndef H5_HAVE_FILE_VERSIONS
+	// because file1 is the same file and is currently open.
 	try {
 	    H5File file2 (FILE1, H5F_ACC_TRUNC);  // should throw E
 
@@ -120,7 +118,6 @@ static void test_file_create()
 	}
 	catch( FileIException E ) // catch truncating existing file
 	{} // do nothing, FAIL expected
-#endif /*H5_HAVE_FILE_VERSIONS*/
 
 	// Close file1
 	delete file1;
@@ -141,9 +138,7 @@ static void test_file_create()
 	file1 = new H5File (FILE1, H5F_ACC_TRUNC);
 
 	// Try to create first file again. This should fail because file1
-	// is the same file and is currently open. Skip it on OpenVMS because
-        // it creates another version of the file.
-#ifndef H5_HAVE_FILE_VERSIONS
+	// is the same file and is currently open.
     	try {
 	    H5File file2 (FILE1, H5F_ACC_TRUNC);   // should throw E
 
@@ -154,7 +149,7 @@ static void test_file_create()
 	{} // do nothing, FAIL expected
 
      	// Try with H5F_ACC_EXCL. This should fail too because the file already
-     	// exists. Skip it on OpenVMS because it creates another version of the file.
+     	// exists.
     	try {
 	    H5File file3 (FILE1, H5F_ACC_EXCL);  // should throw E
 
@@ -163,7 +158,6 @@ static void test_file_create()
     	}
 	catch( FileIException E ) // catching H5F_ACC_EXCL on existing file
 	{} // do nothing, FAIL expected
-#endif /*H5_HAVE_FILE_VERSIONS*/
 
     	// Get the file-creation template
 	FileCreatPropList tmpl1 = file1->getCreatePlist();
diff --git a/c++/test/tlinks.cpp b/c++/test/tlinks.cpp
index 291b649..33d10ea 100644
--- a/c++/test/tlinks.cpp
+++ b/c++/test/tlinks.cpp
@@ -58,60 +58,6 @@
 /* File for external link test.  Created with gen_udlinks.c */
 #define LINKED_FILE  "be_extlink2.h5"
 
-#ifdef H5_VMS
-#if 0
-const char *FILENAME[] = {
-    "links0",
-    "links1",
-    "links2",
-    "links3",
-    "links4a", /* 4 */
-    "links4b", /* 5 */
-    "links4c", /* 6 */
-    "links4d", /* 7 */
-    "links5",  /* 8 */
-    "links6",  /* 9 */
-    "links7",  /* 10 */
-    "links8",  /* 11 */
-    "extlinks0",	/* 12: main files */
-    "[.tmp]extlinks0",	/* 13: */
-    "extlinks1",	/* 14: target files */
-    "[.tmp]extlinks1",	/* 15: */
-    "extlinks2",	/* 16: */
-    "[.tmp]extlinks2",	/* 17: */
-    "extlinks3",	/* 18: */
-    "[.tmp]extlinks3",	/* 19: */
-    "extlinks4",	/* 20: */
-    "[.tmp]extlinks4",	/* 21: */
-    "extlinks5",	/* 22: */
-    "[.tmp]extlinks6",	/* 23: */
-    "extlinks7",	/* 24: */
-    "[.tmp]extlinks7",	/* 25: */
-    "[.tmp]extlinks8",	/* 26: */
-    "extlinks9",	/* 27: */
-    "[.tmp]extlinks9",	/* 28: */
-    "extlinks10",	/* 29: */ /* TESTS for windows */
-    "[.tmp]extlinks10",	/* 30: */
-    "[.tmp]extlinks11",	/* 31: */
-    "[.tmp]extlinks12",	/* 32: */
-    "extlinks13",	/* 33: */
-    "[.tmp]extlinks13",	/* 34: */
-    "[.tmp]extlinks14",	/* 35: */
-    "[.tmp]extlinks15",	/* 36: */
-    "extlinks16A",	/* 37: */ /* TESTS for H5P_set_elink_fapl */
-    "extlinks16B",	/* 38: */
-    "extlinks17",	/* 39: */
-    "extlinks18A",	/* 40: */
-    "extlinks18B",	/* 41: */
-    "extlinks19A",	/* 42: */
-    "extlinks19B",	/* 43: */
-    "extlinks20",	/* 44: */
-    NULL
-};
-#endif // 0
-
-#define TMPDIR          "[.tmp]"
-#else
 #if 0
 const char *FILENAME[] = {
     "links0",
@@ -165,7 +111,6 @@ const char *FILENAME[] = {
 #endif // 0
 
 #define TMPDIR          "tmp"
-#endif
 
 #define FAMILY_SIZE	1024
 #define CORE_INCREMENT  1024
@@ -574,16 +519,12 @@ void test_links()
 #ifndef H5_NO_DEPRECATED_SYMBOLS
         nerrors += test_deprec(my_fapl, new_format);
 #endif /* H5_NO_DEPRECATED_SYMBOLS */
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += external_link_root(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
         nerrors += external_link_path(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_mult(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += external_link_self(envval, my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_pingpong(envval, my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_toomany(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
         nerrors += external_link_dangling(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_recursive(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_query(my_fapl, new_format) < 0 ? 1 : 0;
@@ -591,9 +532,7 @@ void test_links()
         nerrors += external_link_unlink_dense(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_move(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += external_link_ride(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += external_link_closing(envval, my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
         nerrors += external_link_endian(new_format) < 0 ? 1 : 0;
         nerrors += external_link_strong(my_fapl, new_format) < 0 ? 1 : 0;
 
diff --git a/configure b/configure
index 27df0aa..85fb9e2 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.ac Id: configure.ac 27621 2015-08-30 09:59:29Z hdftest .
+# From configure.ac Id: configure.ac 27680 2015-09-04 18:07:32Z derobins .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69 for HDF5 1.8.16-snap15.
 #
diff --git a/fortran/src/H5f90proto.h b/fortran/src/H5f90proto.h
index 6bde877..4784440 100644
--- a/fortran/src/H5f90proto.h
+++ b/fortran/src/H5f90proto.h
@@ -22,9 +22,6 @@
 H5_FCDLL char * HD5f2cstring (_fcd fdesc, size_t len);
 H5_FCDLL void HD5packFstring(char *src, char *dest, size_t len);
 
-#ifdef H5_VMS
-#define H5_FC_FUNC_(name, NAME) NAME
-#endif /*H5_VMS*/
 
 /*
  * Storage info struct used by H5O_info_t and H5F_info_t 
diff --git a/src/H5.c b/src/H5.c
index b1ceb71..8826879 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -301,9 +301,8 @@ H5_term_library(void)
             pending += DOWN(Z);
             pending += DOWN(FD);
             pending += DOWN(P);
-#ifndef H5_VMS
             pending += DOWN(PL);
-#endif /*H5_VMS*/
+
             /* Don't shut down the error code until other APIs which use it are shut down */
             if(pending == 0)
                 pending += DOWN(E);
diff --git a/src/H5FDcore.c b/src/H5FDcore.c
index eb84959..bc288e4 100644
--- a/src/H5FDcore.c
+++ b/src/H5FDcore.c
@@ -65,11 +65,7 @@ typedef struct H5FD_core_t {
      * identify a file.
      */
     dev_t       device;                 /*file device number            */
-#ifdef H5_VMS
-    ino_t       inode[3];               /*file i-node number            */
-#else
     ino_t       inode;                  /*file i-node number            */
-#endif /*H5_VMS*/
 #else
     /* Files in windows are uniquely identified by the volume serial
      * number and the file index (both low and high parts).
@@ -734,14 +730,7 @@ H5FD_core_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr)
         file->dwVolumeSerialNumber = fileinfo.dwVolumeSerialNumber;
 #else /* H5_HAVE_WIN32_API */
         file->device = sb.st_dev;
-#ifdef H5_VMS
-        file->inode[0] = sb.st_ino[0];
-        file->inode[1] = sb.st_ino[1];
-        file->inode[2] = sb.st_ino[2];
-#else
         file->inode = sb.st_ino;
-#endif /* H5_VMS */
-
 #endif /* H5_HAVE_WIN32_API */
     } /* end if */
 
@@ -974,13 +963,8 @@ H5FD_core_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
         if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))>0) HGOTO_DONE(1)
 #endif /* H5_DEV_T_IS_SCALAR */
 
-#ifndef H5_VMS
         if (f1->inode < f2->inode) HGOTO_DONE(-1)
         if (f1->inode > f2->inode) HGOTO_DONE(1)
-#else
-        if(HDmemcmp(&(f1->inode),&(f2->inode),3*sizeof(ino_t))<0) HGOTO_DONE(-1)
-        if(HDmemcmp(&(f1->inode),&(f2->inode),3*sizeof(ino_t))>0) HGOTO_DONE(1)
-#endif /* H5_VMS */
 
