diff --git a/web/gui/src/main/webapp/app/fw/svg/icon.js b/web/gui/src/main/webapp/app/fw/svg/icon.js
index 67a557b..aabbc17 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.js
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.js
@@ -20,7 +20,7 @@
 (function () {
     'use strict';
 
-    var $log, fs, gs, sus;
+    var $log, gs, sus;
 
     var vboxSize = 50,
         cornerSize = vboxSize / 10,
@@ -39,7 +39,6 @@
 
         delta: 'delta',
         nonzero: 'nonzero',
-
         close: 'xClose',
 
         topo: 'topo',
@@ -79,8 +78,8 @@
         nav_links: 'ports',
         nav_hosts: 'endstation',
         nav_intents: 'relatedIntents',
-        nav_tunnels: 'ports',  // TODO: use tunnel glyph, when available
-        nav_yang: 'yang'
+        nav_tunnels: 'ports', // TODO: use tunnel glyph, when available
+        nav_yang: 'yang',
     };
 
     function ensureIconLibDefs() {
@@ -115,24 +114,24 @@
             'class': svgCls,
             width: dim,
             height: dim,
-            viewBox: viewBox
+            viewBox: viewBox,
         });
 
         g = svg.append('g').attr({
-            'class': 'icon'
+            'class': 'icon',
         });
 
         g.append('rect').attr({
             width: vboxSize,
             height: vboxSize,
-            rx: cornerSize
+            rx: cornerSize,
         });
 
         g.append('use').attr({
             width: vboxSize,
             height: vboxSize,
             'class': 'glyph',
-            'xlink:href': '#' + gid
+            'xlink:href': '#' + gid,
         });
     }
 
@@ -159,7 +158,7 @@
         return elem.append('use').attr({
             'xlink:href': '#' + gid,
             width: iconDim,
-            height: iconDim
+            height: iconDim,
         });
     }
 
@@ -175,7 +174,7 @@
             'xlink:href': '#' + glyphId,
             width: dim,
             height: dim,
-            transform: sus.translate(xlate,xlate)
+            transform: sus.translate(xlate, xlate),
         });
         return g;
     }
@@ -190,7 +189,7 @@
         return {
             asc: function (div) { _s(div, 'upArrow'); },
             desc: function (div) { _s(div, 'downArrow'); },
-            none: function (div) { div.remove(); }
+            none: function (div) { div.remove(); },
         };
     }
 
@@ -218,16 +217,15 @@
                         div.selectAll('*').remove();
                         is.loadEmbeddedIcon(div, attrs.iconId, attrs.iconSize);
                     });
-                }
+                },
             };
         }])
 
-        .factory('IconService', ['$log', 'FnService', 'GlyphService',
+        .factory('IconService', ['$log', 'GlyphService',
             'SvgUtilService',
 
-        function (_$log_, _fs_, _gs_, _sus_) {
+        function (_$log_, _gs_, _sus_) {
             $log = _$log_;
-            fs = _fs_;
             gs = _gs_;
             sus = _sus_;
 
@@ -238,7 +236,7 @@
                 addDeviceIcon: addDeviceIcon,
                 addHostIcon: addHostIcon,
                 sortIcons: sortIcons,
-                registerIconMapping: registerIconMapping
+                registerIconMapping: registerIconMapping,
             };
         }]);