diff --git a/lib/icinga/comment.ti b/lib/icinga/comment.ti
index 4bf667f31..9e2a4f09a 100644
--- a/lib/icinga/comment.ti
+++ b/lib/icinga/comment.ti
@@ -18,8 +18,6 @@ code {{{
 enum CommentType
 {
 	CommentUser = 1,
-	CommentDowntime = 2,
-	CommentFlapping = 3,
 	CommentAcknowledgement = 4
 };