1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmListFileCache.h b/Source/cmListFileCache.h
index 0b4414de69..c9556abbeb 100644
--- a/Source/cmListFileCache.h
+++ b/Source/cmListFileCache.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 cmListFileCache_h
-#define cmListFileCache_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -215,5 +214,3 @@ struct cmListFile
 
   std::vector<cmListFileFunction> Functions;
 };
-
-#endif