 #endif /*H5_HAVE_WIN32_API*/
     } /* end if */
@@ -1515,12 +1499,6 @@ H5FD_core_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t closing)
                 if(0 == bError)
                     HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #else /* H5_HAVE_WIN32_API */
-#ifdef H5_VMS
-                /* Reset seek offset to the beginning of the file, so that the file isn't
-                 * re-extended later.  This may happen on Open VMS. */
-                if(-1 == HDlseek(file->fd, (HDoff_t)0, SEEK_SET))
-                    HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
-#endif /* H5_VMS */
                 if(-1 == HDftruncate(file->fd, (HDoff_t)new_eof))
                     HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #endif /* H5_HAVE_WIN32_API */
diff --git a/src/H5FDdirect.c b/src/H5FDdirect.c
index 5aacd62..5265a23 100644
--- a/src/H5FDdirect.c
+++ b/src/H5FDdirect.c
@@ -83,11 +83,7 @@ typedef struct H5FD_direct_t {
      * identify a file.
      */
     dev_t  device;      /*file device number    */
-#ifdef H5_VMS
-    ino_t  inode[3];    /*file i-node number    */
-#else
     ino_t  inode;      /*file i-node number    */
-#endif /*H5_VMS*/
 #else
     /*
      * On H5_HAVE_WIN32_API the low-order word of a unique identifier associated with the
@@ -519,13 +515,7 @@ H5FD_direct_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxadd
     file->fileindexlo = fileinfo.nFileIndexLow;
 #else
     file->device = sb.st_dev;
-#ifdef H5_VMS
-    file->inode[0] = sb.st_ino[0];
-    file->inode[1] = sb.st_ino[1];
-    file->inode[2] = sb.st_ino[2];
-#else
     file->inode = sb.st_ino;
-#endif /*H5_VMS*/
 #endif /*H5_HAVE_WIN32_API*/
     file->fa.mboundary = fa->mboundary;
     file->fa.fbsize = fa->fbsize;
@@ -667,13 +657,8 @@ H5FD_direct_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
     if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))>0) HGOTO_DONE(1)
 #endif /* H5_DEV_T_IS_SCALAR */
 
-#ifndef H5_VMS
     if (f1->inode < f2->inode) HGOTO_DONE(-1)
     if (f1->inode > f2->inode) HGOTO_DONE(1)
-#else
-    if(HDmemcmp(&(f1->inode),&(f2->inode),3*sizeof(ino_t))<0) HGOTO_DONE(-1)
-    if(HDmemcmp(&(f1->inode),&(f2->inode),3*sizeof(ino_t))>0) HGOTO_DONE(1)
-#endif /*H5_VMS*/
 
 #endif
 
diff --git a/src/H5FDlog.c b/src/H5FDlog.c
index 72bdfbb..c42e124 100644
--- a/src/H5FDlog.c
+++ b/src/H5FDlog.c
@@ -92,11 +92,7 @@ typedef struct H5FD_log_t {
      * Windows code further below.
      */
     dev_t           device;         /* file device number   */
-#ifdef H5_VMS
-    ino_t           inode[3];       /* file i-node number   */
-#else
     ino_t           inode;          /* file i-node number   */
-#endif /*H5_VMS*/
 #else
     /* Files in windows are uniquely identified by the volume serial
      * number and the file index (both low and high parts).
@@ -580,14 +576,7 @@ H5FD_log_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr)
     file->dwVolumeSerialNumber = fileinfo.dwVolumeSerialNumber;
 #else /* H5_HAVE_WIN32_API */
     file->device = sb.st_dev;
-#ifdef H5_VMS
-    file->inode[0] = sb.st_ino[0];
-    file->inode[1] = sb.st_ino[1];
-    file->inode[2] = sb.st_ino[2];
-#else
     file->inode = sb.st_ino;
-#endif /*H5_VMS*/
-
 #endif /* H5_HAVE_WIN32_API */
 
     /* Retain a copy of the name used to open the file, for possible error reporting */
@@ -850,13 +839,8 @@ H5FD_log_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
     if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t)) > 0) HGOTO_DONE(1)
 #endif /* H5_DEV_T_IS_SCALAR */
 
-#ifndef H5_VMS
     if(f1->inode < f2->inode) HGOTO_DONE(-1)
     if(f1->inode > f2->inode) HGOTO_DONE(1)
-#else
-    if(HDmemcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) < 0) HGOTO_DONE(-1)
-    if(HDmemcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) > 0) HGOTO_DONE(1)
-#endif /*H5_VMS*/
 
 #endif
 
@@ -1536,13 +1520,6 @@ H5FD_log_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t H5_ATTR_U
         if(0 == bError)
             HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #else /* H5_HAVE_WIN32_API */
-#ifdef H5_VMS
-        /* Reset seek offset to the beginning of the file, so that the file isn't
-         * re-extended later.  This may happen on Open VMS. */
-        if(-1 == HDlseek(file->fd, (HDoff_t)0, SEEK_SET))
-            HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
-#endif
-
         if(-1 == HDftruncate(file->fd, (HDoff_t)file->eoa))
             HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #endif /* H5_HAVE_WIN32_API */
@@ -1562,3 +1539,4 @@ H5FD_log_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t H5_ATTR_U
 done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5FD_log_truncate() */
+
diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c
index 03b3449..e513381 100644
--- a/src/H5FDsec2.c
+++ b/src/H5FDsec2.c
@@ -69,11 +69,7 @@ typedef struct H5FD_sec2_t {
      * Windows code further below.
      */
     dev_t           device;     /* file device number   */
-#ifdef H5_VMS
-    ino_t           inode[3];   /* file i-node number   */
-#else
     ino_t           inode;      /* file i-node number   */
-#endif /* H5_VMS */
 #else
     /* Files in windows are uniquely identified by the volume serial
      * number and the file index (both low and high parts).
@@ -367,13 +363,7 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr)
     file->dwVolumeSerialNumber = fileinfo.dwVolumeSerialNumber;
 #else /* H5_HAVE_WIN32_API */
     file->device = sb.st_dev;
-#ifdef H5_VMS
-    file->inode[0] = sb.st_ino[0];
-    file->inode[1] = sb.st_ino[1];
-    file->inode[2] = sb.st_ino[2];
-#else /* H5_VMS */
     file->inode = sb.st_ino;
-#endif /* H5_VMS */
 #endif /* H5_HAVE_WIN32_API */
 
     /* Retain a copy of the name used to open the file, for possible error reporting */
@@ -494,13 +484,8 @@ H5FD_sec2_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
     if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t)) < 0) HGOTO_DONE(-1)
     if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t)) > 0) HGOTO_DONE(1)
 #endif /* H5_DEV_T_IS_SCALAR */
-#ifdef H5_VMS
-    if(HDmemcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) < 0) HGOTO_DONE(-1)
-    if(HDmemcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) > 0) HGOTO_DONE(1)
-#else /* H5_VMS */
     if(f1->inode < f2->inode) HGOTO_DONE(-1)
     if(f1->inode > f2->inode) HGOTO_DONE(1)
-#endif /* H5_VMS */
 #endif /* H5_HAVE_WIN32_API */
 
 done:
@@ -894,12 +879,6 @@ H5FD_sec2_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t H5_ATTR_
         if(0 == bError)
             HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #else /* H5_HAVE_WIN32_API */
-#ifdef H5_VMS
-        /* Reset seek offset to the beginning of the file, so that the file isn't
-         * re-extended later.  This may happen on Open VMS. */
-        if(-1 == HDlseek(file->fd, (HDoff_t)0, SEEK_SET))
-            HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
-#endif
         if(-1 == HDftruncate(file->fd, (HDoff_t)file->eoa))
             HSYS_GOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly")
 #endif /* H5_HAVE_WIN32_API */
@@ -915,3 +894,4 @@ H5FD_sec2_truncate(H5FD_t *_file, hid_t H5_ATTR_UNUSED dxpl_id, hbool_t H5_ATTR_
 done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5FD_sec2_truncate() */
+
diff --git a/src/H5FDstdio.c b/src/H5FDstdio.c
index e3e7f65..d63e5f1 100644
--- a/src/H5FDstdio.c
+++ b/src/H5FDstdio.c
@@ -97,11 +97,7 @@ typedef struct H5FD_stdio_t {
      * Windows code further below.
      */
     dev_t           device;     /* file device number   */
-#ifdef H5_VMS
-    ino_t           inode[3];   /* file i-node number   */
-#else
     ino_t           inode;      /* file i-node number   */
-#endif /* H5_VMS */
 #else
     /* Files in windows are uniquely identified by the volume serial
      * number and the file index (both low and high parts).
@@ -448,13 +444,7 @@ H5FD_stdio_open( const char *name, unsigned flags, hid_t fapl_id,
         H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_BADFILE, "unable to fstat file", NULL)
     } /* end if */
     file->device = sb.st_dev;
-#ifdef H5_VMS
-    file->inode[0] = sb.st_ino[0];
-    file->inode[1] = sb.st_ino[1];
-    file->inode[2] = sb.st_ino[2];
-#else /* H5_VMS */
     file->inode = sb.st_ino;
-#endif /* H5_VMS */
 #endif /* H5_HAVE_WIN32_API */
 
