diff --git a/services/core/java/com/android/server/notification/PreferencesHelper.java b/services/core/java/com/android/server/notification/PreferencesHelper.java
index d5d5308015c75..c6cb3c0d2ab74 100644
--- a/services/core/java/com/android/server/notification/PreferencesHelper.java
+++ b/services/core/java/com/android/server/notification/PreferencesHelper.java
@@ -97,7 +97,7 @@ public class PreferencesHelper implements RankingConfig {
     private static final String NON_BLOCKABLE_CHANNEL_DELIM = ":";
 
     @VisibleForTesting
-    static final int NOTIFICATION_CHANNEL_COUNT_LIMIT = 50000;
+    static final int NOTIFICATION_CHANNEL_COUNT_LIMIT = 5000;
 
     private static final int NOTIFICATION_PREFERENCES_PULL_LIMIT = 1000;
     private static final int NOTIFICATION_CHANNEL_PULL_LIMIT = 2000;