diff --git a/core/api/current.txt b/core/api/current.txt
index 46989a44a8998..7ddf0b1c57cc2 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -33212,6 +33212,7 @@ package android.os {
     field public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts";
     field public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials";
     field public static final String DISALLOW_CONFIG_DATE_TIME = "no_config_date_time";
+    field public static final String DISALLOW_CONFIG_DEFAULT_APPS = "disallow_config_default_apps";
     field public static final String DISALLOW_CONFIG_LOCALE = "no_config_locale";
     field public static final String DISALLOW_CONFIG_LOCATION = "no_config_location";
     field public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks";
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index 0e4c2b2928d6e..b016c7815ae7f 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -1471,6 +1471,21 @@ public class UserManager {
      */
     public static final String DISALLOW_BIOMETRIC = "disallow_biometric";
 
+    /**
+     * Specifies whether the user is allowed to modify default apps in settings.
+     *
+     * <p>This restriction can be set by device or profile owner.
+     *
+     * <p>The default value is <code>false</code>.
+     *
+     * <p>Key for user restrictions.
+     * <p>Type: Boolean
+     * @see DevicePolicyManager#addUserRestriction(ComponentName, String)
+     * @see DevicePolicyManager#clearUserRestriction(ComponentName, String)
+     * @see #getUserRestrictions()
+     */
+    public static final String DISALLOW_CONFIG_DEFAULT_APPS = "disallow_config_default_apps";
+
     /**
      * Application restriction key that is used to indicate the pending arrival
      * of real restrictions for the app.
diff --git a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
index 27d74d517fb94..214fd617c9991 100644
--- a/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
+++ b/services/core/java/com/android/server/pm/UserRestrictionsUtils.java
@@ -149,7 +149,8 @@ public class UserRestrictionsUtils {
             UserManager.DISALLOW_WIFI_DIRECT,
             UserManager.DISALLOW_ADD_WIFI_CONFIG,
             UserManager.DISALLOW_CELLULAR_2G,
-            UserManager.DISALLOW_ULTRA_WIDEBAND_RADIO
+            UserManager.DISALLOW_ULTRA_WIDEBAND_RADIO,
+            UserManager.DISALLOW_CONFIG_DEFAULT_APPS
     });
 
     public static final Set<String> DEPRECATED_USER_RESTRICTIONS = Sets.newArraySet(