diff --git a/static/js/notifications.js b/static/js/notifications.js
index 8c8ceeaffd..f5269aee51 100644
--- a/static/js/notifications.js
+++ b/static/js/notifications.js
@@ -400,7 +400,7 @@ function should_send_desktop_notification(message) {
     // For streams, send if desktop notifications are enabled for this
     // stream.
     if ((message.type === "stream") &&
-        subs.receives_desktop_notifications(message.stream)) {
+        stream_data.receives_desktop_notifications(message.stream)) {
         return true;
     }
 
@@ -429,7 +429,7 @@ function should_send_desktop_notification(message) {
 function should_send_audible_notification(message) {
     // For streams, ding if sounds are enabled for this stream.
     if ((message.type === "stream") &&
-        subs.receives_audible_notifications(message.stream)) {
+        stream_data.receives_audible_notifications(message.stream)) {
         return true;
     }
 
diff --git a/static/js/stream_data.js b/static/js/stream_data.js
index 39a080e91e..ad7fafbc3a 100644
--- a/static/js/stream_data.js
+++ b/static/js/stream_data.js
@@ -193,6 +193,22 @@ exports.create_sub_from_server_data = function (stream_name, attrs) {
     return sub;
 };
 
+exports.receives_desktop_notifications = function (stream_name) {
+    var sub = exports.get_sub(stream_name);
+    if (sub === undefined) {
+        return false;
+    }
+    return sub.desktop_notifications;
+};
+
+exports.receives_audible_notifications = function (stream_name) {
+    var sub = exports.get_sub(stream_name);
+    if (sub === undefined) {
+        return false;
+    }
+    return sub.audible_notifications;
+};
+
 return exports;
 
 }());
diff --git a/static/js/subs.js b/static/js/subs.js
index d6bca6c11f..9c89462b75 100644
--- a/static/js/subs.js
+++ b/static/js/subs.js
@@ -381,22 +381,6 @@ exports.pin_or_unpin_stream = function (stream_name) {
     }
 };
 
-exports.receives_desktop_notifications = function (stream_name) {
-    var sub = stream_data.get_sub(stream_name);
-    if (sub === undefined) {
-        return false;
-    }
-    return sub.desktop_notifications;
-};
-
-exports.receives_audible_notifications = function (stream_name) {
-    var sub = stream_data.get_sub(stream_name);
-    if (sub === undefined) {
-        return false;
-    }
-    return sub.audible_notifications;
-};
-
 function populate_subscriptions(subs, subscribed) {
     var sub_rows = [];
     subs.sort(function (a, b) {