diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index ce887c0eca56065075d7e4c01188deeac0f64e36..95059f091a242abcfd60bbe9169131e7870e4a2c 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -836,13 +836,11 @@ extern const char *__stop___trace_bprintk_fmt[];
 		     filter)
 #include "trace_entries.h"
 
-#ifdef CONFIG_PERF_EVENTS
 #ifdef CONFIG_FUNCTION_TRACER
 int perf_ftrace_event_register(struct ftrace_event_call *call,
 			       enum trace_reg type, void *data);
 #else
 #define perf_ftrace_event_register NULL
 #endif /* CONFIG_FUNCTION_TRACER */
-#endif /* CONFIG_PERF_EVENTS */
 
 #endif /* _LINUX_KERNEL_TRACE_H */