diff --git a/libs/binder/include/private/binder/binder_module.h b/libs/binder/include/private/binder/binder_module.h
index 5a719b8..1579199 100644
--- a/libs/binder/include/private/binder/binder_module.h
+++ b/libs/binder/include/private/binder/binder_module.h
@@ -88,10 +88,6 @@
 };
 #endif //BINDER_GET_FROZEN_INFO
 
-enum transaction_flags_ext {
-    TF_CLEAR_BUF = 0x20, /* clear buffer on txn complete */
-};
-
 #ifdef __cplusplus
 }   // namespace android
 #endif