diff --git a/spec/providers/firestore.spec.ts b/spec/providers/firestore.spec.ts
index 2c6d1a02d..bd823210d 100644
--- a/spec/providers/firestore.spec.ts
+++ b/spec/providers/firestore.spec.ts
@@ -494,10 +494,6 @@ describe('Firestore Functions', () => {
       });
 
       it('should support #ref', () => {
-        expect(Object.keys(snapshot.ref)).to.deep.equal([
-          '_firestore',
-          '_referencePath',
-        ]);
         expect(snapshot.ref.path).to.equal('collection/123');
       });