diff --git a/AdvLoggerPkg/Library/AdvancedLoggerLib/Dxe/GoogleTest/AdvancedLoggerDxeLibGoogleTest.inf b/AdvLoggerPkg/Library/AdvancedLoggerLib/Dxe/GoogleTest/AdvancedLoggerDxeLibGoogleTest.inf
index faed89677e..ef70596027 100644
--- a/AdvLoggerPkg/Library/AdvancedLoggerLib/Dxe/GoogleTest/AdvancedLoggerDxeLibGoogleTest.inf
+++ b/AdvLoggerPkg/Library/AdvancedLoggerLib/Dxe/GoogleTest/AdvancedLoggerDxeLibGoogleTest.inf
@@ -23,7 +23,6 @@ VERSION_STRING = 1.0
 [Sources]
   ../AdvancedLoggerLib.c # Source for extern mInitialized
   AdvancedLoggerDxeLibGoogleTest.cpp
-  ../../../../Test/Mock/Library/GoogleTest/Protocol/MockAdvancedLogger.cpp
   # MdePkg/Test/Mock/Library/GoogleTest/Protocol/MockDebugPort.cpp # Waiting on MockDebugPort
 
 [Packages]
diff --git a/AdvLoggerPkg/Test/Mock/Include/GoogleTest/Protocol/MockAdvancedLogger.h b/AdvLoggerPkg/Test/Mock/Include/GoogleTest/Protocol/MockAdvancedLogger.h
index 3634588415..edbd58c137 100644
--- a/AdvLoggerPkg/Test/Mock/Include/GoogleTest/Protocol/MockAdvancedLogger.h
+++ b/AdvLoggerPkg/Test/Mock/Include/GoogleTest/Protocol/MockAdvancedLogger.h
@@ -33,4 +33,23 @@ extern "C" {
   extern ADVANCED_LOGGER_PROTOCOL  *gALProtocol;
 }
 
+//
+// Mock function definitions in header file to prevent need of cpp file and
+// make it easier to consume in tests.
+// This is only suitable for protocol mocks.
+//
+
+MOCK_INTERFACE_DEFINITION (MockAdvancedLogger);
+MOCK_FUNCTION_DEFINITION (MockAdvancedLogger, gAL_AdvancedLoggerWriteProtocol, 4, EFIAPI);
+
+static ADVANCED_LOGGER_PROTOCOL  advancedLoggerInstance = {
+  ADVANCED_LOGGER_PROTOCOL_SIGNATURE,   // UINT32
+  ADVANCED_LOGGER_PROTOCOL_VERSION,     // UINT32
+  gAL_AdvancedLoggerWriteProtocol       // ADVANCED_LOGGER_WRITE_PROTOCOL
+};
+
+extern "C" {
+  ADVANCED_LOGGER_PROTOCOL  *gALProtocol = &advancedLoggerInstance;
+}
+
 #endif // MOCK_ADVANCED_LOGGER_LIB_H_
diff --git a/AdvLoggerPkg/Test/Mock/Library/GoogleTest/Protocol/MockAdvancedLogger.cpp b/AdvLoggerPkg/Test/Mock/Library/GoogleTest/Protocol/MockAdvancedLogger.cpp
deleted file mode 100644
index 583b734d38..0000000000
--- a/AdvLoggerPkg/Test/Mock/Library/GoogleTest/Protocol/MockAdvancedLogger.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/** @file MockAdvancedLogger.cpp
-    Google Test mock for Advanced Logger Protocol.
-
-    Copyright (c) Microsoft Corporation.
-    SPDX-License-Identifier: BSD-2-Clause-Patent
-**/
-
-#include <GoogleTest/Protocol/MockAdvancedLogger.h>
-
-MOCK_INTERFACE_DEFINITION (MockAdvancedLogger);
-MOCK_FUNCTION_DEFINITION (MockAdvancedLogger, gAL_AdvancedLoggerWriteProtocol, 4, EFIAPI);
-
-static ADVANCED_LOGGER_PROTOCOL  advancedLoggerInstance = {
-  ADVANCED_LOGGER_PROTOCOL_SIGNATURE,   // UINT32
-  ADVANCED_LOGGER_PROTOCOL_VERSION,     // UINT32
-  gAL_AdvancedLoggerWriteProtocol       // ADVANCED_LOGGER_WRITE_PROTOCOL
-};
-
-extern "C" {
-  ADVANCED_LOGGER_PROTOCOL  *gALProtocol = &advancedLoggerInstance;
-}