diff --git a/radio/aidl/vts/radio_ims_indication.cpp b/radio/aidl/vts/radio_ims_indication.cpp
index f9c872f..6f6d4f2 100644
--- a/radio/aidl/vts/radio_ims_indication.cpp
+++ b/radio/aidl/vts/radio_ims_indication.cpp
@@ -31,4 +31,8 @@
 ndk::ScopedAStatus RadioImsIndication::notifyAnbr(RadioIndicationType /*type*/,
         int /*qosSessionId*/, ImsStreamDirection /*direction*/, int /*bitsPerSecond*/) {
     return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus RadioImsIndication::triggerImsDeregistration(RadioIndicationType /*type*/) {
+    return ndk::ScopedAStatus::ok();
 }
\ No newline at end of file
diff --git a/radio/aidl/vts/radio_ims_utils.h b/radio/aidl/vts/radio_ims_utils.h
index 61e4254..541077f 100644
--- a/radio/aidl/vts/radio_ims_utils.h
+++ b/radio/aidl/vts/radio_ims_utils.h
@@ -67,6 +67,8 @@
 
     virtual ndk::ScopedAStatus notifyAnbr(RadioIndicationType type, int qosSessionId,
             ImsStreamDirection direction, int bitsPerSecond) override;
+
+    virtual ndk::ScopedAStatus triggerImsDeregistration(RadioIndicationType type) override;
 };
 
 // The main test class for Radio AIDL Ims.