1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmGlobalMSYSMakefileGenerator.h b/Source/cmGlobalMSYSMakefileGenerator.h
index b2de4ff50c..1a47b4f182 100644
--- a/Source/cmGlobalMSYSMakefileGenerator.h
+++ b/Source/cmGlobalMSYSMakefileGenerator.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 cmGlobalMSYSMakefileGenerator_h
-#define cmGlobalMSYSMakefileGenerator_h
+#pragma once
 
 #include <memory>
 
@@ -42,5 +41,3 @@ public:
 private:
   std::string FindMinGW(std::string const& makeloc);
 };
-
-#endif