diff --git a/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiCommandLib.h b/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiCommandLib.h
index ff9078abb8..36d4646f66 100644
--- a/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiCommandLib.h
+++ b/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiCommandLib.h
@@ -5,8 +5,7 @@
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
-#ifndef MOCK_IPMI_COMMAND_LIB_H_
-#define MOCK_IPMI_COMMAND_LIB_H_
+#pragma once
 
 #include <Library/GoogleTestLib.h>
 #include <Library/FunctionMockLib.h>
@@ -359,5 +358,3 @@ struct MockIpmiCommandLib {
     )
     );
 };
-
-#endif
diff --git a/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiLib.h b/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiLib.h
index 14a36e513a..d9d6e5c3fd 100644
--- a/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiLib.h
+++ b/MdeModulePkg/Test/Mock/Include/GoogleTest/Library/MockIpmiLib.h
@@ -5,8 +5,7 @@
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
-#ifndef MOCK_IPMI_LIB_H_
-#define MOCK_IPMI_LIB_H_
+#pragma once
 
 #include <Library/GoogleTestLib.h>
 #include <Library/FunctionMockLib.h>
@@ -31,5 +30,3 @@ struct MockIpmiLib {
     )
     );
 };
-
-#endif