1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmGeneratorExpression.h b/Source/cmGeneratorExpression.h
index 09d8b88..03be782 100644
--- a/Source/cmGeneratorExpression.h
+++ b/Source/cmGeneratorExpression.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 cmGeneratorExpression_h
-#define cmGeneratorExpression_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -208,5 +207,3 @@ protected:
   cmGeneratorTarget const* HeadTarget = nullptr;
   std::string Language;
 };
-
-#endif