diff --git a/inject.js b/inject.js
index 93e1e6b..dee90c0 100644
--- a/inject.js
+++ b/inject.js
@@ -156,11 +156,6 @@ chrome.extension.sendMessage({}, function(response) {
           this.parent.parentElement.insertBefore(fragment, this.parent);
           break;
 
-        case (location.hostname == 'www.facebook.com'):
-          // set stacking context to same as parent's parent.
-          // + default fallthrough
-          this.parent.style.zIndex = 'auto';
-
         default:
           // Note: when triggered via a MutationRecord, it's possible that the
           // target is not the immediate parent. This appends the controller as