diff --git a/api/client-server/sync.yaml b/api/client-server/sync.yaml
index bf8047920e..1bbe754903 100644
--- a/api/client-server/sync.yaml
+++ b/api/client-server/sync.yaml
@@ -379,7 +379,6 @@ paths:
                       "state": {
                         "events": [
                           {
-                            "room_id": "!726s6s6q:example.com",
                             "$ref": "definitions/event-schemas/examples/m.room.member"
                           }
                         ]
@@ -387,11 +386,9 @@ paths:
                       "timeline": {
                         "events": [
                           {
-                            "room_id": "!726s6s6q:example.com",
                             "$ref": "definitions/event-schemas/examples/m.room.member"
                           },
                           {
-                            "room_id": "!726s6s6q:example.com",
                             "$ref": "definitions/event-schemas/examples/m.room.message$m.text"
                           }
                         ],
diff --git a/changelogs/client_server/newsfragments/2629.clarification b/changelogs/client_server/newsfragments/2629.clarification
new file mode 100644
index 0000000000..07fc430e53
--- /dev/null
+++ b/changelogs/client_server/newsfragments/2629.clarification
@@ -0,0 +1 @@
+Remove ``room_id`` from ``/sync`` examples.