diff --git a/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp b/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
index d534943..4fb5d01 100644
--- a/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
+++ b/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
@@ -124,6 +124,12 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+::ndk::ScopedAStatus GraphicsComposerCallback::onRefreshRateChangedDebug(
+        const RefreshRateChangedDebugData&) {
+    // TODO(b/202734676) Add implementation for Vts tests
+    return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+}
+
 ::ndk::ScopedAStatus GraphicsComposerCallback::onVsyncPeriodTimingChanged(
         int64_t in_display,
         const ::aidl::android::hardware::graphics::composer3::VsyncPeriodChangeTimeline&
diff --git a/graphics/composer/aidl/vts/GraphicsComposerCallback.h b/graphics/composer/aidl/vts/GraphicsComposerCallback.h
index e54da34..9c3bc70 100644
--- a/graphics/composer/aidl/vts/GraphicsComposerCallback.h
+++ b/graphics/composer/aidl/vts/GraphicsComposerCallback.h
@@ -55,6 +55,8 @@
             const ::aidl::android::hardware::graphics::composer3::VsyncPeriodChangeTimeline&
                     in_updatedTimeline) override;
     virtual ::ndk::ScopedAStatus onVsyncIdle(int64_t in_display) override;
+    virtual ::ndk::ScopedAStatus onRefreshRateChangedDebug(
+            const RefreshRateChangedDebugData&) override;
 
     mutable std::mutex mMutex;
     // the set of all currently connected displays
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.cpp b/graphics/composer/aidl/vts/VtsComposerClient.cpp
index f95e747..2e2b193 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.cpp
+++ b/graphics/composer/aidl/vts/VtsComposerClient.cpp
@@ -373,6 +373,12 @@
     return mComposerCallback->getVsyncIdleTime();
 }
 
+ndk::ScopedAStatus VtsComposerClient::setRefreshRateChangedCallbackDebugEnabled(
+        int64_t /* display */, bool /* enabled */) {
+    // TODO(b/202734676) Add implementation for VTS tests
+    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+}
+
 int64_t VtsComposerClient::getInvalidDisplayId() {
     // returns an invalid display id (one that has not been registered to a
     // display. Currently assuming that a device will never have close to
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.h b/graphics/composer/aidl/vts/VtsComposerClient.h
index 27788e7..aee46d2 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.h
+++ b/graphics/composer/aidl/vts/VtsComposerClient.h
@@ -196,6 +196,9 @@
 
     bool verifyComposerCallbackParams();
 
+    ndk::ScopedAStatus setRefreshRateChangedCallbackDebugEnabled(int64_t /* display */,
+                                                                 bool /* enabled */);
+
     // Keep track of displays and layers. When a test fails/ends,
     // the VtsComposerClient::tearDown should be called from the
     // test tearDown to clean up the resources for the test.