diff --git a/source/css/_common/components/post/post-header.styl b/source/css/_common/components/post/post-header.styl
index 2bcbe6f39..ba04ce4ab 100644
--- a/source/css/_common/components/post/post-header.styl
+++ b/source/css/_common/components/post/post-header.styl
@@ -79,7 +79,6 @@
 
   time {
     border-bottom: 1px dashed $grey-dark;
-    cursor: pointer;
   }
 }
 
diff --git a/source/js/utils.js b/source/js/utils.js
index 76d95f690..0a0665b04 100644
--- a/source/js/utils.js
+++ b/source/js/utils.js
@@ -6,14 +6,6 @@ HTMLElement.prototype.wrap = function(wrapper) {
   wrapper.appendChild(this);
 };
 
-// https://caniuse.com/mdn-api_element_classlist_replace
-if (typeof DOMTokenList.prototype.replace !== 'function') {
-  DOMTokenList.prototype.replace = function(remove, add) {
-    this.remove(remove);
-    this.add(add);
-  };
-}
-
 (function() {
   const onPageLoaded = () => document.dispatchEvent(
     new Event('page:loaded', {