diff --git a/src/app/window.coffee b/src/app/window.coffee
index d990b28a4..d93d62a52 100644
--- a/src/app/window.coffee
+++ b/src/app/window.coffee
@@ -112,6 +112,8 @@ window.startup()
 
 requireStylesheet 'reset.css'
 requireStylesheet 'atom.css'
+requireStylesheet 'overlay.css'
+requireStylesheet 'popover-list.css'
 
 if nativeStylesheetPath = require.resolve("#{platform}.css")
   requireStylesheet(nativeStylesheetPath)
diff --git a/themes/atom-dark-ui/overlay.css b/static/overlay.css
similarity index 100%
rename from themes/atom-dark-ui/overlay.css
rename to static/overlay.css
diff --git a/themes/atom-dark-ui/popover-list.css b/static/popover-list.css
similarity index 100%
rename from themes/atom-dark-ui/popover-list.css
rename to static/popover-list.css
diff --git a/themes/atom-dark-ui/package.json b/themes/atom-dark-ui/package.json
index 66ac928c9..b685603d9 100644
--- a/themes/atom-dark-ui/package.json
+++ b/themes/atom-dark-ui/package.json
@@ -6,13 +6,11 @@
     "select-list.css",
     "tree-view.css",
     "tabs.css",
-    "overlay.css",
     "status-bar.css",
     "markdown-preview.css",
     "fuzzy-finder.css",
     "command-panel.css",
     "command-logger.css",
-    "popover-list.css",
     "notification.css"
   ]
 }