diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
index e61fc828a158ac771b6e09897f78fc8593b3392c..0fd99a9adb916293d91cd80797355b92940906d8 100644
--- a/tools/perf/tests/evsel-roundtrip-name.c
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -22,7 +22,7 @@ static int perf_evsel__roundtrip_cache_name_test(void)
 			for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
 				__perf_evsel__hw_cache_type_op_res_name(type, op, i,
 									name, sizeof(name));
-				err = parse_events(evlist, name, 0);
+				err = parse_events(evlist, name);
 				if (err)
 					ret = err;
 			}
@@ -70,7 +70,7 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names)
                 return -ENOMEM;
 
 	for (i = 0; i < nr_names; ++i) {
-		err = parse_events(evlist, names[i], 0);
+		err = parse_events(evlist, names[i]);
 		if (err) {
 			pr_debug("failed to parse event '%s', err %d\n",
 				 names[i], err);
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index 27860a082381c7ccf30f1db03c8459ffff5e9840..0afd9223bde7181284f27e95d926de9a6000a6ca 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -441,10 +441,10 @@ int test__hists_link(void)
 	if (evlist == NULL)
                 return -ENOMEM;
 
-	err = parse_events(evlist, "cpu-clock", 0);
+	err = parse_events(evlist, "cpu-clock");
 	if (err)
 		goto out;
-	err = parse_events(evlist, "task-clock", 0);
+	err = parse_events(evlist, "task-clock");
 	if (err)
 		goto out;
 
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index e7eb708da32c795123c1f15b2632c33d604a4df4..337424d02e536fb8d823e9e9d707fea640b2c618 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1018,7 +1018,7 @@ static int test_event(struct test__event_st *e)
 	if (evlist == NULL)
 		return -ENOMEM;
 
-	ret = parse_events(evlist, e->name, 0);
+	ret = parse_events(evlist, e->name);
 	if (ret) {
 		pr_debug("failed to parse event '%s', err %d\n",
 			 e->name, ret);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 626c120f00da0a58f159c964773a5e2a0c3c4903..d3bf570a70841e92f03e8269082e0dfbb6ab6d93 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -872,8 +872,7 @@ int parse_events_terms(struct list_head *terms, const char *str)
 	return ret;
 }
 
-int parse_events(struct perf_evlist *evlist, const char *str,
-		 int unset __maybe_unused)
+int parse_events(struct perf_evlist *evlist, const char *str)
 {
 	struct parse_events_data__events data = {
 		.list = LIST_HEAD_INIT(data.list),
@@ -900,7 +899,7 @@ int parse_events_option(const struct option *opt, const char *str,
 			int unset __maybe_unused)
 {
 	struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
-	int ret = parse_events(evlist, str, unset);
+	int ret = parse_events(evlist, str);
 
 	if (ret) {
 		fprintf(stderr, "invalid or unsupported event: '%s'\n", str);
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index b7af80b8bdda188842a35d81e0a66e4d01a18c4c..7c5244fa08855832d8ffd88e729015e75e37690d 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -29,8 +29,7 @@ const char *event_type(int type);
 
 extern int parse_events_option(const struct option *opt, const char *str,
 			       int unset);
-extern int parse_events(struct perf_evlist *evlist, const char *str,
-			int unset);
+extern int parse_events(struct perf_evlist *evlist, const char *str);
 extern int parse_events_terms(struct list_head *terms, const char *str);
 extern int parse_filter(const struct option *opt, const char *str, int unset);