diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 308bafd..fa8ce03 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -254,7 +254,7 @@
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(call, proto, args, tstruct, assign, print)		\
-enum print_line_t							\
+static enum print_line_t						\
 ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 {									\
 	struct trace_seq *s = &iter->seq;				\
@@ -317,7 +317,7 @@
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(call, proto, args, tstruct, func, print)		\
-int									\
+static int								\
 ftrace_define_fields_##call(struct ftrace_event_call *event_call)	\
 {									\
 	struct ftrace_raw_##call field;					\
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index adbed12..0fa8f9f 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1154,7 +1154,7 @@
 }
 #endif /* CONFIG_MODULES */
 
-struct notifier_block trace_module_nb = {
+static struct notifier_block trace_module_nb = {
 	.notifier_call = trace_module_notify,
 	.priority = 0,
 };