--- a/mobile/android/thirdparty/com/leanplum/Leanplum.java
+++ b/mobile/android/thirdparty/com/leanplum/Leanplum.java
@@ -1016,17 +1016,17 @@ public class Leanplum {
   private static void resumeHeartbeat() {
     startHeartbeat();
   }
 
   /**
    * Call this to explicitly end the session. This should not be used in most cases, so we won't
    * make it public for now.
    */
-  public static void stop() {
+  static void stop() {
     if (Constants.isNoop()) {
       return;
     }
     if (!LeanplumInternal.hasCalledStart()) {
       Log.e("You cannot call stop before calling start");
       return;
     }