diff --git a/.eslintrc b/.eslintrc
index 0e1824d075e2..f88bd008e529 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -29,6 +29,7 @@
     "no-mixed-requires": 0,
     "no-loop-func": 0,
     "no-unused-expressions": 0,
+    "no-unused-vars": [2,  {"args": "none"}],
     "curly": 0,
     "max-nested-callbacks": [2, 4],
     "no-multiple-empty-lines": 2
diff --git a/fn/date/to-string.js b/fn/date/to-string.js
index 1bca5e3d9da3..c39d55227885 100644
--- a/fn/date/to-string.js
+++ b/fn/date/to-string.js
@@ -1,5 +1,5 @@
-var core      = require('../../modules/es6.date.to-string')
-  , $toString = Date.prototype.toString;
+require('../../modules/es6.date.to-string')
+var $toString = Date.prototype.toString;
 module.exports = function toString(it){
   return $toString.call(it);
 };
\ No newline at end of file
diff --git a/modules/_collection-strong.js b/modules/_collection-strong.js
index 82baaa42c3db..55e4b6158d8b 100644
--- a/modules/_collection-strong.js
+++ b/modules/_collection-strong.js
@@ -1,7 +1,6 @@
 'use strict';
 var dP          = require('./_object-dp').f
   , create      = require('./_object-create')
-  , hide        = require('./_hide')
   , redefineAll = require('./_redefine-all')
   , ctx         = require('./_ctx')
   , anInstance  = require('./_an-instance')
diff --git a/modules/_typed-array.js b/modules/_typed-array.js
index f71d59b5751f..b072b23b0878 100644
--- a/modules/_typed-array.js
+++ b/modules/_typed-array.js
@@ -11,7 +11,6 @@ if(require('./_descriptors')){
     , propertyDesc        = require('./_property-desc')
     , hide                = require('./_hide')
     , redefineAll         = require('./_redefine-all')
-    , isInteger           = require('./_is-integer')
     , toInteger           = require('./_to-integer')
     , toLength            = require('./_to-length')
     , toIndex             = require('./_to-index')
@@ -25,7 +24,6 @@ if(require('./_descriptors')){
     , create              = require('./_object-create')
     , getPrototypeOf      = require('./_object-gpo')
     , gOPN                = require('./_object-gopn').f
-    , isIterable          = require('./core.is-iterable')
     , getIterFn           = require('./core.get-iterator-method')
     , uid                 = require('./_uid')
     , wks                 = require('./_wks')
diff --git a/modules/_typed-buffer.js b/modules/_typed-buffer.js
index 26d2b9c2110f..2129eea40fc1 100644
--- a/modules/_typed-buffer.js
+++ b/modules/_typed-buffer.js
@@ -21,13 +21,11 @@ var global         = require('./_global')
   , $ArrayBuffer   = global[ARRAY_BUFFER]
   , $DataView      = global[DATA_VIEW]
   , Math           = global.Math
-  , parseInt       = global.parseInt
   , RangeError     = global.RangeError
   , Infinity       = global.Infinity
   , BaseBuffer     = $ArrayBuffer
   , abs            = Math.abs
   , pow            = Math.pow
-  , min            = Math.min
   , floor          = Math.floor
   , log            = Math.log
   , LN2            = Math.LN2
diff --git a/modules/es6.number.to-fixed.js b/modules/es6.number.to-fixed.js
index 45f8a2431422..c54970d6aea9 100644
--- a/modules/es6.number.to-fixed.js
+++ b/modules/es6.number.to-fixed.js
@@ -1,6 +1,5 @@
 'use strict';
 var $export      = require('./_export')
-  , anInstance   = require('./_an-instance')
   , toInteger    = require('./_to-integer')
   , aNumberValue = require('./_a-number-value')
   , repeat       = require('./_string-repeat')
diff --git a/modules/es6.typed.array-buffer.js b/modules/es6.typed.array-buffer.js
index c7119a817aae..9f47082c2972 100644
--- a/modules/es6.typed.array-buffer.js
+++ b/modules/es6.typed.array-buffer.js
@@ -6,7 +6,6 @@ var $export      = require('./_export')
   , toIndex      = require('./_to-index')
   , toLength     = require('./_to-length')
   , isObject     = require('./_is-object')
-  , TYPED_ARRAY  = require('./_wks')('typed_array')
   , ArrayBuffer  = require('./_global').ArrayBuffer
   , speciesConstructor = require('./_species-constructor')
   , $ArrayBuffer = buffer.ArrayBuffer
diff --git a/modules/es6.weak-map.js b/modules/es6.weak-map.js
index 431ac56b233a..4109db336ff3 100644
--- a/modules/es6.weak-map.js
+++ b/modules/es6.weak-map.js
@@ -5,7 +5,6 @@ var each         = require('./_array-methods')(0)
   , assign       = require('./_object-assign')
   , weak         = require('./_collection-weak')
   , isObject     = require('./_is-object')
-  , has          = require('./_has')
   , getWeak      = meta.getWeak
   , isExtensible = Object.isExtensible
   , uncaughtFrozenStore = weak.ufstore
diff --git a/modules/es7.object.get-own-property-descriptors.js b/modules/es7.object.get-own-property-descriptors.js
index 131bfecc2d4d..0242b7a0c71d 100644
--- a/modules/es7.object.get-own-property-descriptors.js
+++ b/modules/es7.object.get-own-property-descriptors.js
@@ -12,7 +12,7 @@ $export($export.S, 'Object', {
       , keys    = ownKeys(O)
       , result  = {}
       , i       = 0
-      , key, D;
+      , key;
     while(keys.length > i)createProperty(result, key = keys[i++], getDesc(O, key));
     return result;
   }