diff --git a/res/xml/encryption_and_credential.xml b/res/xml/encryption_and_credential.xml
index a84c2a1..be643b1 100644
--- a/res/xml/encryption_and_credential.xml
+++ b/res/xml/encryption_and_credential.xml
@@ -15,7 +15,8 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        android:title="@string/encryption_and_credential_settings_title">
+        android:title="@string/encryption_and_credential_settings_title"
+        android:key="encryption_and_credentials_screen">
 
     <PreferenceCategory android:key="credentials_management"
             android:title="@string/credentials_title"
diff --git a/res/xml/location_scanning.xml b/res/xml/location_scanning.xml
index f82500b..5e7bd24 100644
--- a/res/xml/location_scanning.xml
+++ b/res/xml/location_scanning.xml
@@ -15,7 +15,8 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        android:title="@string/location_scanning_screen_title">
+        android:title="@string/location_scanning_screen_title"
+        android:key="scanning_screen">
 
         <SwitchPreference
             android:title="@string/location_scanning_wifi_always_scanning_title"
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index ec57ed1..736b85c 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -106,6 +106,9 @@
     private static final String KEY_UNIFICATION = "unification";
     @VisibleForTesting
     static final String KEY_LOCKSCREEN_PREFERENCES = "lockscreen_preferences";
+    private static final String KEY_ENCRYPTION_AND_CREDENTIALS = "encryption_and_credential";
+    private static final String KEY_LOCATION_SCANNING  = "location_scanning";
+    private static final String KEY_LOCATION = "location";
 
     private static final int SET_OR_CHANGE_LOCK_METHOD_REQUEST = 123;
     private static final int CHANGE_TRUST_AGENT_SETTINGS = 126;
@@ -939,7 +942,7 @@
 
         @Override
         public List<String> getNonIndexableKeys(Context context) {
-            final List<String> keys = new ArrayList<String>();
+            final List<String> keys = super.getNonIndexableKeys(context);
 
             LockPatternUtils lockPatternUtils = new LockPatternUtils(context);
 
@@ -961,6 +964,14 @@
                 keys.add(KEY_ENTERPRISE_PRIVACY);
             }
 
+            // Duplicate in special app access
+            keys.add(KEY_MANAGE_DEVICE_ADMIN);
+            // Duplicates between parent-child
+            keys.add(KEY_LOCATION);
+            keys.add(KEY_ENCRYPTION_AND_CREDENTIALS);
+            keys.add(KEY_SCREEN_PINNING);
+            keys.add(KEY_LOCATION_SCANNING);
+
             return keys;
         }
     }
diff --git a/tests/robotests/src/com/android/settings/SecuritySettingsTest.java b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
index c636748..e28a594 100644
--- a/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
@@ -21,8 +21,7 @@
 import android.content.IContentProvider;
 import android.content.pm.PackageManager;
 import android.hardware.fingerprint.FingerprintManager;
-import android.os.Bundle;
-import android.provider.Settings;
+import android.os.UserManager;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceGroup;
 import android.support.v7.preference.PreferenceScreen;
@@ -31,33 +30,30 @@
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.notification.LockScreenNotificationPreferenceController;
 import com.android.settings.testutils.FakeFeatureFactory;
-import com.android.settings.testutils.shadow.ShadowSecureSettings;
+import com.android.settings.testutils.XmlTestUtils;
+import com.android.settings.testutils.shadow.ShadowLockPatternUtils;
 import com.android.settingslib.drawer.DashboardCategory;
-import com.android.settingslib.drawer.Tile;
-import com.android.settingslib.drawer.TileUtils;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Answers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 import org.robolectric.shadows.ShadowApplication;
 import org.robolectric.util.ReflectionHelpers;
 
+import java.util.List;
 import java.util.Map;
-import org.robolectric.util.ReflectionHelpers;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
-import static org.mockito.Matchers.isNull;
+import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
@@ -182,4 +178,26 @@
         securitySettings.setLockscreenPreferencesSummary(group);
         verify(preference).setSummary(1234);
     }
+
+    @Test
+    @Config (shadows = {
+            ShadowLockPatternUtils.class,
+    })
+    public void testNonIndexableKeys_existInXmlLayout() {
+        final Context context = spy(RuntimeEnvironment.application);
+        UserManager manager = mock(UserManager.class);
+        when(manager.isAdminUser()).thenReturn(false);
+        doReturn(manager).when(context).getSystemService(Context.USER_SERVICE);
+        final List<String> niks = SecuritySettings.SEARCH_INDEX_DATA_PROVIDER
+                .getNonIndexableKeys(context);
+
+        final List<String> keys = XmlTestUtils.getKeysFromPreferenceXml(context,
+                R.xml.security_settings_misc);
+        keys.addAll(XmlTestUtils.getKeysFromPreferenceXml(context,
+                R.xml.location_settings));
+        keys.addAll(XmlTestUtils.getKeysFromPreferenceXml(context,
+                R.xml.encryption_and_credential));
+
+        assertThat(keys).containsAllIn(niks);
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java
new file mode 100644
index 0000000..b1419ba
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowLockPatternUtils.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 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.internal.widget.LockPatternUtils;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+@Implements(LockPatternUtils.class)
+public class ShadowLockPatternUtils {
+
+    @Implementation
+    public boolean isSecure(int id) {
+        return true;
+    }
+}