diff --git a/static/js/setup.js b/static/js/setup.js
index fe9489eb16..0b51c2b072 100644
--- a/static/js/setup.js
+++ b/static/js/setup.js
@@ -36,4 +36,16 @@ $(function () {
         // zxcvbn.js is pretty big, and is only needed on password change, so load it asynchronously.
         $.getScript('/static/third/zxcvbn/zxcvbn.js');
     }
+
+    if (typeof $ !== 'undefined') {
+        $.fn.expectOne = function () {
+            if (blueslip && this.length !== 1) {
+                blueslip.error("Expected one element in jQuery set, " + this.length + " found");
+            }
+            return this;
+        };
+    }
+
 });
+
+
diff --git a/static/js/util.js b/static/js/util.js
index a80b6d3e10..2f5d1de9f8 100644
--- a/static/js/util.js
+++ b/static/js/util.js
@@ -241,15 +241,6 @@ exports.enforce_arity = function util_enforce_arity(func) {
     };
 };
 
-if (typeof $ !== 'undefined') {
-    $.fn.expectOne = function () {
-        if (blueslip && this.length !== 1) {
-            blueslip.error("Expected one element in jQuery set, " + this.length + " found");
-        }
-        return this;
-    };
-}
-
 exports.execute_early = function (func) {
     if (page_params.test_suite) {
         $(document).one('phantom_page_loaded', func);
diff --git a/zerver/tests/frontend/node/util.js b/zerver/tests/frontend/node/util.js
index 20bcbb7e3d..1d23e6320c 100644
--- a/zerver/tests/frontend/node/util.js
+++ b/zerver/tests/frontend/node/util.js
@@ -2,8 +2,6 @@ add_dependencies({
     util: 'js/util.js'
 });
 
-set_global('$', {});
-
 var util = global.util;
 
 (function test_CachedValue() {