diff --git a/spec/schemas/_common.query_dsl.yaml b/spec/schemas/_common.query_dsl.yaml
index c4852c848..c98fa14f5 100644
--- a/spec/schemas/_common.query_dsl.yaml
+++ b/spec/schemas/_common.query_dsl.yaml
@@ -984,9 +984,7 @@ components:
         - all
         - none
     MatchAllQuery:
-      allOf:
-        - $ref: '#/components/schemas/QueryBase'
-        - type: object
+      $ref: '#/components/schemas/QueryBase'
     MatchBoolPrefixQuery:
       allOf:
         - $ref: '#/components/schemas/QueryBase'