diff --git a/src/lib/css-parse.html b/src/lib/css-parse.html
index a176d7c1c0..dcb806597e 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);
@@ -161,7 +161,7 @@
       mixinProp: /(?:^|[\s;])--[^;{]*?:[^{;]*?{[^}]*?}(?:[;\n]|$)?/gim,
       mixinApply: /@apply[\s]*\([^)]*?\)[\s]*(?:[;\n]|$)?/gim,
       varApply: /[^;:]*?:[^;]*var[^;]*(?:[;\n]|$)?/gim,
-      keyframesRule: /^@[^\s]*keyframes/,
+      keyframesRule: /^@[^\s]*keyframes/
     },
 
     VAR_START: '--',
diff --git a/src/lib/dom-api.html b/src/lib/dom-api.html
index 944234ea43..40e6ab4367 100644
--- a/src/lib/dom-api.html
+++ b/src/lib/dom-api.html
@@ -525,7 +525,7 @@
     DomApi.ClassList = function(host) {
       this.domApi = host;
       this.node = host.node;
-    }
+    };
 
     DomApi.ClassList.prototype = {
       add: function() {
@@ -546,7 +546,7 @@
         return this.node.classList.contains.apply(this.node.classList,
           arguments);
       }
-    }
+    };
 
     // changes and accessors...
     if (!Settings.useShadow) {
@@ -738,7 +738,7 @@
         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 && 
@@ -752,7 +752,7 @@
         return n$ ? Array.prototype.slice.call(n$) : [];
       };
 
-      DomApi.prototype._distributeParent = function() {}
+      DomApi.prototype._distributeParent = function() {};
 
       Object.defineProperties(DomApi.prototype, {
 
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 0d532565b6..97617c95df 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 fe20570783..6ffb33d930 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 2b281a6841..219565fd17 100644
--- a/src/mini/shady.html
+++ b/src/mini/shady.html
@@ -438,7 +438,7 @@
     }
 
     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 132abb556e..7b6238ac4a 100644
--- a/src/standard/gestures.html
+++ b/src/standard/gestures.html
@@ -443,7 +443,6 @@
       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 4409e6535f..a80826f3b4 100644
--- a/src/standard/x-styling.html
+++ b/src/standard/x-styling.html
@@ -115,7 +115,7 @@
             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);