     return (H5FD_t*)file;
@@ -540,13 +530,8 @@ H5FD_stdio_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
     if(memcmp(&(f1->device),&(f2->device),sizeof(dev_t)) < 0) return -1;
     if(memcmp(&(f1->device),&(f2->device),sizeof(dev_t)) > 0) return 1;
 #endif /* H5_DEV_T_IS_SCALAR */
-#ifdef H5_VMS
-    if(memcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) < 0) return -1;
-    if(memcmp(&(f1->inode), &(f2->inode), 3 * sizeof(ino_t)) > 0) return 1;
-#else /* H5_VMS */
     if(f1->inode < f2->inode) return -1;
     if(f1->inode > f2->inode) return 1;
-#endif /* H5_VMS */
 #endif /* H5_HAVE_WIN32_API */
 
     return 0;
diff --git a/src/H5Lexternal.c b/src/H5Lexternal.c
index b03a0ed..6269ae7 100644
--- a/src/H5Lexternal.c
+++ b/src/H5Lexternal.c
@@ -125,8 +125,6 @@ H5L_getenv_prefix_name(char **env_prefix/*in,out*/)
  *
  * Programmer:	Vailin Choi, April 2, 2008
  *
- * Modification: Raymond Lu, 14 Jan. 2009
- *           Added support for OpenVMS pathname
 --------------------------------------------------------------------------*/
 static herr_t
 H5L_build_name(char *prefix, char *file_name, char **full_name/*out*/)
diff --git a/src/H5Pocpl.c b/src/H5Pocpl.c
index 927c1e8..74b0bc7 100644
--- a/src/H5Pocpl.c
+++ b/src/H5Pocpl.c
@@ -811,16 +811,12 @@ H5P__set_filter(H5P_genplist_t *plist, H5Z_filter_t filter, unsigned int flags,
 
     /* If filter is not available, try to dynamically load it */
     if(!filter_avail) {
-#ifndef H5_VMS
         const H5Z_class2_t *filter_info;
 
         if(NULL == (filter_info = (const H5Z_class2_t *)H5PL_load(H5PL_TYPE_FILTER, (int)filter)))
             HGOTO_ERROR(H5E_PLINE, H5E_CANTLOAD, FAIL, "failed to load dynamically loaded plugin")
         if(H5Z_register(filter_info) < 0)
 	    HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to register dynamic filter")
-#else /*H5_VMS*/
-        HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "filter is NOT registered")
-#endif /*H5_VMS*/
     } /* end if */
 
     /* Get the pipeline property to append to */
diff --git a/src/H5Tconv.c b/src/H5Tconv.c
index a66ec0c..e87b1ff 100644
--- a/src/H5Tconv.c
+++ b/src/H5Tconv.c
@@ -4220,7 +4220,11 @@ H5T__conv_f_f(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
                         HGOTO_ERROR(H5E_DATATYPE, H5E_CANTCONVERT, FAIL, "can't handle conversion exception")
 
                     goto padding;
-#ifndef H5_VMS  /*Temporary solution to handle VAX special values*/
+                /* Temporary solution to handle VAX special values.
+                 * Note that even though we don't support VAX anymore, we
+                 * still need to handle legacy VAX files so this code must
+                 * remain in place.
+                 */
                 } else if (H5T__bit_find (s, src.u.f.epos, src.u.f.esize,
                                          H5T_BIT_LSB, FALSE)<0) {
                     /* NaN */
@@ -4245,7 +4249,6 @@ H5T__conv_f_f(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts,
                         HGOTO_ERROR(H5E_DATATYPE, H5E_CANTCONVERT, FAIL, "can't handle conversion exception")
 
                     goto padding;
-#endif /*H5_VMS*/
                 }
 
                 /*
diff --git a/src/H5Z.c b/src/H5Z.c
index 233ea38..8d85c81 100644
--- a/src/H5Z.c
+++ b/src/H5Z.c
@@ -1323,7 +1323,6 @@ H5Z_pipeline(const H5O_pline_t *pline, unsigned flags,
              */
 	    if((fclass_idx = H5Z_find_idx(pline->filter[idx].id)) < 0) {
                 hbool_t issue_error = FALSE;
-#ifndef H5_VMS
 
                     const H5Z_class2_t    *filter_info;
 
@@ -1339,9 +1338,7 @@ H5Z_pipeline(const H5O_pline_t *pline, unsigned flags,
                     } /* end if */
                     else
                         issue_error = TRUE;
-#else /*H5_VMS*/
-                issue_error = TRUE;
-#endif /*H5_VMS*/
+
                 /* Check for error */
                 if(issue_error) {
                     /* Print out the filter name to give more info.  But the name is optional for 
diff --git a/src/H5private.h b/src/H5private.h
index 15bb61c..f554476 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -1125,22 +1125,9 @@ H5_DLL int HDfprintf (FILE *stream, const char *fmt, ...);
 #ifndef HDrealpath
     #define HDrealpath(F1,F2)    realpath(F1,F2)
 #endif /* HDrealloc */
-#ifdef H5_VMS
-    #ifdef __cplusplus
-        extern "C" {
-    #endif /* __cplusplus */
-    int HDremove_all(const char * fname);
-    #ifdef __cplusplus
-        }
-    #endif /* __cplusplus */
-    #ifndef HDremove
-        #define HDremove(S)     HDremove_all(S)
-    #endif /* HDremove */
-#else /* H5_VMS */
-    #ifndef HDremove
-        #define HDremove(S)    remove(S)
-    #endif /* HDremove */
-#endif /*H5_VMS*/
+#ifndef HDremove
+    #define HDremove(S)    remove(S)
+#endif /* HDremove */
 #ifndef HDrename
     #define HDrename(OLD,NEW)  rename(OLD,NEW)
 #endif /* HDrename */
@@ -1557,19 +1544,7 @@ extern char *strdup(const char *s);
         (ptr = slash);                                  \
 }
 
-#elif defined(H5_HAVE_VMS_PATH)
-
-/* OpenVMS pathname: <disk name>$<partition>:[path]<file name>
- *     i.g. SYS$SYSUSERS:[LU.HDF5.SRC]H5system.c */
-#define H5_DIR_SEPC                     ']'
-#define H5_DIR_SEPS                     "]"
-#define H5_CHECK_DELIMITER(SS)             (SS == H5_DIR_SEPC)
-#define H5_CHECK_ABSOLUTE(NAME)            (HDstrrchr(NAME, ':') && HDstrrchr(NAME, '['))
-#define H5_CHECK_ABS_DRIVE(NAME)           (0)
-#define H5_CHECK_ABS_PATH(NAME)            (0)
-#define H5_GET_LAST_DELIMITER(NAME, ptr)   ptr = HDstrrchr(NAME, H5_DIR_SEPC);
-
-#else
+#else /* H5_HAVE_WINDOW_PATH */
 
 #define H5_DIR_SEPC             '/'
 #define H5_DIR_SEPS             "/"
@@ -1579,7 +1554,7 @@ extern char *strdup(const char *s);
 #define H5_CHECK_ABS_PATH(NAME)    (0)
 #define H5_GET_LAST_DELIMITER(NAME, ptr)   ptr = HDstrrchr(NAME, H5_DIR_SEPC);
 
-#endif
+#endif /* H5_HAVE_WINDOW_PATH */
 
 #define   H5_COLON_SEPC  ':'
 
diff --git a/src/H5system.c b/src/H5system.c
index 437a004..5c8027d 100644
--- a/src/H5system.c
+++ b/src/H5system.c
@@ -582,45 +582,8 @@ void HDsrand(unsigned int seed)
 {
     g_seed = seed;
 }
-#endif
+#endif /* H5_HAVE_RAND_R */
 
-
-/*-------------------------------------------------------------------------
- * Function:  HDremove_all
- *
- * Purpose:  Wrapper function for remove on VMS systems
- *
- *     This function deletes all versions of a file
- *
- * Return:  Success:        0;
- *
- *    Failure:  -1
- *
- * Programmer:  Elena Pourmal
- *              March 22, 2006
- *
- *-------------------------------------------------------------------------
- */
-#ifdef H5_VMS
-int
-HDremove_all(const char *fname)
-{
-    int ret_value = -1;
-    size_t fname_len;
-    char *_fname;
-
-    fname_len = HDstrlen(fname) + 3;    /* to accomodate ";*" and null terminator */
-    _fname = (char *)H5MM_malloc(fname_len);
-    if(_fname) {
-        HDsnprintf(_fname, fname_len, "%s;*", fname);
-        /* Do not use HDremove; function becomes recursive (see H5private.h file)*/
-        remove(_fname);
-        H5MM_xfree(_fname);
-        ret_value = 0;
-    }
-    return ret_value;
-}
-#endif
 
