diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 7102084dd3aa..0520aa9fe991 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1417,11 +1417,6 @@ bool is_pmu_core(const char *name)
 	return !strcmp(name, "cpu") || is_sysfs_pmu_core(name);
 }
 
-bool is_pmu_hybrid(const char *name)
-{
-	return !strcmp(name, "cpu_atom") || !strcmp(name, "cpu_core");
-}
-
 bool perf_pmu__supports_legacy_cache(const struct perf_pmu *pmu)
 {
 	return pmu->is_core;
@@ -1429,7 +1424,7 @@ bool perf_pmu__supports_legacy_cache(const struct perf_pmu *pmu)
 
 bool perf_pmu__auto_merge_stats(const struct perf_pmu *pmu)
 {
-	return !is_pmu_hybrid(pmu->name);
+	return pmu->is_core && perf_pmus__num_core_pmus() > 1;
 }
 
 bool perf_pmu__have_event(const struct perf_pmu *pmu, const char *name)
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 02fec0a7d4c8..287f593b15c7 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -221,7 +221,6 @@ int perf_pmu__format_parse(int dirfd, struct list_head *head);
 void perf_pmu__del_formats(struct list_head *formats);
 
 bool is_pmu_core(const char *name);
-bool is_pmu_hybrid(const char *name);
 bool perf_pmu__supports_legacy_cache(const struct perf_pmu *pmu);
 bool perf_pmu__auto_merge_stats(const struct perf_pmu *pmu);
 bool perf_pmu__have_event(const struct perf_pmu *pmu, const char *name);