diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e7a14bb7d7aa..7f8b0c43d2a5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6001,6 +6001,7 @@ struct trace_scratch {
 
 static DEFINE_MUTEX(scratch_mutex);
 
+#ifdef CONFIG_MODULES
 static int save_mod(struct module *mod, void *data)
 {
 	struct trace_array *tr = data;
@@ -6025,6 +6026,12 @@ static int save_mod(struct module *mod, void *data)
 
 	return 0;
 }
+#else
+static int save_mod(struct module *mod, void *data)
+{
+	return 0;
+}
+#endif
 
 static void update_last_data(struct trace_array *tr)
 {