1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmFileLockPool.h b/Source/cmFileLockPool.h
index d45c82cc41..f2f9f23a7a 100644
--- a/Source/cmFileLockPool.h
+++ b/Source/cmFileLockPool.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 cmFileLockPool_h
-#define cmFileLockPool_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -86,5 +85,3 @@ private:
   List FileScopes;
   ScopePool ProcessScope;
 };
-
-#endif // cmFileLockPool_h