diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 8b25b964d6962..c4f675f15fa91 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -107,6 +107,7 @@ static void free_list_evsel(struct list_head* list_evsel)
 %type <list_evsel> groups
 %destructor { free_list_evsel ($$); } <list_evsel>
 %type <tracepoint_name> tracepoint_name
+%destructor { free ($$.sys); free ($$.event); } <tracepoint_name>
 %type <hardware_term> PE_TERM_HW
 %destructor { free ($$.str); } <hardware_term>