diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index 463b0073629a..a5c5f34c207a 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -858,8 +858,10 @@ static int synth_event_reg(struct trace_event_call *call,
 	struct synth_event *event = container_of(call, struct synth_event, call);
 
 	switch (type) {
-	case TRACE_REG_REGISTER:
+#ifdef CONFIG_PERF_EVENTS
 	case TRACE_REG_PERF_REGISTER:
+#endif
+	case TRACE_REG_REGISTER:
 		if (!try_module_get(event->mod))
 			return -EBUSY;
 		break;
@@ -870,8 +872,10 @@ static int synth_event_reg(struct trace_event_call *call,
 	int ret = trace_event_reg(call, type, data);
 
 	switch (type) {
-	case TRACE_REG_UNREGISTER:
+#ifdef CONFIG_PERF_EVENTS
 	case TRACE_REG_PERF_UNREGISTER:
+#endif
+	case TRACE_REG_UNREGISTER:
 		module_put(event->mod);
 		break;
 	default: