diff --git a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
index fe1d81c17c1..b7232744365 100644
--- a/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
+++ b/src/com/android/settings/applications/appinfo/ExternalSourcesDetails.java
@@ -18,7 +18,6 @@ package com.android.settings.applications.appinfo;
 import static android.app.Activity.RESULT_CANCELED;
 import static android.app.Activity.RESULT_OK;
 
-import android.app.ActivityManager;
 import android.app.AppOpsManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
@@ -30,7 +29,6 @@ import androidx.appcompat.app.AlertDialog;
 import androidx.preference.Preference;
 import androidx.preference.Preference.OnPreferenceChangeListener;
 
-import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
 import com.android.settings.Settings;
 import com.android.settings.applications.AppInfoWithHeader;
@@ -46,7 +44,6 @@ public class ExternalSourcesDetails extends AppInfoWithHeader
 
     private AppStateInstallAppsBridge mAppBridge;
     private AppOpsManager mAppOpsManager;
-    private ActivityManager mActivityManager;
     private UserManager mUserManager;
     private RestrictedSwitchPreference mSwitchPref;
     private InstallAppsState mInstallAppsState;
@@ -58,7 +55,6 @@ public class ExternalSourcesDetails extends AppInfoWithHeader
         final Context context = getActivity();
         mAppBridge = new AppStateInstallAppsBridge(context, mState, null);
         mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
-        mActivityManager = context.getSystemService(ActivityManager.class);
         mUserManager = UserManager.get(context);
 
         addPreferencesFromResource(R.xml.external_sources_details);
@@ -103,21 +99,10 @@ public class ExternalSourcesDetails extends AppInfoWithHeader
                 : R.string.app_permission_summary_not_allowed);
     }
 
-    @VisibleForTesting
-    void setCanInstallApps(boolean newState) {
+    private void setCanInstallApps(boolean newState) {
         mAppOpsManager.setMode(AppOpsManager.OP_REQUEST_INSTALL_PACKAGES,
                 mPackageInfo.applicationInfo.uid, mPackageName,
                 newState ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_ERRORED);
-        if (!newState) {
-            killApp(mPackageInfo.applicationInfo.uid);
-        }
-    }
-
-    private void killApp(int uid) {
-        if (UserHandle.isCore(uid)) {
-            return;
-        }
-        mActivityManager.killUid(uid, "User denied OP_REQUEST_INSTALL_PACKAGES");
     }
 
     @Override
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourcesDetailsTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourcesDetailsTest.java
index 002a0bc5350..10c2675be82 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourcesDetailsTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/ExternalSourcesDetailsTest.java
@@ -19,17 +19,11 @@ package com.android.settings.applications.appinfo;
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-import android.app.ActivityManager;
-import android.app.AppOpsManager;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.pm.ApplicationInfo;
@@ -61,10 +55,6 @@ public class ExternalSourcesDetailsTest {
     @Mock
     private UserManager mUserManager;
     @Mock
-    private ActivityManager mActivityManager;
-    @Mock
-    private AppOpsManager mAppOpsManager;
-    @Mock
     private RestrictedSwitchPreference mSwitchPref;
     @Mock
     private RestrictedPreferenceHelper mHelper;
@@ -79,46 +69,9 @@ public class ExternalSourcesDetailsTest {
 
         mFragment = new ExternalSourcesDetails();
         ReflectionHelpers.setField(mFragment, "mUserManager", mUserManager);
-        ReflectionHelpers.setField(mFragment, "mActivityManager", mActivityManager);
-        ReflectionHelpers.setField(mFragment, "mAppOpsManager", mAppOpsManager);
         ReflectionHelpers.setField(mFragment, "mSwitchPref", mSwitchPref);
     }
 
-    @Test
-    public void setCanInstallApps_false_shouldKillNonCoreUid() {
-        int mockUid = 23456;
-        ReflectionHelpers.setField(mFragment, "mPackageInfo", mPackageInfo);
-
-        mPackageInfo.applicationInfo = new ApplicationInfo();
-        mPackageInfo.applicationInfo.uid = mockUid;
-        assertThat(UserHandle.isCore(mockUid)).isFalse();
-        mFragment.setCanInstallApps(false);
-        verify(mActivityManager).killUid(eq(mockUid), anyString());
-    }
-
-    @Test
-    public void setCanInstallApps_false_shouldNotKillCoreUid() {
-        int mockUid = 1234;
-        ReflectionHelpers.setField(mFragment, "mPackageInfo", mPackageInfo);
-
-        mPackageInfo.applicationInfo = new ApplicationInfo();
-        mPackageInfo.applicationInfo.uid = mockUid;
-        assertThat(UserHandle.isCore(mockUid)).isTrue();
-        mFragment.setCanInstallApps(false);
-        verify(mActivityManager, never()).killUid(eq(mockUid), anyString());
-    }
-
-    @Test
-    public void setCanInstallApps_true_shouldNotKillUid() {
-        int mockUid = 23456;
-        ReflectionHelpers.setField(mFragment, "mPackageInfo", mPackageInfo);
-
-        mPackageInfo.applicationInfo = new ApplicationInfo();
-        mPackageInfo.applicationInfo.uid = mockUid;
-        mFragment.setCanInstallApps(true);
-        verify(mActivityManager, never()).killUid(eq(mockUid), anyString());
-    }
-
     @Test
     public void refreshUi_noPackageInfo_shouldReturnFalseAndNoCrash() {
         mFragment.refreshUi();