1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmFileTimeCache.h b/Source/cmFileTimeCache.h
index 83b77b6..336136e 100644
--- a/Source/cmFileTimeCache.h
+++ b/Source/cmFileTimeCache.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 cmFileTimeCache_h
-#define cmFileTimeCache_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -53,5 +52,3 @@ public:
 private:
   std::unordered_map<std::string, cmFileTime> Cache;
 };
-
-#endif