diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index bd3022b..6443c2b 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -39,7 +39,7 @@
     HWComposer();
     ~HWComposer() override;
 
-    MOCK_METHOD1(setCallback, void(HWC2::ComposerCallback*));
+    MOCK_METHOD1(setCallback, void(HWC2::ComposerCallback&));
     MOCK_CONST_METHOD3(getDisplayIdentificationData,
                        bool(hal::HWDisplayId, uint8_t*, DisplayIdentificationData*));
     MOCK_CONST_METHOD1(hasCapability, bool(hal::Capability));
diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index 765dec3..75c8ff3 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -89,6 +89,7 @@
     MOCK_METHOD2(onComposerHalVsyncPeriodTimingChanged,
                  void(hal::HWDisplayId, const hal::VsyncPeriodChangeTimeline&));
     MOCK_METHOD1(onComposerHalSeamlessPossible, void(hal::HWDisplayId));
+    MOCK_METHOD1(onComposerHalVsyncIdle, void(hal::HWDisplayId));
 };
 
 struct HWComposerSetCallbackTest : testing::Test {
@@ -110,11 +111,9 @@
                             }),
                             Return(hardware::graphics::composer::V2_4::Error::NONE)));
     EXPECT_CALL(*mHal, registerCallback(_));
-    EXPECT_CALL(*mHal, isSupported(Hwc2::Composer::OptionalFeature::RefreshRateSwitching))
-            .WillOnce(Return(false));
 
     impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(&mCallback);
+    hwc.setCallback(mCallback);
 
     const auto& supported = hwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(2u, supported.size());
@@ -129,11 +128,9 @@
     EXPECT_CALL(*mHal, getLayerGenericMetadataKeys(_))
             .WillOnce(Return(hardware::graphics::composer::V2_4::Error::UNSUPPORTED));
     EXPECT_CALL(*mHal, registerCallback(_));
-    EXPECT_CALL(*mHal, isSupported(Hwc2::Composer::OptionalFeature::RefreshRateSwitching))
-            .WillOnce(Return(false));
 
     impl::HWComposer hwc{std::unique_ptr<Hwc2::Composer>(mHal)};
-    hwc.setCallback(&mCallback);
+    hwc.setCallback(mCallback);
 
     const auto& supported = hwc.getSupportedLayerGenericMetadata();
     EXPECT_EQ(0u, supported.size());
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index 4273401..261e106 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -19,6 +19,7 @@
 #include <gmock/gmock.h>
 
 #include "DisplayHardware/ComposerHal.h"
+#include "DisplayHardware/HWC2.h"
 
 namespace android {
 
@@ -51,7 +52,7 @@
     MOCK_METHOD(bool, isSupported, (OptionalFeature), (const, override));
     MOCK_METHOD0(getCapabilities, std::vector<IComposer::Capability>());
     MOCK_METHOD0(dumpDebugInfo, std::string());
-    MOCK_METHOD1(registerCallback, void(const sp<IComposerCallback>&));
+    MOCK_METHOD1(registerCallback, void(HWC2::ComposerCallback&));
     MOCK_METHOD0(resetCommands, void());
     MOCK_METHOD0(executeCommands, Error());
     MOCK_METHOD0(getMaxVirtualDisplayCount, uint32_t());