1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmMachO.h b/Source/cmMachO.h
index 0c44b5564e..be92c9550c 100644
--- a/Source/cmMachO.h
+++ b/Source/cmMachO.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 cmMachO_h
-#define cmMachO_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -43,5 +42,3 @@ private:
   bool Valid() const;
   std::unique_ptr<cmMachOInternal> Internal;
 };
-
-#endif