diff --git a/static/js/directives/ui/logs-view.js b/static/js/directives/ui/logs-view.js
index c2265039a..13b26e0d6 100644
--- a/static/js/directives/ui/logs-view.js
+++ b/static/js/directives/ui/logs-view.js
@@ -1,3 +1,6 @@
+import { LogUsageChart } from '../../graphing';
+
+
 /**
  * Element which displays usage logs for the given entity.
  */
diff --git a/static/js/directives/ui/usage-chart.js b/static/js/directives/ui/usage-chart.js
index 5eb0edfa3..3a65d4c53 100644
--- a/static/js/directives/ui/usage-chart.js
+++ b/static/js/directives/ui/usage-chart.js
@@ -1,3 +1,6 @@
+import { UsageChart } from '../../graphing';
+
+
 /**
  * An element which displays a donut chart, along with warnings if the limit is close to being
  * reached.
diff --git a/static/js/graphing.js b/static/js/graphing.js
index ec62ac378..67fe87d7a 100644
--- a/static/js/graphing.js
+++ b/static/js/graphing.js
@@ -31,8 +31,8 @@ var DEPTH_WIDTH = 140;
 /**
  * Based off of http://mbostock.github.io/d3/talk/20111018/tree.html by Mike Bostock (@mbostock)
  */
-function ImageHistoryTree(namespace, name, images, getTagsForImage, formatComment, formatTime,
-                          formatCommand, opt_tagFilter) {
+export function ImageHistoryTree(namespace, name, images, getTagsForImage, formatComment, formatTime,
+                                 formatCommand, opt_tagFilter) {
 
   /**
    * The namespace of the repo.
@@ -994,7 +994,7 @@ ImageHistoryTree.prototype.dispose = function() {
 /**
  * Based off of http://bl.ocks.org/mbostock/1346410
  */
-function UsageChart() {
+export function UsageChart() {
   this.total_ = null;
   this.count_ = null;
   this.drawn_ = false;
@@ -1106,7 +1106,7 @@ UsageChart.prototype.draw = function(container) {
 /**
  * A chart which displays the last seven days of actions in the account.
  */
-function LogUsageChart(titleMap) {
+export function LogUsageChart(titleMap) {
   this.titleMap_ = titleMap;
   this.colorScale_ = d3.scale.category20();
   this.entryMap_ = {};