diff --git a/src/main.js b/src/main.js
index 5ae63804a..bfd2dcb35 100644
--- a/src/main.js
+++ b/src/main.js
@@ -154,7 +154,6 @@ define([
     'vellum/saveToCase',
     'vellum/uploader',
     'vellum/window',
-    'vellum/polyfills',
     'vellum/copy-paste',
     'vellum/commander',
     'vellum/commcareConnect',
diff --git a/src/polyfills.js b/src/polyfills.js
deleted file mode 100644
index 12e400a5e..000000000
--- a/src/polyfills.js
+++ /dev/null
@@ -1,29 +0,0 @@
-define(function () {
-    if (!String.prototype.startsWith) {
-      Object.defineProperty(String.prototype, 'startsWith', {
-        enumerable: false,
-        configurable: false,
-        writable: false,
-        value: function(searchString, position) {
-          position = position || 0;
-          return this.lastIndexOf(searchString, position) === position;
-        }
-      });
-    }
-    if (!String.prototype.endsWith) {
-      Object.defineProperty(String.prototype, 'endsWith', {
-        enumerable: false,
-        configurable: false,
-        writable: false,
-        value: function(searchString, position) {
-          var subjectString = this.toString();
-          if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {
-            position = subjectString.length;
-          }
-          position -= searchString.length;
-          var lastIndex = subjectString.indexOf(searchString, position);
-          return lastIndex !== -1 && lastIndex === position;
-        }
-      });
-    }
-});