1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmExportSet.h b/Source/cmExportSet.h
index f0d921f..07deb11 100644
--- a/Source/cmExportSet.h
+++ b/Source/cmExportSet.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 cmExportSet_h
-#define cmExportSet_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -61,5 +60,3 @@ public:
    */
   cmExportSet& operator[](const std::string& name);
 };
-
-#endif