1 files changed, 1 insertions, 4 deletions
diff --git a/Source/cmVariableWatchCommand.h b/Source/cmVariableWatchCommand.h
index 3f9f2443a6..4477cb7d88 100644
--- a/Source/cmVariableWatchCommand.h
+++ b/Source/cmVariableWatchCommand.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 cmVariableWatchCommand_h
-#define cmVariableWatchCommand_h
+#pragma once
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
@@ -16,5 +15,3 @@ class cmExecutionStatus;
  */
 bool cmVariableWatchCommand(std::vector<std::string> const& args,
                             cmExecutionStatus& status);
-
-#endif