diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index 2cff2f2..6030427 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -58,6 +58,7 @@
 
 using Hwc2::Config;
 
+using ::aidl::android::hardware::drm::HdcpLevels;
 using ::aidl::android::hardware::graphics::common::DisplayHotplugEvent;
 using ::aidl::android::hardware::graphics::composer3::RefreshRateChangedDebugData;
 using hal::IComposerClient;
@@ -454,6 +455,8 @@
     MOCK_METHOD1(onComposerHalSeamlessPossible, void(hal::HWDisplayId));
     MOCK_METHOD1(onComposerHalVsyncIdle, void(hal::HWDisplayId));
     MOCK_METHOD(void, onRefreshRateChangedDebug, (const RefreshRateChangedDebugData&), (override));
+    MOCK_METHOD(void, onComposerHalHdcpLevelsChanged, (hal::HWDisplayId, const HdcpLevels&),
+                (override));
 };
 
 struct HWComposerSetCallbackTest : HWComposerTest {