diff --git a/data/event-schemas/schema/m.room.avatar.yaml b/data/event-schemas/schema/m.room.avatar.yaml
index 7d4b90b15..5c7099fbd 100644
--- a/data/event-schemas/schema/m.room.avatar.yaml
+++ b/data/event-schemas/schema/m.room.avatar.yaml
@@ -12,8 +12,6 @@ properties:
       url:
         description: The URL to the image.
         type: string
-    required:
-      - url
     type: object
   state_key:
     description: A zero-length string.