1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmRST.h b/Source/cmRST.h
index 6b5d416..17cdfe8 100644
--- a/Source/cmRST.h
+++ b/Source/cmRST.h
@@ -1,7 +1,6 @@
 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
    file Copyright.txt or https://cmake.org/licensing for details.  */
-#ifndef _cmRST_h
-#define _cmRST_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -97,5 +96,3 @@ private:
   std::set<std::string> Replaced;
   std::string ReplaceName;
 };
-
-#endif