 /*-------------------------------------------------------------------------
  * Function:  Wgettimeofday
@@ -764,8 +727,6 @@ H5_build_extpath(const char *name, char **extpath/*out*/)
     /*
      * Unix: name[0] is a "/"
      * Windows: name[0-2] is "<drive letter>:\" or "<drive-letter>:/"
-     * OpenVMS: <disk name>$<partition>:[path]<file name>
-     *     i.g. SYS$SYSUSERS:[LU.HDF5.SRC]H5system.c
      */
     if(H5_CHECK_ABSOLUTE(name)) {
         if(NULL == (full_path = (char *)H5MM_strdup(name)))
@@ -786,7 +747,6 @@ H5_build_extpath(const char *name, char **extpath/*out*/)
          * Windows: name[0-1] is "<drive-letter>:"
          *   Get current working directory on the drive specified in NAME
          * Unix: does not apply
-         * OpenVMS: does not apply
          */
         if(H5_CHECK_ABS_DRIVE(name)) {
             drive = name[0] - 'A' + 1;
@@ -797,14 +757,13 @@ H5_build_extpath(const char *name, char **extpath/*out*/)
         * Windows: name[0] is a '/' or '\'
         *  Get current drive
         * Unix: does not apply
-        * OpenVMS: does not apply
         */
         else if(H5_CHECK_ABS_PATH(name) && (0 != (drive = HDgetdrive()))) {
             HDsnprintf(cwdpath, MAX_PATH_LEN, "%c:%c", (drive + 'A' - 1), name[0]);
             retcwd = cwdpath;
             HDstrncpy(new_name, &name[1], name_len);
         }
-        /* totally relative for Unix, Windows, and OpenVMS: get current working directory  */
+        /* totally relative for Unix and Windows: get current working directory  */
         else {
             retcwd = HDgetcwd(cwdpath, MAX_PATH_LEN);
             HDstrncpy(new_name, name, name_len);
@@ -823,26 +782,9 @@ H5_build_extpath(const char *name, char **extpath/*out*/)
                 HGOTO_ERROR(H5E_INTERNAL, H5E_NOSPACE, FAIL, "memory allocation failed")
 
             HDstrncpy(full_path, cwdpath, cwdlen + 1);
-#ifdef H5_VMS
-            /* If the file name contains relative path, cut off the beginning bracket.  Also cut off the
-             * ending bracket of CWDPATH to combine the full path name. i.g.
-             *     cwdpath = SYS$SYSUSERS:[LU.HDF5.TEST]
-             *     new_name = [.tmp]extlinks.h5
-             *     full_path = SYS$SYSUSERS:[LU.HDF5.TEST.tmp]extlinks.h5
-             */
-            if(new_name[0] == '[') {
-                char *tmp = new_name;
-
-                full_path[cwdlen - 1] = '\0';
-                HDstrncat(full_path, ++tmp, HDstrlen(tmp));
-            } /* end if */
-            else
-                HDstrncat(full_path, new_name, HDstrlen(new_name));
-#else
             if(!H5_CHECK_DELIMITER(cwdpath[cwdlen - 1]))
                 HDstrncat(full_path, H5_DIR_SEPS, HDstrlen(H5_DIR_SEPS));
             HDstrncat(full_path, new_name, HDstrlen(new_name));
-#endif
         } /* end if */
     } /* end else */
 
diff --git a/test/H5srcdir.h b/test/H5srcdir.h
index 4f0f439..81624d8 100644
--- a/test/H5srcdir.h
+++ b/test/H5srcdir.h
@@ -32,11 +32,7 @@ static char srcdir_path[1024] = "";
 static char srcdir_testpath[1024] = "";
 
 /* Append the test file name to the srcdir path and return the whole string */
-#ifdef H5_VMS
-static const char *H5_get_srcdir_filename(char *filename)
-#else
 static const char *H5_get_srcdir_filename(const char *filename)
-#endif
 {
     const char *srcdir = HDgetenv("srcdir");
 
@@ -46,19 +42,7 @@ static const char *H5_get_srcdir_filename(const char *filename)
 
     /* Build path to test file */
     if((HDstrlen(srcdir) + HDstrlen(filename) + 2) < sizeof(srcdir_testpath)) {
-#ifdef H5_VMS
-        HDstrcpy(srcdir_testpath, srcdir);
-        if(filename[0] == '[') {
-            char *tmp = filename;
-
-            srcdir_testpath[HDstrlen(srcdir) - 1] = '\0';
-            HDstrcat(srcdir_testpath, ++tmp);
-        } /* end if */
-        else
-            HDstrcat(srcdir_testpath, filename);
-#else
         HDsnprintf(srcdir_testpath, sizeof(srcdir_testpath), "%s/%s", srcdir, filename);
-#endif
         return(srcdir_testpath);
     } /* end if */
     else
diff --git a/test/dt_arith.c b/test/dt_arith.c
index 75093b0..23d9958 100644
--- a/test/dt_arith.c
+++ b/test/dt_arith.c
@@ -58,10 +58,9 @@ const char *FILENAME[] = {
 };
 
 /*
- * Count up or down depending on whether the machine is big endian, little
- * endian, or VAX (OpenVMS).  If local variable `endian' is H5T_ORDER_BE then
- * the result will be I, otherwise the result will be Z-(I+1).  VAX is printed
- * as little endian.
+ * Count up or down depending on whether the machine is big endian or little
+ * endian.  If local variable `endian' is H5T_ORDER_BE then the result will
+ * be I, otherwise the result will be Z-(I+1).
  */
 #define ENDIAN(Z,I,E)	(H5T_ORDER_BE==E?(I):(Z)-((I)+1))
 
@@ -88,11 +87,6 @@ static int skip_overflow_tests_g = 0;
 #define HANDLE_SIGFPE
 #endif
 
-/* OpenVMS doesn't have this feature.  Make sure to disable it*/
-#ifdef H5_VMS
-#undef HANDLE_SIGFPE
-#endif
-
 /*
  * Decide what values of floating-point number we want to test.  They are
  * 1 - normalized; 2 - denormalized; 3 - special.
@@ -630,12 +624,7 @@ test_hard_query(void)
         H5_FAILED();
         printf("Can't query conversion function\n");
         goto error;
-    }
-
-
-#ifndef H5_VMS
-    /* Disable this test because the soft conversion functions (H5T__conv_i_f and H5T__conv_f_i) on
-       OpenVMS and are disabled - SLU 2013/8/26 */
+    } /* end if */
 
     /* Unregister the hard conversion from int to float.  Verify the conversion
      * is a soft conversion. */
@@ -644,8 +633,7 @@ test_hard_query(void)
         H5_FAILED();
         printf("Can't query conversion function\n");
         goto error;
-    }
-#endif
+    } /* end if */
 
     /* Register the hard conversion from int to float.  Verify the conversion
      * is a hard conversion. */
@@ -654,7 +642,7 @@ test_hard_query(void)
         H5_FAILED();
         printf("Can't query conversion function\n");
         goto error;
-    }
+    } /* end if */
 
     PASSED();
     reset_hdf5();
@@ -664,7 +652,7 @@ test_hard_query(void)
  error:
     reset_hdf5();
     return 1;
-}
+} /*  end test_hard_query() */
 
 
 /*-------------------------------------------------------------------------
@@ -2746,24 +2734,6 @@ my_isnan(dtype_t type, void *val)
 	    retval = 1;
     }
 
-#ifdef H5_VMS
-    /* For "float" and "double" on OpenVMS/Alpha, NaN is
-     * actually a valid value of maximal value.*/
-    if(!retval) {
-	if (FLT_FLOAT==type) {
-	    float x;
-	    HDmemcpy(&x, val, sizeof(float));
-            retval = (x==FLT_MAX || x==-FLT_MAX);
-	} else if (FLT_DOUBLE==type) {
- 	    double x;
-	    HDmemcpy(&x, val, sizeof(double));
-            retval = (x==DBL_MAX || x==-DBL_MAX);
-	} else {
-	    return 0;
-	}
-    }
-#endif /*H5_VMS*/
-
     return retval;
 }
 
@@ -2792,23 +2762,8 @@ my_isinf(int endian, unsigned char *val, size_t size,
 
     bits = (unsigned char*)HDcalloc((size_t)1, size);
 
