diff --git a/automotive/evs/1.1/default/EvsEnumerator.cpp b/automotive/evs/1.1/default/EvsEnumerator.cpp
index 0319560..415841c 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.cpp
+++ b/automotive/evs/1.1/default/EvsEnumerator.cpp
@@ -355,6 +355,28 @@
     return pRecord;
 }
 
+// TODO(b/148608401): Add default implementation with dummy data.
+Return<void> EvsEnumerator::getUltrasonicsArrayList(getUltrasonicsArrayList_cb _hidl_cb) {
+    hidl_vec<UltrasonicsArrayDesc> ultrasonicsArrayDesc;
+    _hidl_cb(ultrasonicsArrayDesc);
+    return Void();
+}
+
+// TODO(b/148608401): Add default implementation with dummy data.
+Return<sp<IEvsUltrasonicsArray>> EvsEnumerator::openUltrasonicsArray(
+        const hidl_string& ultrasonicsArrayId) {
+    (void)ultrasonicsArrayId;
+    sp<IEvsUltrasonicsArray> pEvsUltrasonicsArray;
+    return pEvsUltrasonicsArray;
+}
+
+// TODO(b/148608401): Add default implementation with dummy data.
+Return<void> EvsEnumerator::closeUltrasonicsArray(
+        const ::android::sp<IEvsUltrasonicsArray>& evsUltrasonicsArray)  {
+    (void)evsUltrasonicsArray;
+    return Void();
+}
+
 } // namespace implementation
 } // namespace V1_1
 } // namespace evs
diff --git a/automotive/evs/1.1/default/EvsEnumerator.h b/automotive/evs/1.1/default/EvsEnumerator.h
index 9415953..12fd018 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.h
+++ b/automotive/evs/1.1/default/EvsEnumerator.h
@@ -65,6 +65,11 @@
     Return<bool> isHardware() override { return true; }
     Return<void>                getDisplayIdList(getDisplayIdList_cb _list_cb) override;
     Return<sp<IEvsDisplay_1_1>> openDisplay_1_1(uint8_t port) override;
+    Return<void> getUltrasonicsArrayList(getUltrasonicsArrayList_cb _hidl_cb) override;
+    Return<sp<IEvsUltrasonicsArray>> openUltrasonicsArray(
+            const hidl_string& ultrasonicsArrayId) override;
+    Return<void> closeUltrasonicsArray(
+            const ::android::sp<IEvsUltrasonicsArray>& evsUltrasonicsArray) override;
 
     // Implementation details
     EvsEnumerator(sp<IAutomotiveDisplayProxyService> windowService = nullptr);