diff --git a/include/comphelper/accessiblewrapper.hxx b/include/comphelper/accessiblewrapper.hxx
index 82d04fa1e2b9..67c7dd0015b5 100644
--- a/include/comphelper/accessiblewrapper.hxx
+++ b/include/comphelper/accessiblewrapper.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_COMPHELPER_ACCESSIBLEWRAPPER_HXX
-#define INCLUDED_COMPHELPER_ACCESSIBLEWRAPPER_HXX
+#pragma once
 
 #include <config_options.h>
 #include <sal/config.h>
@@ -374,7 +373,4 @@ private:
 
 }   // namespace accessibility
 
-
-#endif // INCLUDED_COMPHELPER_ACCESSIBLEWRAPPER_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/comphelper/proxyaggregation.hxx b/include/comphelper/proxyaggregation.hxx
index 0cbce20d3d02..9ea615b00117 100644
--- a/include/comphelper/proxyaggregation.hxx
+++ b/include/comphelper/proxyaggregation.hxx
@@ -17,8 +17,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifndef INCLUDED_COMPHELPER_PROXYAGGREGATION_HXX
-#define INCLUDED_COMPHELPER_PROXYAGGREGATION_HXX
+#pragma once
 
 #include <config_options.h>
 #include <cppuhelper/implbase1.hxx>
@@ -213,7 +212,4 @@ namespace comphelper
 
 }   // namespace comphelper
 
-
-#endif // INCLUDED_COMPHELPER_PROXYAGGREGATION_HXX
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */