diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index b1e58d3..81698d5 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -246,6 +246,9 @@
 int parse_header_page(char *buf, unsigned long size);
 int trace_parse_common_type(void *data);
 int trace_parse_common_pid(void *data);
+int parse_common_pc(void *data);
+int parse_common_flags(void *data);
+int parse_common_lock_depth(void *data);
 struct event *trace_find_event(int id);
 struct event *trace_find_next_event(struct event *event);
 unsigned long long read_size(void *ptr, int size);