diff --git a/tests/mock/sysrepo_subscription.hpp b/tests/mock/sysrepo_subscription.hpp
index 5a2ce82..06ac405 100644
--- a/tests/mock/sysrepo_subscription.hpp
+++ b/tests/mock/sysrepo_subscription.hpp
@@ -41,17 +41,15 @@
     std::shared_ptr<sysrepo::Connection> m_connection;
     std::shared_ptr<sysrepo::Session> m_session;
     std::shared_ptr<YangSchema> m_schema;
-    std::shared_ptr<sysrepo::Callback> m_callback;
     std::shared_ptr<sysrepo::Subscribe> m_subscription;
 };
 
 class OperationalDataSubscription {
 public:
-    OperationalDataSubscription(const std::string& moduleName, const DataSupplier& dataSupplier);
+    OperationalDataSubscription(const std::string& moduleName, const std::string& path, const DataSupplier& dataSupplier);
 private:
     std::shared_ptr<sysrepo::Connection> m_connection;
     std::shared_ptr<sysrepo::Session> m_session;
     std::shared_ptr<YangSchema> m_schema;
     std::shared_ptr<sysrepo::Subscribe> m_subscription;
-    std::shared_ptr<sysrepo::Callback> m_callback;
 };