diff --git a/spec/chromium-spec.js b/spec/chromium-spec.js
index 871af98b4d..37030b1252 100644
--- a/spec/chromium-spec.js
+++ b/spec/chromium-spec.js
@@ -1088,10 +1088,6 @@ describe('chromium feature', () => {
       assert.throws(() => {
         window.alert({toString: null})
       }, /Cannot convert object to primitive value/)
-
-      assert.throws(() => {
-        window.alert('message', {toString: 3})
-      }, /Cannot convert object to primitive value/)
     })
   })
 
@@ -1100,10 +1096,6 @@ describe('chromium feature', () => {
       assert.throws(() => {
         window.confirm({toString: null}, 'title')
       }, /Cannot convert object to primitive value/)
-
-      assert.throws(() => {
-        window.confirm('message', {toString: 3})
-      }, /Cannot convert object to primitive value/)
     })
   })