diff --git a/repos/base/include/util/list_model.h b/repos/base/include/util/list_model.h
index 7c18651cf4..8121d769d2 100644
--- a/repos/base/include/util/list_model.h
+++ b/repos/base/include/util/list_model.h
@@ -216,7 +216,7 @@ struct Genode::List_model<ELEM>::Update_policy
 	 * This method allows the policy to disregard certain XML node types from
 	 * building the data model.
 	 */
-	static bool node_is_element(Xml_node node) { return true; }
+	static bool node_is_element(Xml_node) { return true; }
 };
 
 #endif /* _INCLUDE__UTIL__LIST_MODEL_H_ */