diff --git a/userspace/libsinsp/plugin.h b/userspace/libsinsp/plugin.h
index b4f4a672ce..3854287cc1 100644
--- a/userspace/libsinsp/plugin.h
+++ b/userspace/libsinsp/plugin.h
@@ -290,10 +290,6 @@ class sinsp_plugin : public libsinsp::state::sinsp_table_owner {
 	static ss_plugin_rc table_api_add_table(ss_plugin_owner_t* o, const ss_plugin_table_input* in);
 
 	std::shared_ptr<sinsp_thread_pool> m_thread_pool;
-
-	friend class libsinsp::state::base_table;
-	template<typename KeyType>
-	friend class libsinsp::state::built_in_table;
 };
 
 template<typename T>