diff --git a/include/transport/protocol.proto b/include/transport/protocol.proto
index 4e47ea6a3ddcb384c4948312966aa6050330c308..796b656c3dbfb59ca17b977fd7be347d5051359b 100644
--- a/include/transport/protocol.proto
+++ b/include/transport/protocol.proto
@@ -95,10 +95,6 @@ enum ParticipantFlag {
 	PARTICIPANT_FLAG_NOT_AUTHORIZED = 8;
 	PARTICIPANT_FLAG_ME = 16;
 	PARTICIPANT_FLAG_KICKED = 32;
-	PARTICIPANT_FLAG_VISITOR = 64;
-	PARTICIPANT_FLAG_MEMBER = 128;
-	PARTICIPANT_FLAG_ADMIN = 256;
-	PARTICIPANT_FLAG_OWNER = 512;
 }
 
 message Participant {