diff --git a/res/xml/mobile_network_settings.xml b/res/xml/mobile_network_settings.xml
index 62a88b7..8b59f80 100644
--- a/res/xml/mobile_network_settings.xml
+++ b/res/xml/mobile_network_settings.xml
@@ -37,6 +37,7 @@
         <ListPreference
             android:key="calls_preference"
             android:title="@string/calls_preference"
+            android:summary="@string/summary_placeholder"
             android:enabled="false"
             settings:controller="com.android.settings.network.telephony.CallsDefaultSubscriptionController"
             settings:allowDividerAbove="true"/>
@@ -44,6 +45,7 @@
         <ListPreference
             android:key="sms_preference"
             android:title="@string/sms_preference"
+            android:summary="@string/summary_placeholder"
             android:enabled="false"
             settings:controller="com.android.settings.network.telephony.SmsDefaultSubscriptionController"/>
 
diff --git a/src/com/android/settings/network/telephony/DefaultSubscriptionController.java b/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
index 206b3a9..8426382 100644
--- a/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
+++ b/src/com/android/settings/network/telephony/DefaultSubscriptionController.java
@@ -112,8 +112,6 @@
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
         mPreference = screen.findPreference(getPreferenceKey());
-        // Set a summary placeholder to reduce flicker.
-        mPreference.setSummaryProvider(pref -> mContext.getString(R.string.summary_placeholder));
         updateEntries();
     }