diff --git a/include/pmu.h b/include/pmu.h
index afe85bb8362d09b40f784089fcaabdc00739029f..bb7cb3ab6b79c2d82baf3e8f6cc4d405b7468998 100644
--- a/include/pmu.h
+++ b/include/pmu.h
@@ -35,14 +35,6 @@ enum PmuEventType {
     ALL_EVENT
 };
 
-enum AggregateType {
-    PER_SYSTEM,
-    PER_CORE,
-    PER_NUMA,
-    PER_SOCKET,
-    PER_THREAD,
-};
-
 enum SpeFilter {
     SPE_FILTER_NONE = 0,
     TS_ENABLE = 1UL << 0,       // enable timestamping with value of generic timer