-#ifdef H5_VMS
-    if(H5T_ORDER_VAX==endian) {
-        for (i = 0; i < size; i += 4) {
-            bits[i] = val[(size-2)-i];
-            bits[i+1] = val[(size-1)-i];
-
-            bits[(size-2)-i] = val[i];
-            bits[(size-1)-i] = val[i+1];
-        }
-    } else {
-        for (i=0; i<size; i++)
-            bits[size-(i+1)] = *(val + ENDIAN(size,i,endian));
-    }
-#else /*H5_VMS*/
     for (i=0; i<size; i++)
         bits[size-(i+1)] = *(val + ENDIAN(size, i, endian));
-#endif /*H5_VMS*/
 
     if(H5T__bit_find(bits, mpos, msize, H5T_BIT_LSB, 1) < 0 &&
             H5T__bit_find(bits, epos, esize, H5T_BIT_LSB, 0) < 0)
@@ -2866,9 +2821,6 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
     unsigned char	*hw=NULL;		/*ptr to hardware-conv'd*/
     int			underflow;		/*underflow occurred	*/
     int			overflow;		/*overflow occurred	*/
-#ifdef H5_VMS
-    int			maximal;		/*maximal value occurred, for VMS only.	*/
-#endif /* H5_VMS */
     int 		uflow=0;		/*underflow debug counters*/
     size_t		j, k;			/*counters		*/
     int			sendian;		/* source type endianess */
@@ -2919,9 +2871,7 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
      * The remainder of this function is executed only by the child if
      * HANDLE_SIGFPE is defined.
      */
-#ifndef H5_VMS
     HDsignal(SIGFPE,fpe_handler);
-#endif
 
     /* What are the names of the source and destination types */
     if (H5Tequal(src, H5T_NATIVE_FLOAT)) {
@@ -3019,47 +2969,19 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
     switch (run_test) {
         case TEST_NOOP:
         case TEST_NORMAL:
-#ifdef H5_VMS
             if(src_type == FLT_FLOAT) {
                 INIT_FP_NORM(float, FLT_MAX, FLT_MIN, FLT_MAX_10_EXP, FLT_MIN_10_EXP,
                         src_size, dst_size, buf, saved, nelmts);
-            } else if(src_type == FLT_DOUBLE && dst_type == FLT_FLOAT) {
-                /*Temporary solution for VMS.  Cap double values between maximal and minimal
-                 *destination values because VMS return exception when overflows or underflows.
-                 *Same below.*/
-                INIT_FP_NORM(double, FLT_MAX, FLT_MIN, FLT_MAX_10_EXP, FLT_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
             } else if(src_type == FLT_DOUBLE) {
                 INIT_FP_NORM(double, DBL_MAX, DBL_MIN, DBL_MAX_10_EXP, DBL_MIN_10_EXP,
                         src_size, dst_size, buf, saved, nelmts);
 #if H5_SIZEOF_LONG_DOUBLE!=H5_SIZEOF_DOUBLE && H5_SIZEOF_LONG_DOUBLE!=0
-            } else if(src_type == FLT_LDOUBLE && dst_type == FLT_FLOAT) {
-                INIT_FP_NORM(long double, FLT_MAX, FLT_MIN, FLT_MAX_10_EXP, FLT_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
-            } else if(src_type == FLT_LDOUBLE && dst_type == FLT_DOUBLE) {
-                INIT_FP_NORM(long double, DBL_MAX, DBL_MIN, DBL_MAX_10_EXP, DBL_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
             } else if(src_type == FLT_LDOUBLE) {
                 INIT_FP_NORM(long double, LDBL_MAX, LDBL_MIN, LDBL_MAX_10_EXP, LDBL_MIN_10_EXP,
                         src_size, dst_size, buf, saved, nelmts);
 #endif
             } else
                 goto error;
-#else /*H5_VMS*/
-            if(src_type == FLT_FLOAT) {
-                INIT_FP_NORM(float, FLT_MAX, FLT_MIN, FLT_MAX_10_EXP, FLT_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
-            } else if(src_type == FLT_DOUBLE) {
-                INIT_FP_NORM(double, DBL_MAX, DBL_MIN, DBL_MAX_10_EXP, DBL_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
-#if H5_SIZEOF_LONG_DOUBLE!=H5_SIZEOF_DOUBLE && H5_SIZEOF_LONG_DOUBLE!=0
-            } else if(src_type == FLT_LDOUBLE) {
-                INIT_FP_NORM(long double, LDBL_MAX, LDBL_MIN, LDBL_MAX_10_EXP, LDBL_MIN_10_EXP,
-                        src_size, dst_size, buf, saved, nelmts);
-#endif
-            } else
-                goto error;
-#endif /*H5_VMS*/
 
             break;
         case TEST_DENORM:
@@ -3135,9 +3057,6 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
                 hw = (unsigned char*)&hw_f;
                 underflow = HDfabs(*((double*)aligned)) < FLT_MIN;
                 overflow = HDfabs(*((double*)aligned)) > FLT_MAX;
-#ifdef H5_VMS
-                maximal = HDfabs(*((double*)aligned)) == FLT_MAX;
-#endif
             } else if (FLT_DOUBLE==dst_type) {
                 hw_d = *((double*)aligned);
                 hw = (unsigned char*)&hw_d;
@@ -3155,17 +3074,11 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
                 hw = (unsigned char*)&hw_f;
                 underflow = HDfabsl(*((long double*)aligned)) < FLT_MIN;
                 overflow = HDfabsl(*((long double*)aligned)) > FLT_MAX;
-#ifdef H5_VMS
-                maximal = HDfabs(*((long double*)aligned)) == FLT_MAX;
-#endif
             } else if (FLT_DOUBLE==dst_type) {
                 hw_d = *((long double*)aligned);
                 hw = (unsigned char*)&hw_d;
                 underflow = HDfabsl(*((long double*)aligned)) < DBL_MIN;
                 overflow = HDfabsl(*((long double*)aligned)) > DBL_MAX;
-#ifdef H5_VMS
-                maximal = HDfabs(*((long double*)aligned)) == DBL_MAX;
-#endif
             } else {
                 hw_ld = *((long double*)aligned);
                 hw = (unsigned char*)&hw_ld;
@@ -3200,17 +3113,6 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
         if (k==dst_size)
             continue; /*no error*/
 
-#ifdef H5_VMS
-        /* For "float" and "double" on OpenVMS/Alpha, NaN is
-         * a valid value of maximal value.*/
-        if (FLT_FLOAT==src_type &&
-                my_isnan(src_type, saved+j*sizeof(float))) {
-            continue;
-        } else if (FLT_DOUBLE==src_type &&
-                my_isnan(src_type, saved+j*sizeof(double))) {
-            continue;
-        }
-#endif /*H5_VMS*/
 
         /*
          * Assume same if both results are NaN.  There are many NaN bit
@@ -3268,11 +3170,6 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
                 if (overflow && my_isinf(dendian, buf+j*sizeof(float),
                         dst_size, dst_mpos, dst_msize, dst_epos, dst_esize))
                     continue;	/* all overflowed, no error */
-#ifdef H5_VMS
-                if (maximal && my_isinf(dendian, buf+j*sizeof(float),
-                        dst_size, dst_mpos, dst_msize, dst_epos, dst_esize))
-                    continue;	/* maximal value, no error */
-#endif /*H5_VMS*/
                 check_mant[0] = HDfrexpf(x, check_expo+0);
                 check_mant[1] = HDfrexpf(hw_f, check_expo+1);
             } else if (FLT_DOUBLE==dst_type) {
@@ -3284,11 +3181,6 @@ test_conv_flt_1 (const char *name, int run_test, hid_t src, hid_t dst)
                 if (overflow && my_isinf(dendian, buf+j*sizeof(double),
                         dst_size, dst_mpos, dst_msize, dst_epos, dst_esize))
                     continue;	/* all overflowed, no error */
-#ifdef H5_VMS
-                if (maximal && my_isinf(dendian, buf+j*sizeof(double),
-                        dst_size, dst_mpos, dst_msize, dst_epos, dst_esize))
-                    continue;	/* maximal value, no error */
-#endif /*H5_VMS*/
                 check_mant[0] = HDfrexp(x, check_expo+0);
                 check_mant[1] = HDfrexp(hw_d, check_expo+1);
 #if H5_SIZEOF_LONG_DOUBLE !=0 && (H5_SIZEOF_LONG_DOUBLE!=H5_SIZEOF_DOUBLE)
@@ -4495,27 +4387,6 @@ test_conv_int_fp(const char *name, int run_test, hid_t src, hid_t dst)
         }
 #endif /*end H5_FP_TO_ULLONG_BOTTOM_BIT_WORKS*/
 
