diff --git a/sytest-blacklist b/sytest-blacklist
index f493f94fe..f42d5f822 100644
--- a/sytest-blacklist
+++ b/sytest-blacklist
@@ -60,4 +60,7 @@ Invited user can reject invite for empty room
 If user leaves room, remote user changes device and rejoins we see update in /sync and /keys/changes
 
 # Blacklisted due to flakiness
-A prev_batch token from incremental sync can be used in the v1 messages API
\ No newline at end of file
+A prev_batch token from incremental sync can be used in the v1 messages API
+
+# Blacklisted due to flakiness
+Forgotten room messages cannot be paginated
\ No newline at end of file
diff --git a/sytest-whitelist b/sytest-whitelist
index 49011b5a3..096a1f15e 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -492,7 +492,6 @@ Inbound federation rejects receipts from wrong remote
 Should not be able to take over the room by pretending there is no PL event
 Can get rooms/{roomId}/state for a departed room (SPEC-216)
 Users cannot set notifications powerlevel higher than their own
-Forgotten room messages cannot be paginated
 Forgetting room does not show up in v2 /sync
 Can forget room you've been kicked from
 Can re-join room if re-invited