1 files changed, 1 insertions, 3 deletions
diff --git a/Source/cmOptionCommand.h b/Source/cmOptionCommand.h
index cbd1cb864..912e0eeef 100644
--- a/Source/cmOptionCommand.h
+++ b/Source/cmOptionCommand.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 cmOptionCommand_h
-#define cmOptionCommand_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -17,4 +16,3 @@ class cmExecutionStatus;
  */
 bool cmOptionCommand(std::vector<std::string> const& args,
                      cmExecutionStatus& status);
-#endif