-
-#ifdef H5_VMS
-        /* OpenVMS converts the value of zero in char or short to negative zero in 
-         * long double.  Make it warning instead of failure. SLU - 2013/9/10
-         */
-	if(dst_type == FLT_LDOUBLE) {
-            long double *ld= buf + j*dst_size;
-	    if(src_type == INT_SCHAR) {
-                char *c = saved + j*src_size;
-                if(*c == 0 && *ld == -0)
-		    H5_WARNING();
-                    goto printing;
-            } else if(src_type == INT_SHORT) {
-                short *s = saved + j*src_size;
-                if(*s == 0 && *ld == -0)
-		    H5_WARNING();
-                    goto printing;
-            }
-        }
-#endif /*H5_VMS*/
-
         /* Print errors */
         if (0==fails_this_test++) {
             if(run_test==TEST_NORMAL) {
@@ -5049,7 +4920,6 @@ run_fp_tests(const char *name)
     nerrors += test_conv_flt_1(name, TEST_NORMAL, H5T_NATIVE_LDOUBLE, H5T_NATIVE_DOUBLE);
 #endif
 
-#ifndef H5_VMS
     /*Test denormalized values.  TEST_DENORM indicates denormalized values.*/
     nerrors += test_conv_flt_1(name, TEST_DENORM, H5T_NATIVE_FLOAT, H5T_NATIVE_DOUBLE);
     nerrors += test_conv_flt_1(name, TEST_DENORM, H5T_NATIVE_DOUBLE, H5T_NATIVE_FLOAT);
@@ -5069,7 +4939,6 @@ run_fp_tests(const char *name)
     nerrors += test_conv_flt_1(name, TEST_SPECIAL, H5T_NATIVE_LDOUBLE, H5T_NATIVE_FLOAT);
     nerrors += test_conv_flt_1(name, TEST_SPECIAL, H5T_NATIVE_LDOUBLE, H5T_NATIVE_DOUBLE);
 #endif
-#endif /*H5_VMS*/
 
 done:
     return nerrors;
@@ -5211,11 +5080,7 @@ run_fp_int_conv(const char *name)
 #ifdef H5_FP_TO_INTEGER_OVERFLOW_WORKS
     int         test_values;
 
-#ifdef H5_VMS
-    test_values = TEST_NORMAL;
-#else
     for(test_values = TEST_NORMAL; test_values <= TEST_SPECIAL; test_values++) {
-#endif /*H5_VMS*/
 
         nerrors += test_conv_int_fp(name, test_values, H5T_NATIVE_FLOAT, H5T_NATIVE_SCHAR);
         nerrors += test_conv_int_fp(name, test_values, H5T_NATIVE_DOUBLE, H5T_NATIVE_SCHAR);
@@ -5324,9 +5189,7 @@ run_fp_int_conv(const char *name)
 #endif /*H5_LDOUBLE_TO_LLONG_ACCURATE*/
 #endif
 #endif
-#ifndef H5_VMS
     } /* end for */
-#endif /* H5_VMS */
 #else /* H5_FP_TO_INTEGER_OVERFLOW_WORKS */
 /* For Cray X1, the compiler generates floating exception when the
  * conversion overflows.  So disable all of the conversions from
@@ -5387,23 +5250,16 @@ main(void)
     /* Test H5Tcompiler_conv() for querying hard conversion. */
     nerrors += test_hard_query();
 
-#ifndef H5_VMS
-    /* Disable this test because the soft conversion functions (H5T__conv_i_f and H5T__conv_f_i) on
-       OpenVMS and are disabled - SLU 2013/8/26 */
-
     /* Test user-define, query functions and software conversion
      * for user-defined floating-point types */
     nerrors += test_derived_flt();
-#endif
 
     /* Test user-define, query functions and software conversion
      * for user-defined integer types */
     nerrors += test_derived_integer();
 
-#ifndef H5_VMS
     /* Does floating point overflow generate a SIGFPE? */
     generates_sigfpe();
-#endif
 
     /* Test degenerate cases */
     nerrors += run_fp_tests("noop");
@@ -5437,16 +5293,11 @@ main(void)
     nerrors += test_conv_int_2();
     nerrors += run_integer_tests("soft");
 
-#ifndef H5_VMS
-    /* Disable these tests because the soft conversion functions (H5T__conv_i_f and H5T__conv_f_i) on
-       OpenVMS and are disabled - SLU 2013/8/26 */
-
     /* Test software float-integer conversion functions */
     nerrors += run_fp_int_conv("soft");
 
     /* Test software integer-float conversion functions */
     nerrors += run_int_fp_conv("soft");
-#endif
 
     reset_hdf5();
 
@@ -5458,3 +5309,4 @@ main(void)
     printf("All data type tests passed.\n");
     return 0;
 }
+
diff --git a/test/dtypes.c b/test/dtypes.c
index 0e9edad..7c2ad7b 100644
--- a/test/dtypes.c
+++ b/test/dtypes.c
@@ -3233,11 +3233,7 @@ test_compound_18(void)
 
     /* Open Generated File */
     /* (generated with gen_bad_compound.c) */
-#ifdef H5_VMS
-    if((file = H5Fopen(TESTFILE, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
-#else
     if((file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
-#endif
 
     /* Try to open the datatype */
     H5E_BEGIN_TRY {
diff --git a/test/fheap.c b/test/fheap.c
index 3b1f5b1..4365324 100644
--- a/test/fheap.c
+++ b/test/fheap.c
@@ -16055,9 +16055,7 @@ curr_test = FHEAP_TEST_NORMAL;
         nerrors += test_id_limits(fapl, &small_cparam);
         nerrors += test_filtered_create(fapl, &small_cparam);
         nerrors += test_size(fapl, &small_cparam);
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += test_reopen_hdr(fapl, &small_cparam);
-#endif /*H5_CANNOT_OPEN_TWICE*/
 #else /* QAK */
 HDfprintf(stderr, "Uncomment tests!\n");
 #endif /* QAK */
diff --git a/test/flush2.c b/test/flush2.c
index 4f4caf6..c6e4c3a 100644
--- a/test/flush2.c
+++ b/test/flush2.c
@@ -190,8 +190,6 @@ main(void)
 #if defined H5_HAVE_WIN32_API && !defined (hdf5_EXPORTS)
     SKIPPED();
     puts("   DLL will flush the file even when calling _exit, skip this test temporarily");
-#elif defined H5_VMS
-    SKIPPED();
 #else
     H5_FAILED()
     goto error;
@@ -213,8 +211,6 @@ main(void)
 #if defined H5_HAVE_WIN32_API && !defined (hdf5_EXPORTS)
     SKIPPED();
     puts("   DLL will flush the file even when calling _exit, skip this test temporarily");
-#elif defined H5_VMS
-    SKIPPED();
 #else
     H5_FAILED()
     goto error;
diff --git a/test/gen_cross.c b/test/gen_cross.c
index 1c73016..2d4b788 100644
--- a/test/gen_cross.c
+++ b/test/gen_cross.c
@@ -22,6 +22,10 @@
  *  Run it on an OpenVMS, a little-endian, and a big-endian machine.  Change the
  *  output file names to vms_data.h5, le_data.h5, and be_data.h5, and put them
  *  under hdf5/test/ directory.
+ *
+ *  Note that we no longer support OpenVMS. The OpenVMS file will eventually
+ *  have to go away since we won't be able to re-create it but it's probably
+ *  worth keeping around for now.
  */
 
 #include <stdio.h>
diff --git a/test/getname.c b/test/getname.c
index ee1d97b..c151bda 100644
--- a/test/getname.c
+++ b/test/getname.c
@@ -2982,9 +2982,7 @@ main(void)
     nerrors += test_main(file_id, fapl);
     nerrors += test_obj_ref(fapl);
     nerrors += test_reg_ref(fapl);
-#ifndef H5_CANNOT_OPEN_TWICE
     nerrors += test_elinks(fapl);
-#endif /*H5_CANNOT_OPEN_TWICE*/
 
     /* Close file */
     H5Fclose(file_id);
diff --git a/test/lheap.c b/test/lheap.c
index ab6fb11..81ccc77 100644
--- a/test/lheap.c
+++ b/test/lheap.c
@@ -169,11 +169,7 @@ main(void)
     {
         const char *testfile = H5_get_srcdir_filename(TESTFILE); /* Corrected test file name */
         hid_t dset = -1;
-#ifdef H5_VMS
-        file = H5Fopen(TESTFILE, H5F_ACC_RDONLY, H5P_DEFAULT);
-#else
         file = H5Fopen(testfile, H5F_ACC_RDONLY, H5P_DEFAULT);
-#endif
         if(file >= 0){
             if((dset = H5Dopen2(file, "/Dataset1", H5P_DEFAULT)) < 0)
                 TEST_ERROR
diff --git a/test/links.c b/test/links.c
index 177730f..b5d7316 100644
--- a/test/links.c
+++ b/test/links.c
@@ -36,13 +36,8 @@
 /* File for external link test.  Created with gen_udlinks.c */
 #define LINKED_FILE  "be_extlink2.h5"
 
-#ifdef H5_VMS
-#define TMPDIR          "[.tmp]"
-#define TMPDIR2         "[.tmp2]"
-#else /* H5_VMS */
 #define TMPDIR          "tmp/"
 #define TMPDIR2         "tmp2/"
-#endif /* H5_VMS */
 
