diff --git a/test/unit/dom-bind.html b/test/unit/dom-bind.html
index 74e3b369ff..2e7c2a6dd8 100644
--- a/test/unit/dom-bind.html
+++ b/test/unit/dom-bind.html
@@ -155,10 +155,6 @@
       });
 
       test('move dom-bind', function() {
-        domBind.parentElement.removeChild(domBind);
-        // TODO(kschaaf): detached/attached not called if takeRecords isn't
-        // called between remove & insert on polyfill... See wcjs #311.
-        CustomElements.takeRecords();
         container.appendChild(domBind);
         CustomElements.takeRecords();
         assert.equal(container.firstElementChild, el1);
diff --git a/test/unit/dom-repeat.html b/test/unit/dom-repeat.html
index c05af5569b..bba56776b5 100644
--- a/test/unit/dom-repeat.html
+++ b/test/unit/dom-repeat.html
@@ -455,12 +455,6 @@ <h4>inDocumentRepeater</h4>
 
       test('move to different container', function() {
         var repeater = inDocumentRepeater;
-        Polymer.dom(repeater.parentElement).removeChild(repeater);
-        // TODO(kschaaf): detached/attached not called if takeRecords isn't
-        // called between remove & insert on polyfill... See wcjs #311.
-        CustomElements.takeRecords();
-        CustomElements.takeRecords();
-        CustomElements.takeRecords();
         Polymer.dom(inDocumentContainer).appendChild(repeater);
         CustomElements.takeRecords();
         CustomElements.takeRecords();