diff --git a/health/aidl/default/LinkedCallback.h b/health/aidl/default/LinkedCallback.h
index da494c9..8c9c997 100644
--- a/health/aidl/default/LinkedCallback.h
+++ b/health/aidl/default/LinkedCallback.h
@@ -32,19 +32,10 @@
 class LinkedCallback {
   public:
     // Automatically linkToDeath upon construction with the returned object as the cookie.
-    // service->death_reciepient() should be from CreateDeathRecipient().
-    // Not using a strong reference to |service| to avoid circular reference. The lifetime
-    // of |service| must be longer than this LinkedCallback object.
-    static ::android::base::Result<std::unique_ptr<LinkedCallback>> Make(
+    // The deathRecipient owns the LinkedCallback object and will delete it with
+    // cookie when it's unlinked.
+    static ::android::base::Result<LinkedCallback*> Make(
             std::shared_ptr<Health> service, std::shared_ptr<IHealthInfoCallback> callback);
-
-    // Automatically unlinkToDeath upon destruction. So, it is always safe to reinterpret_cast
-    // the cookie back to the LinkedCallback object.
-    ~LinkedCallback();
-
-    // The wrapped IHealthInfoCallback object.
-    const std::shared_ptr<IHealthInfoCallback>& callback() const { return callback_; }
-
     // On callback died, unreigster it from the service.
     void OnCallbackDied();
 
@@ -55,7 +46,7 @@
     std::shared_ptr<Health> service();
 
     std::weak_ptr<Health> service_;
-    std::shared_ptr<IHealthInfoCallback> callback_;
+    std::weak_ptr<IHealthInfoCallback> callback_;
 };
 
 }  // namespace aidl::android::hardware::health