 /* Symlinks for external link symlink test */
 #define SYMLINK1  TMPDIR "sym1.h5"
@@ -320,7 +315,7 @@ typedef struct {
  * Function:    fix_ext_filename
  *
  * Purpose:     Internal function to append path to file name.  It handles
- *              path name of Unix, Windows, and OpenVMS.
+ *              path name of Unix and Windows.
  *
  * Return:      void
  *
@@ -333,17 +328,8 @@ fix_ext_filename(char *path_name, char *cwd, const char *file_name)
 {
     HDstrcpy(path_name, cwd);
 
-#ifdef H5_VMS
-    if(file_name[0] == '[') {
-        char *tmp = file_name;
-        path_name[strlen(cwd)-1] = '\0';
-        HDstrcat(path_name, ++tmp);
-    } else
-        HDstrcat(path_name, file_name);
-#else
     HDstrcat(path_name, "/");
     HDstrcat(path_name, file_name);
-#endif
 }
 
 
@@ -2877,7 +2863,6 @@ external_link_abs_mainpath(hid_t fapl, hbool_t new_format)
      * set up name for main file:
      *	Linux: "/CWD/tmp/extlinks0"
      *  Window: "<cur drive>:/CWD/tmp/extlinks0"
-     *  OpenVMS: "<cur disk>$<partition>:[CWD.tmp]extlinks0"
      */
     fix_ext_filename(tmpname, cwdpath, FILENAME[13]);
     h5_fixname(tmpname, fapl, filename1, sizeof filename1);
@@ -6960,7 +6945,6 @@ external_file_cache(hid_t fapl, hbool_t new_format)
     /* Verify that all files are now closed */
     H5F_sfile_assert_num(0);
 
-#ifndef H5_CANNOT_OPEN_TWICE
     /*
      * Test 5: 3 file cycle
      */
@@ -7062,7 +7046,6 @@ external_file_cache(hid_t fapl, hbool_t new_format)
 
     /* Verify that all files are now closed */
     H5F_sfile_assert_num(0);
-#endif /* H5_CANNOT_OPEN_TWICE */
 
     /* Close fapl */
     H5Pclose(my_fapl);
@@ -14606,15 +14589,11 @@ main(void)
                 printf("\n---Testing without external file cache---\n");
             } /* end else */
 
-#ifndef H5_CANNOT_OPEN_TWICE
             nerrors += external_link_root(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
             nerrors += external_link_path(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
             nerrors += external_link_self(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_pingpong(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_toomany(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
             nerrors += external_link_dangling(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_recursive(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_query(my_fapl, new_format) < 0 ? 1 : 0;
@@ -14622,9 +14601,7 @@ main(void)
             nerrors += external_link_unlink_dense(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_move(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_link_ride(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
             nerrors += external_link_closing(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
             nerrors += external_link_endian(new_format) < 0 ? 1 : 0;
             nerrors += external_link_strong(my_fapl, new_format) < 0 ? 1 : 0;
 
@@ -14654,9 +14631,7 @@ main(void)
             nerrors += external_symlink(env_h5_drvr, my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_copy_invalid_object(my_fapl, new_format) < 0 ? 1 : 0;
             nerrors += external_dont_fail_to_source(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
             nerrors += external_open_twice(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
         } /* end for */
 
         /* These tests assume that external links are a form of UD links,
@@ -14680,9 +14655,7 @@ main(void)
         nerrors += obj_visit_by_name(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += obj_visit_stop(my_fapl, new_format) < 0 ? 1 : 0;
         nerrors += link_filters(my_fapl, new_format) < 0 ? 1 : 0;
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += obj_exists(my_fapl, new_format) < 0 ? 1 : 0;
-#endif /* H5_CANNOT_OPEN_TWICE */
 
         /* Keep this test last, it's testing files that are used above */
         /* do not do this for files used by external link tests */
diff --git a/test/links_env.c b/test/links_env.c
index 308d562..6e47667 100644
--- a/test/links_env.c
+++ b/test/links_env.c
@@ -25,11 +25,7 @@
 #include "H5Iprivate.h"		/* IDs			  		*/
 #include "H5Lprivate.h"         /* Links                                */
 
-#ifdef H5_VMS
-#define TMPDIR          "[.tmp]"
-#else /* H5_VMS */
 #define TMPDIR          "tmp/"
-#endif /* H5_VMS */
 #define NAME_BUF_SIZE   1024
 
 const char *FILENAME[] = {
diff --git a/test/objcopy.c b/test/objcopy.c
index cd0ddce..19e4a58 100644
--- a/test/objcopy.c
+++ b/test/objcopy.c
@@ -12284,9 +12284,7 @@ main(void)
         nerrors += test_copy_group_wide_loop(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
         nerrors += test_copy_group_links(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
         nerrors += test_copy_soft_link(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
-#ifndef H5_CANNOT_OPEN_TWICE
         nerrors += test_copy_ext_link(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
-#endif /* H5_CANNOT_OPEN_TWICE */
         nerrors += test_copy_exist(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
         nerrors += test_copy_path(fcpl_src, fcpl_dst, src_fapl, dst_fapl);
 
diff --git a/test/stab.c b/test/stab.c
index 48b58b1..95e9722 100644
--- a/test/stab.c
+++ b/test/stab.c
@@ -57,8 +57,6 @@ const char *FILENAME[] = {
 /* The group_old.h5 is generated from gen_old_fill.c in HDF5 'test' directory
  * for version 1.6.  To get this data file, simply compile gen_old_group.c with
  * the HDF5 library in that branch and run it. */
-/* I changed the name "group_old.h5.copy" to "group_old_copy.h5" because OpenVMS 
- * doesn't like any file name with more than one ".". SLU 2010/12/13 */ 
 #define FILE_OLD_GROUPS "group_old.h5"
 #define FILE_OLD_GROUPS_COPY "group_old_copy.h5"
 
diff --git a/test/tconfig.c b/test/tconfig.c
index f3ac242..14c863e 100644
--- a/test/tconfig.c
+++ b/test/tconfig.c
@@ -60,13 +60,6 @@ void test_exit_definitions(void);
  * Programmer:	Albert Cheng
  *              September 25, 2001
  *
- * Modifications:
- *              Raymond Lu
- *              16 Dec 2009
- *              On Boeing's OpenVMS, the value of EXIT_FAILURE is 268435458.
- *              (The test is in test_exit_definitions.)  Their document says
- *              it's supposed to be 2.  I commented it out for OpenVMS for
- *              further consideration.
  *-------------------------------------------------------------------------
  */
 void
@@ -75,9 +68,7 @@ test_configure(void)
     /* Output message about test being performed */
     MESSAGE(5, ("Testing configure definitions\n"));
     test_config_ctypes();
-#ifndef H5_VMS
     test_exit_definitions();
-#endif
 }
 
 
diff --git a/test/tfile.c b/test/tfile.c
index 736fe42..2e24791 100644
--- a/test/tfile.c
+++ b/test/tfile.c
@@ -152,19 +152,15 @@ test_file_create(void)
      * try to create the same file with H5F_ACC_TRUNC. This should fail
      * because fid1 is the same file and is currently open.
      */
-#ifndef H5_HAVE_FILE_VERSIONS
     fid2 = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
     VERIFY(fid2, FAIL, "H5Fcreate");
-#endif /*H5_DONT_HAVE_FILE_VERSIONS*/
 
     /* Close all files */
     ret = H5Fclose(fid1);
     CHECK(ret, FAIL, "H5Fclose");
 
-#ifndef H5_HAVE_FILE_VERSIONS
     ret = H5Fclose(fid2);
     VERIFY(ret, FAIL, "H5Fclose"); /*file should not have been open */
-#endif /*H5_HAVE_FILE_VERSIONS*/
 
     /*
      * Try again with H5F_ACC_EXCL. This should fail because the file already
@@ -177,7 +173,6 @@ test_file_create(void)
     fid1 = H5Fcreate(FILE1, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
     CHECK(fid1, FAIL, "H5Fcreate");
 
-#ifndef H5_HAVE_FILE_VERSIONS
     /*
      * Try to truncate first file again. This should fail because fid1 is the
      * same file and is currently open.
@@ -191,7 +186,6 @@ test_file_create(void)
      */
     fid2 = H5Fcreate(FILE1, H5F_ACC_EXCL, H5P_DEFAULT, H5P_DEFAULT);
     VERIFY(fid2, FAIL, "H5Fcreate");
-#endif /*H5_HAVE_FILE_VERSIONS*/
 
     /* Get the file-creation template */
     tmpl1 = H5Fget_create_plist(fid1);
@@ -1341,7 +1335,6 @@ test_file_perm(void)
     ret = H5Dclose(dset);
     CHECK(ret, FAIL, "H5Dclose");
 
