diff --git a/src/lib/css-parse.html b/src/lib/css-parse.html
index 2199fdb778..937a60d029 100644
--- a/src/lib/css-parse.html
+++ b/src/lib/css-parse.html
@@ -31,7 +31,7 @@
     _lex: function(text) {
       var root = {start: 0, end: text.length};
       var n = root;
-      for (var i=0, s=0, l=text.length; i < l; i++) {
+      for (var i=0, l=text.length; i < l; i++) {
         switch (text[i]) {
           case this.OPEN_BRACE:
             //console.group(i);
@@ -174,10 +174,10 @@
       customProp: /(?:^|[\s;])--[^;{]*?:[^{};]*?(?:[;\n]|$)/gim,
       mixinProp: /(?:^|[\s;])?--[^;{]*?:[^{;]*?{[^}]*?}(?:[;\n]|$)?/gim,
       mixinApply: /@apply[\s]*\([^)]*?\)[\s]*(?:[;\n]|$)?/gim,
-      varApply: /[^;:]*?:[^;]*?var\([^;]*\)(?:[;\n]|$)?/gim,
+      varApply: /[^;:]*?:[^;]*?var\([^;]*\)(?:[;\n]|$)?/gim,
       keyframesRule: /^@[^\s]*keyframes/,
       multipleSpaces: /\s+/g
-    },
+    },
 
     VAR_START: '--',
     MEDIA_START: '@media',
diff --git a/src/lib/dom-api.html b/src/lib/dom-api.html
index d85d9ad259..98da3b9f4b 100644
--- a/src/lib/dom-api.html
+++ b/src/lib/dom-api.html
@@ -767,7 +767,7 @@
       var forwardMethod = function(method) {
         DomApi.prototype[method] = function() {
           return this.node[method].apply(this.node, arguments);
-        }
+        };
       };
 
       forwardMethods(['cloneNode', 'appendChild', 'insertBefore',
@@ -791,7 +791,7 @@
         var doc = this.node instanceof Document ? this.node :
           this.node.ownerDocument;
         return doc.importNode(externalNode, deep);
-      }
+      };
 
       DomApi.prototype.getDestinationInsertionPoints = function() {
         var n$ = this.node.getDestinationInsertionPoints &&
@@ -875,11 +875,11 @@
         node.__domApi = new DomApi(node, patch);
       }
       return node.__domApi;
-    };
+    }
 
     function hasDomApi(node) {
       return Boolean(node.__domApi);
-    };
+    }
 
     Polymer.dom = function(obj, patch) {
       if (obj instanceof Event) {
@@ -1009,4 +1009,4 @@
 
   })();
 
-</script>
\ No newline at end of file
+</script>
diff --git a/src/lib/dom-innerHTML.html b/src/lib/dom-innerHTML.html
index 466bbba610..5586ec9d77 100644
--- a/src/lib/dom-innerHTML.html
+++ b/src/lib/dom-innerHTML.html
@@ -29,7 +29,7 @@
       case '>':
         return '&gt;';
       case '"':
-        return '&quot;'
+        return '&quot;';
       case '\u00A0':
         return '&nbsp;';
     }
diff --git a/src/lib/dom-module.html b/src/lib/dom-module.html
index 4420bca61f..f1f9355a43 100644
--- a/src/lib/dom-module.html
+++ b/src/lib/dom-module.html
@@ -6,7 +6,7 @@
   var lcModules = {};
   var findModule = function(id) {
     return modules[id] || lcModules[id.toLowerCase()];
-  }
+  };
 
   /**
    * The `dom-module` element registers the dom it contains to the name given
diff --git a/src/lib/experimental/sinspect.html b/src/lib/experimental/sinspect.html
index 009653a264..0e0b33c9f9 100644
--- a/src/lib/experimental/sinspect.html
+++ b/src/lib/experimental/sinspect.html
@@ -193,7 +193,7 @@
 
   // remote api
 
-  shadowize = function() {
+  var shadowize = function() {
     var idx = Number(this.attributes.idx.value);
     //alert(idx);
     var node = drillable[idx];
diff --git a/src/lib/style-cache.html b/src/lib/style-cache.html
index 02dabc8343..8b2f1ff67e 100644
--- a/src/lib/style-cache.html
+++ b/src/lib/style-cache.html
@@ -12,7 +12,7 @@
 
   Polymer.StyleCache = function() {
     this.cache = {};
-  }
+  };
 
   Polymer.StyleCache.prototype = {
     
diff --git a/src/lib/style-transformer.html b/src/lib/style-transformer.html
index 27afb0fdb3..a3bed9fcdf 100644
--- a/src/lib/style-transformer.html
+++ b/src/lib/style-transformer.html
@@ -97,7 +97,7 @@
       elementStyles: function(element, callback) {
         var styles = element._styles;
         var cssText = '';
-        for (var i=0, l=styles.length, s, text; (i<l) && (s=styles[i]); i++) {
+        for (var i=0, l=styles.length, s; (i<l) && (s=styles[i]); i++) {
           var rules = styleUtil.rulesForStyle(s);
           cssText += nativeShadow ?
             styleUtil.toCssText(rules, callback) :
diff --git a/src/micro/tag.html b/src/micro/tag.html
index 32f744bb7b..7be41de988 100644
--- a/src/micro/tag.html
+++ b/src/micro/tag.html
@@ -17,7 +17,7 @@
           (document._currentScript || document.currentScript).parentNode;
         if (module.localName === 'dom-module') {
           var id = module.id || module.getAttribute('name')
-            || module.getAttribute('is')
+            || module.getAttribute('is');
           this.is = id;
         }
       }
diff --git a/src/mini/shady.html b/src/mini/shady.html
index 4734678e15..1ef773f002 100644
--- a/src/mini/shady.html
+++ b/src/mini/shady.html
@@ -452,7 +452,7 @@
     }
 
     function ensureComposedParent(parent, children) {
-      for (var i=0, n; i < children.length; i++) {
+      for (var i=0; i < children.length; i++) {
         children[i]._composedParent = parent;
       }
     }
diff --git a/src/standard/gestures.html b/src/standard/gestures.html
index 5e418a4a7f..5b741dbedf 100644
--- a/src/standard/gestures.html
+++ b/src/standard/gestures.html
@@ -452,7 +452,6 @@
       this.fire('up', Gestures.findOriginalTarget(e), e.changedTouches[0]);
     },
     fire: function(type, target, event) {
-      var self = this;
       Gestures.fire(target, type, {
         x: event.clientX,
         y: event.clientY,
diff --git a/src/standard/x-styling.html b/src/standard/x-styling.html
index 4795c7dfd6..f224a5524f 100644
--- a/src/standard/x-styling.html
+++ b/src/standard/x-styling.html
@@ -125,7 +125,7 @@
             style: style,
             _scopeSelector: this._scopeSelector,
             _styleProperties: this._styleProperties
-          }
+          };
           scopeData.key.customStyle = {};
           this.mixin(scopeData.key.customStyle, this.customStyle);
           scope._styleCache.store(this.is, info, scopeData.key, this._styles);