1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmLocale.h b/Source/cmLocale.h
index c44a42db7f..f7636acb71 100644
--- a/Source/cmLocale.h
+++ b/Source/cmLocale.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 cmLocale_h
-#define cmLocale_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -25,5 +24,3 @@ public:
 private:
   std::string OldLocale;
 };
-
-#endif