diff --git a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
index ba11257..49a315d 100644
--- a/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
+++ b/radio/1.5/vts/functional/radio_hidl_hal_utils_v1_5.h
@@ -739,6 +739,13 @@
 
     Return<void> modemReset(RadioIndicationType type,
                             const ::android::hardware::hidl_string& reason);
+
+    Return<void> registrationFailed(
+            RadioIndicationType type,
+            const ::android::hardware::radio::V1_5::CellIdentity& cellIdentity,
+            const ::android::hardware::hidl_string& chosenPlmn,
+            ::android::hardware::hidl_bitfield<::android::hardware::radio::V1_5::Domain> domain,
+            int32_t causeCode, int32_t additionalCauseCode);
 };
 
 // Test environment for Radio HIDL HAL.
diff --git a/radio/1.5/vts/functional/radio_indication.cpp b/radio/1.5/vts/functional/radio_indication.cpp
index acffbbe..2416605 100644
--- a/radio/1.5/vts/functional/radio_indication.cpp
+++ b/radio/1.5/vts/functional/radio_indication.cpp
@@ -333,3 +333,12 @@
                                                                      bool /*enabled*/) {
     return Void();
 }
+
+Return<void> RadioIndication_v1_5::registrationFailed(
+        RadioIndicationType /*type*/,
+        const ::android::hardware::radio::V1_5::CellIdentity& /*cellIdentity*/,
+        const ::android::hardware::hidl_string& /*chosenPlmn*/,
+        ::android::hardware::hidl_bitfield<::android::hardware::radio::V1_5::Domain> /*domain*/,
+        int32_t /*causeCode*/, int32_t /*additionalCauseCode*/) {
+    return Void();
+}