1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmArgumentParser.h b/Source/cmArgumentParser.h
index 5d2dfa2..71ed844 100644
--- a/Source/cmArgumentParser.h
+++ b/Source/cmArgumentParser.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 cmArgumentParser_h
-#define cmArgumentParser_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -146,5 +145,3 @@ protected:
 private:
   ArgumentParser::ActionMap Bindings;
 };
-
-#endif