diff --git a/DataStructures/SharedMemoryFactory.h b/DataStructures/SharedMemoryFactory.h
index a7c7f1759..ab5b8c9f9 100644
--- a/DataStructures/SharedMemoryFactory.h
+++ b/DataStructures/SharedMemoryFactory.h
@@ -286,7 +286,6 @@ class SharedMemory : boost::noncopyable
   private:
     static void build_key(int id, char *key)
     {
-        OSRMLockFile lock_file;
         sprintf(key, "%s.%d", "osrm.lock", id);
     }