diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index 0c100958c642aa73f4aadcde6eb3eec6953cf1b4..a431748ddd6e34ee91f990bc525c2893e80a1841 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -116,15 +116,6 @@ FTRACE_ENTRY(funcgraph_exit, ftrace_graph_ret_entry,
 	__field(	unsigned char,	next_state	)	\
 	__field(	unsigned int,	next_cpu	)
 
-#if 0
-FTRACE_ENTRY_STRUCT_ONLY(ctx_switch_entry,
-
-	F_STRUCT(
-		FTRACE_CTX_FIELDS
-	)
-);
-#endif
-
 FTRACE_ENTRY(context_switch, ctx_switch_entry,
 
 	TRACE_CTX,
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 2435d55947e61f2034c9140c75fa73e034cceba6..9753fcc61bc55b4577527f1ef8ef4853cba7406f 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -209,32 +209,6 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call)	\
 #undef __dynamic_array
 #define __dynamic_array(type, item)
 
-
-#undef TRACE_ZERO_CHAR
-#define TRACE_ZERO_CHAR(arg)
-
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign)\
-	entry->item = assign;
-
-#undef TRACE_FIELD
-#define TRACE_FIELD(type, item, assign)\
-	entry->item = assign;
-
-#undef TRACE_FIELD_SIGN
-#define TRACE_FIELD_SIGN(type, item, assign, is_signed)	\
-	TRACE_FIELD(type, item, assign)
-
-#undef TP_CMD
-#define TP_CMD(cmd...)	cmd
-
-#undef TRACE_ENTRY
-#define TRACE_ENTRY	entry
-
-#undef TRACE_FIELD_SPECIAL
-#define TRACE_FIELD_SPECIAL(type_item, item, len, cmd)	\
-	cmd;
-
 #undef FTRACE_ENTRY
 #define FTRACE_ENTRY(call, struct_name, type, tstruct, print)		\
 static int ftrace_raw_init_event_##call(void);				\