-#ifndef H5_CANNOT_OPEN_TWICE
     /* Open the file (with read-only permission) */
     filero = H5Fopen(FILE2, H5F_ACC_RDONLY, H5P_DEFAULT);
     CHECK(filero, FAIL, "H5Fopen");
@@ -1358,7 +1351,6 @@ test_file_perm(void)
 
     ret = H5Fclose(filero);
     CHECK(ret, FAIL, "H5Fclose");
-#endif /*H5_CANNOT_OPEN_TWICE*/
 
     ret = H5Fclose(file);
     CHECK(ret, FAIL, "H5Fclose");
@@ -2335,7 +2327,7 @@ test_rw_noupdate(void)
     /* Check That Timestamps Are Equal */
     if(diff > 0.0F) {
         /* Output message about test being performed */
-        MESSAGE(1, ("Testing to verify that nothing is written if nothing is changed: This test is skipped on this system because the modification time from stat is the same as the last access time (We know OpenVMS behaves in this way).\n"));
+        MESSAGE(1, ("Testing to verify that nothing is written if nothing is changed: This test is skipped on this system because the modification time from stat is the same as the last access time.\n"));
     } /* end if */
     else {
         hid_t file_id;      /* HDF5 File ID */
@@ -2965,16 +2957,12 @@ test_file(void)
     test_file_freespace();      /* Test file free space information */
     test_file_ishdf5();         /* Test detecting HDF5 files correctly */
     test_file_open_dot();       /* Test opening objects with "." for a name */
-#ifndef H5_CANNOT_OPEN_TWICE
     test_file_open_overlap();   /* Test opening files in an overlapping manner */
-#endif /*H5_CANNOT_OPEN_TWICE*/
     test_file_getname();        /* Test basic H5Fget_name() functionality */
-#ifndef H5_CANNOT_OPEN_TWICE
     test_file_double_root_open();       /* Test opening root group from two files works properly */
     test_file_double_group_open();      /* Test opening same group from two files works properly */
     test_file_double_dataset_open();    /* Test opening same dataset from two files works properly */
     test_file_double_datatype_open();   /* Test opening same named datatype from two files works properly */
-#endif /*H5_CANNOT_OPEN_TWICE*/
     test_userblock_file_size(); /* Tests that files created with a userblock have the correct size */
     test_cached_stab_info();    /* Tests that files are created with cached stab info in the superblock */
     test_rw_noupdate();         /* Test to ensure that RW permissions don't write the file unless dirtied */
diff --git a/test/th5o.c b/test/th5o.c
index be3b4ab..40844fa 100644
--- a/test/th5o.c
+++ b/test/th5o.c
@@ -1355,9 +1355,7 @@ test_h5o(void)
     test_h5o_link();            /* Test object link routine */
     test_h5o_comment();         /* Test routines for comment */
     test_h5o_comment_by_name(); /* Test routines for comment by name */
-#ifndef  H5_CANNOT_OPEN_TWICE   /* OpenVMS can't open a file twice */
     test_h5o_getinfo_same_file(); /* Test info for objects in the same file */
-#endif /* H5_CANNOT_OPEN_TWICE */
 } /* test_h5o() */
 
 
diff --git a/test/tsohm.c b/test/tsohm.c
index 11fb8ab..d51a166 100644
--- a/test/tsohm.c
+++ b/test/tsohm.c
@@ -3988,10 +3988,7 @@ test_sohm(void)
     test_sohm_delete();         /* Test deleting shared messages */
     test_sohm_delete_revert();  /* Test that a file with SOHMs becomes an
                                  * empty file again when they are deleted. */
-#ifndef  H5_CANNOT_OPEN_TWICE   /* On VMS this test fails since it tries to
-                                   open target file the second time */
     test_sohm_extlink();        /* Test SOHMs when external links are used */
-#endif /* H5_CANNOT_OPEN_TWICE */
 
     test_sohm_extend_dset();    /* Test extending shared datasets */
     test_sohm_external_dtype(); /* Test using datatype in another file */
diff --git a/tools/h5ls/h5ls.c b/tools/h5ls/h5ls.c
index cd3a0bc..4afb329 100644
--- a/tools/h5ls/h5ls.c
+++ b/tools/h5ls/h5ls.c
@@ -45,11 +45,7 @@ static h5tool_format_t         ls_dataformat = {
         "", /*fmt_raw */
         "%d", /*fmt_int */
         "%u", /*fmt_uint */
-#ifdef H5_VMS
-        "%hd", /*fmt_schar */
-#else
         "%hhd", /*fmt_schar */
-#endif
         "%u", /*fmt_uchar */
         "%d", /*fmt_short */
         "%u", /*fmt_ushort */
diff --git a/tools/lib/h5diff_array.c b/tools/lib/h5diff_array.c
index d71bc2c..1ee9054 100644
--- a/tools/lib/h5diff_array.c
+++ b/tools/lib/h5diff_array.c
@@ -6046,28 +6046,6 @@ my_isnan(dtype_t type, void *val)
         }
     }
 
-#ifdef H5_VMS
-    /* For "float" and "double" on OpenVMS/Alpha, NaN is
-    * actually a valid value of maximal value.*/
-    if(!retval)
-    {
-        if (FLT_FLOAT==type)
-        {
-            float x;
-
-            HDmemcpy(&x, val, sizeof(float));
-            retval = (x==FLT_MAX || x==-FLT_MAX);
-        } else if (FLT_DOUBLE==type) {
-            double x;
-
-            HDmemcpy(&x, val, sizeof(double));
-            retval = (x==DBL_MAX || x==-DBL_MAX);
-        } else
-        {
-            return FALSE;
-        }
-    }
-#endif /*H5_VMS*/
 
     return retval;
 }
diff --git a/tools/lib/h5tools_dump.c b/tools/lib/h5tools_dump.c
index 5ab066e..a05d5ce 100644
--- a/tools/lib/h5tools_dump.c
+++ b/tools/lib/h5tools_dump.c
@@ -36,11 +36,7 @@ h5tool_format_t h5tools_dataformat = {
 "", /*fmt_raw */
 "%d", /*fmt_int */
 "%u", /*fmt_uint */
-#ifdef H5_VMS
-"%hd", /*fmt_schar */
-#else
 "%hhd", /*fmt_schar */
-#endif
 "%u", /*fmt_uchar */
 "%d", /*fmt_short */
 "%u", /*fmt_ushort */
diff --git a/tools/lib/h5tools_str.c b/tools/lib/h5tools_str.c
index 4273607..1142424 100644
--- a/tools/lib/h5tools_str.c
+++ b/tools/lib/h5tools_str.c
@@ -860,11 +860,7 @@ h5tools_str_sprint(h5tools_str_t *str, const h5tool_format_t *info, hid_t contai
                             else
                                 tempchar = (tempchar >> packed_data_offset) & packed_data_mask;
                         }
-    #ifdef H5_VMS
-                        h5tools_str_append(str, OPT(info->fmt_schar, "%hd"), tempchar);
-    #else
                         h5tools_str_append(str, OPT(info->fmt_schar, "%hhd"), tempchar);
-    #endif
                     }
                 } /* end if (sizeof(char) == nsize) */
                 else if (sizeof(int) == nsize) {
diff --git a/tools/perform/sio_standalone.h b/tools/perform/sio_standalone.h
index 4eb1ded..8f52eba 100644
--- a/tools/perform/sio_standalone.h
+++ b/tools/perform/sio_standalone.h
@@ -322,18 +322,7 @@ H5_DLL int HDrand(void);
 #define HDread(F,M,Z)           read(F,M,Z)
 #define HDreaddir(D)            readdir(D)
 #define HDrealloc(M,Z)          realloc(M,Z)
-#ifdef H5_VMS
-#ifdef __cplusplus
-extern "C" {
-#endif
-int HDremove_all(const char * fname);
-#ifdef __cplusplus
-}
-#endif
-#define HDremove(S)             HDremove_all(S)
-#else
 #define HDremove(S)             remove(S)
-#endif /*H5_VMS*/
 #define HDrename(OLD,NEW)       rename(OLD,NEW)
 #define HDrewind(F)             rewind(F)
 #define HDrewinddir(D)          rewinddir(D)
diff --git a/tools/perform/zip_perf.c b/tools/perform/zip_perf.c
index f73ba40..d025602 100644
--- a/tools/perform/zip_perf.c
+++ b/tools/perform/zip_perf.c
@@ -30,15 +30,6 @@
 
 #include <zlib.h>
 
-#ifdef VMS
-#  define unlink        delete
-#endif  /* VMS */
-
-#ifdef RISCOS
-#  define unlink        remove
-#  define fileno(file)  file->__file
-#endif  /* RISCOS */
-
 #define ONE_KB              1024
 #define ONE_MB              (ONE_KB * ONE_KB)
 #define ONE_GB              (ONE_MB * ONE_KB)