1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmXMLWriter.h b/Source/cmXMLWriter.h
index 00ea08cef..a16c4c871 100644
--- a/Source/cmXMLWriter.h
+++ b/Source/cmXMLWriter.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 cmXMLWiter_h
-#define cmXMLWiter_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -196,5 +195,3 @@ public:
 private:
   cmXMLWriter& xmlwr;
 };
-
-#endif