1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmWhileCommand.h b/Source/cmWhileCommand.h
index beca652c6..5b8f0783c 100644
--- a/Source/cmWhileCommand.h
+++ b/Source/cmWhileCommand.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 cmWhileCommand_h
-#define cmWhileCommand_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -13,5 +12,3 @@ struct cmListFileArgument;
 /// \brief Starts a while loop
 bool cmWhileCommand(std::vector<cmListFileArgument> const& args,
                     cmExecutionStatus& status);
-
-#endif