diff --git a/src/com/android/settings/applications/assist/DefaultAssistPicker.java b/src/com/android/settings/applications/assist/DefaultAssistPicker.java
index 20428d72f48..f1b32691b22 100644
--- a/src/com/android/settings/applications/assist/DefaultAssistPicker.java
+++ b/src/com/android/settings/applications/assist/DefaultAssistPicker.java
@@ -16,6 +16,7 @@
 
 package com.android.settings.applications.assist;
 
+import android.app.ActivityManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -38,6 +39,8 @@ import com.android.settingslib.widget.CandidateInfo;
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.VisibleForTesting;
+
 public class DefaultAssistPicker extends DefaultAppPickerFragment {
 
     private static final String TAG = "DefaultAssistPicker";
@@ -45,9 +48,12 @@ public class DefaultAssistPicker extends DefaultAppPickerFragment {
             new Intent(VoiceInteractionService.SERVICE_INTERFACE);
     private static final Intent ASSIST_ACTIVITY_PROBE =
             new Intent(Intent.ACTION_ASSIST);
-    private final List<Info> mAvailableAssistants = new ArrayList<>();
+
+    @VisibleForTesting
+    final List<Info> mAvailableAssistants = new ArrayList<>();
 
     private AssistUtils mAssistUtils;
+    private ActivityManager mActivityManager;
 
     @Override
     public int getMetricsCategory() {
@@ -63,6 +69,7 @@ public class DefaultAssistPicker extends DefaultAppPickerFragment {
     public void onAttach(Context context) {
         super.onAttach(context);
         mAssistUtils = new AssistUtils(context);
+        mActivityManager = context.getSystemService(ActivityManager.class);
     }
 
     @Override
@@ -132,7 +139,11 @@ public class DefaultAssistPicker extends DefaultAppPickerFragment {
         return mAssistUtils.getAssistComponentForUser(mUserId);
     }
 
-    private void addAssistServices() {
+    @VisibleForTesting
+    void addAssistServices() {
+        if (mActivityManager.isLowRamDevice()) {
+            return;
+        }
         final List<ResolveInfo> services = mPm.queryIntentServices(
                 ASSIST_SERVICE_PROBE, PackageManager.GET_META_DATA);
         for (ResolveInfo resolveInfo : services) {
diff --git a/tests/robotests/src/com/android/settings/applications/assist/DefaultAssistPickerTest.java b/tests/robotests/src/com/android/settings/applications/assist/DefaultAssistPickerTest.java
index 0ccba4d6ad2..8fcb31629e2 100644
--- a/tests/robotests/src/com/android/settings/applications/assist/DefaultAssistPickerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/assist/DefaultAssistPickerTest.java
@@ -20,6 +20,7 @@ import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 
+import android.app.ActivityManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.provider.Settings;
@@ -31,6 +32,8 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadow.api.Shadow;
+import org.robolectric.shadows.ShadowActivityManager;
 import org.robolectric.util.ReflectionHelpers;
 
 import java.util.ArrayList;
@@ -48,10 +51,12 @@ public class DefaultAssistPickerTest {
 
     private Context mContext;
     private DefaultAssistPicker mPicker;
+    private ShadowActivityManager mShadowActivityManager;
 
     @Before
     public void setUp() {
         mContext = RuntimeEnvironment.application;
+        mShadowActivityManager = Shadow.extract(mContext.getSystemService(ActivityManager.class));
         mPicker = spy(new DefaultAssistPicker());
         mPicker.onAttach(mContext);
         doReturn(mContext).when(mPicker).getContext();
@@ -71,7 +76,7 @@ public class DefaultAssistPickerTest {
     }
 
     @Test
-    public void setDefaultAppKey_noAvaialbleAssit_shouldClearDefaultAssist() {
+    public void setDefaultAppKey_noAvailableAssist_shouldClearDefaultAssist() {
         final List<DefaultAssistPicker.Info> assistants = new ArrayList<>();
         ReflectionHelpers.setField(mPicker, "mAvailableAssistants", assistants);
         mPicker.setDefaultKey(sTestAssist.flattenToString());
@@ -94,4 +99,12 @@ public class DefaultAssistPickerTest {
                 .isEmpty();
         assertThat(mPicker.getDefaultKey()).isNull();
     }
+
+    @Test
+    public void addAssistService_lowRamDevice_shouldDoNothing() {
+        mShadowActivityManager.setIsLowRamDevice(true);
+        mPicker.addAssistServices();
+
+        assertThat(mPicker.mAvailableAssistants).hasSize(0);
+    }
 }