diff --git a/src/com/android/settings/notification/NotificationBackend.java b/src/com/android/settings/notification/NotificationBackend.java
index e448dda20aa..25e37a397f9 100644
--- a/src/com/android/settings/notification/NotificationBackend.java
+++ b/src/com/android/settings/notification/NotificationBackend.java
@@ -413,15 +413,6 @@ public class NotificationBackend {
         }
     }
 
-    public int getBlockedAppCount() {
-        try {
-            return sINM.getBlockedAppCount(UserHandle.myUserId());
-        } catch (Exception e) {
-            Log.w(TAG, "Error calling NoMan", e);
-            return 0;
-        }
-    }
-
     public boolean shouldHideSilentStatusBarIcons(Context context) {
         try {
             return sINM.shouldHideSilentStatusIcons(context.getPackageName());
diff --git a/tests/robotests/src/com/android/settings/notification/ConversationListSummaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/ConversationListSummaryPreferenceControllerTest.java
index e9b610b7e0a..9cfd54e11ff 100644
--- a/tests/robotests/src/com/android/settings/notification/ConversationListSummaryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/ConversationListSummaryPreferenceControllerTest.java
@@ -18,8 +18,6 @@ package com.android.settings.notification;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
@@ -27,8 +25,6 @@ import android.content.Context;
 import android.content.pm.ParceledListSlice;
 import android.service.notification.ConversationChannelWrapper;
 
-import com.android.settings.testutils.shadow.ShadowNotificationBackend;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -42,7 +38,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
-@Config(shadows = ShadowNotificationBackend.class)
 public class ConversationListSummaryPreferenceControllerTest {
 
     private ConversationListSummaryPreferenceController mController;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowNotificationBackend.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowNotificationBackend.java
deleted file mode 100644
index 4e6cbde9b37..00000000000
--- a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowNotificationBackend.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License
- */
-
-package com.android.settings.testutils.shadow;
-
-import com.android.settings.notification.NotificationBackend;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-
-@Implements(NotificationBackend.class)
-public class ShadowNotificationBackend {
-
-    private static int sBlockAppCount;
-
-    @Implementation
-    protected int getBlockedAppCount() {
-        return sBlockAppCount;
-    }
-
-    public static void setBlockedAppCount(int blockAppCount) {
-        sBlockAppCount = blockAppCount;
-    }
-}