diff --git a/modules/util/curtain.js b/modules/ui/curtain.js
similarity index 94%
rename from modules/util/curtain.js
rename to modules/ui/curtain.js
index a3edcae05..b6155266f 100644
--- a/modules/util/curtain.js
+++ b/modules/ui/curtain.js
@@ -1,14 +1,12 @@
 import * as d3 from 'd3';
-import { utilGetDimensions } from './dimensions';
-import { utilRebind } from './rebind';
-import { uiToggle } from '../ui/toggle';
+import { utilGetDimensions } from '../util/dimensions';
+import { uiToggle } from './toggle';
 
 
 // Tooltips and svg mask used to highlight certain features
-export function d3curtain() {
+export function uiCurtain() {
 
-    var dispatch = d3.dispatch(),
-        surface = d3.select(null),
+    var surface = d3.select(null),
         tooltip = d3.select(null),
         darkness = d3.select(null);
 
@@ -145,8 +143,9 @@ export function d3curtain() {
     curtain.remove = function() {
         surface.remove();
         tooltip.remove();
+        d3.select(window).on('resize.curtain', null);
     };
 
 
-    return utilRebind(curtain, dispatch, 'on');
+    return curtain;
 }
diff --git a/modules/ui/index.js b/modules/ui/index.js
index 9ad44eb4f..76dd5fd31 100644
--- a/modules/ui/index.js
+++ b/modules/ui/index.js
@@ -7,6 +7,7 @@ export { uiCommit } from './commit';
 export { uiConfirm } from './confirm';
 export { uiConflicts } from './conflicts';
 export { uiContributors } from './contributors';
+export { uiCurtain } from './curtain';
 export { uiDisclosure } from './disclosure';
 export { uiEditMenu } from './edit_menu';
 export { uiEntityEditor } from './entity_editor';
diff --git a/modules/ui/intro/intro.js b/modules/ui/intro/intro.js
index 06a15cf57..2203d7ea9 100644
--- a/modules/ui/intro/intro.js
+++ b/modules/ui/intro/intro.js
@@ -1,10 +1,10 @@
 import * as d3 from 'd3';
 import { t } from '../../util/locale';
 import { coreGraph } from '../../core/graph';
-import { modeBrowse } from '../../modes/index';
+import { modeBrowse } from '../../modes/browse';
 import { osmEntity } from '../../osm/entity';
-import { d3curtain } from '../../util/curtain';
 import { dataIntroGraph } from '../../../data/intro_graph.json';
+import { uiCurtain } from '../curtain';
 
 import { uiIntroNavigation } from './navigation';
 import { uiIntroPoint } from './point';
@@ -104,25 +104,14 @@ export function uiIntro(context) {
         // Load semi-real data used in intro
         context.connection().toggle(false).reset();
         context.history().reset();
-
         context.history().merge(d3.values(coreGraph().load(introGraph).entities));
         context.background().bing();
 
         d3.selectAll('#map .layer-background').style('opacity', 1);
 
-        var curtain = d3curtain();
+        var curtain = uiCurtain();
         selection.call(curtain);
 
-
-        function reveal(box, text, options) {
-            options = options || {};
-            curtain.reveal(box,
-                text || '',
-                options.tooltipClass || '',
-                options.duration
-            );
-        }
-
         var steps = ['navigation', 'point', 'area', 'line', 'startEditing'].map(function(step, i) {
             var s = sampleIntros[step](context, reveal)
                 .on('done', function() {
@@ -175,6 +164,16 @@ export function uiIntro(context) {
         enter(steps[0]);
 
 
+        function reveal(box, text, options) {
+            options = options || {};
+            curtain.reveal(box,
+                text || '',
+                options.tooltipClass || '',
+                options.duration
+            );
+        }
+
+
         function enter(newStep) {
             if (step) { step.exit(); }