diff --git a/.jshintrc b/.jshintrc
new file mode 100644
index 0000000..f8728f3
--- /dev/null
+++ b/.jshintrc
@@ -0,0 +1,7 @@
+{
+  "laxcomma": true,
+  "laxbreak": true,
+  "curly": false,
+  "-W058": true,
+  "eqeqeq": false
+}
\ No newline at end of file
diff --git a/bin/compile-dots.js b/bin/compile-dots.js
index d82a3e5..c6840f7 100644
--- a/bin/compile-dots.js
+++ b/bin/compile-dots.js
@@ -9,7 +9,7 @@ var glob = require('glob')
 var defs = fs.readFileSync(path.join(__dirname, '../lib/dot/definitions.def'));
 var files = glob.sync('../lib/dot/*.jst', { cwd: __dirname });
 
-console.log('\n\nCompiling:')
+console.log('\n\nCompiling:');
 
 files.forEach(function (f) {
   var template = fs.readFileSync(path.join(__dirname, f));
diff --git a/lib/ajv.js b/lib/ajv.js
index 856e48b..4beace2 100644
--- a/lib/ajv.js
+++ b/lib/ajv.js
@@ -4,8 +4,7 @@ var compileSchema = require('./compile')
     , resolve = require('./compile/resolve')
     , Cache = require('./cache')
     , stableStringify = require('json-stable-stringify')
-    , formats = require('./compile/formats')
-    , util = require('./compile/util');
+    , formats = require('./compile/formats');
 
 module.exports = Ajv;
 
@@ -88,7 +87,7 @@ function Ajv(opts) {
             return;
         }
         // can key/id have # inside?
-        var key = resolve.normalizeId(key || schema.id);
+        key = resolve.normalizeId(key || schema.id);
         checkUnique(key);
         self._schemas[key] = _addSchema(schema, _skipValidation);
     }
@@ -103,7 +102,7 @@ function Ajv(opts) {
     function addMetaSchema(schema, key, _skipValidation) {
         var currentRemoveAdditional = self.opts.removeAdditional;
         self.opts.removeAdditional = false;
-        var validate = addSchema(schema, META_SCHEMA_ID, _skipValidation);
+        addSchema(schema, META_SCHEMA_ID, _skipValidation);
         self.opts.removeAdditional = currentRemoveAdditional;
     }
 
@@ -142,15 +141,16 @@ function Ajv(opts) {
      * @param  {String|Object} schemaKeyRef key, ref or schema object
      */
     function removeSchema(schemaKeyRef) {
+        var str;
         if (typeof schemaKeyRef == 'string') {
             schemaKeyRef = resolve.normalizeId(schemaKeyRef);
             var v = self._schemas[schemaKeyRef] || self._refs[schemaKeyRef];
             delete self._schemas[schemaKeyRef];
             delete self._refs[schemaKeyRef];
-            var str = stableStringify(v.schema);
+            str = stableStringify(v.schema);
             self._cache.put(str);
         } else {
-            var str = stableStringify(schemaKeyRef);
+            str = stableStringify(schemaKeyRef);
             self._cache.put(str);
         }
     }
diff --git a/lib/cache.js b/lib/cache.js
index f774727..96f435b 100644
--- a/lib/cache.js
+++ b/lib/cache.js
@@ -3,7 +3,7 @@
 
 var Cache = module.exports = function Cache() {
     this._cache = {};
-}
+};
 
 
 Cache.prototype.put = function Cache_put(key, value) {