Removed some unused variables.

Author: scottgonzalez

grunt.js

@@ -5,8 +5,6 @@ var // modules
 	fs = require( "fs" ),
 	path = require( "path" ),
 	request = require( "request" ),
-	util = require( "util" ),
-	inspect = util.inspect,
 
 	// files
 	coreFiles = [
@@ -340,7 +338,7 @@ grunt.initConfig({
 grunt.registerTask( "testswarm", function( commit, authToken ) {
 	var testswarm = require( "testswarm" );
 	var testBase = "http://swarm.jquery.org/git/jquery-ui/" + commit + "/";
-	require( "testswarm" )( {
+	testswarm({
 		url: "http://swarm.jquery.org/api.php?",
 		pollInterval: 2000,
 		done: this.async()

ui/jquery.effects.scale.js

@@ -267,10 +267,7 @@ $.effects.effect.size = function( o, done ) {
 					$.each([ "top", "left" ], function( idx, pos ) {
 						el.css( pos, function( _, str ) {
 							var val = parseInt( str, 10 ),
-								toRef = idx ? el.to.left : el.to.top,
-								delta = idx ? el.to.outerWidth - el.from.outerWidth: el.to.outerHeight - el.from.outerHeight,
-								same = origin[ idx ] === pos,
-								mid = origin[ idx ] === "middle" || origin[ idx ] === "center";
+								toRef = idx ? el.to.left : el.to.top;
 
 							// if original was "auto", recalculate the new value from wrapper
 							if ( str === "auto" ) {

ui/jquery.effects.slide.js

@@ -23,8 +23,7 @@ $.effects.effect.slide = function( o, done ) {
 		ref = (direction === "up" || direction === "down") ? "top" : "left",
 		positiveMotion = (direction === "up" || direction === "left"),
 		distance,
-		animation = {},
-		size;
+		animation = {};
 
 	// Adjust
 	$.effects.save( el, props );

ui/jquery.ui.position.js

@@ -286,8 +286,7 @@ $.ui.position = {
 				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
 				overLeft = withinOffset - collisionPosLeft,
 				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
-				newOverRight,
-				newOverLeft;
+				newOverRight;
 
 			// element is wider than within
 			if ( data.collisionWidth > outerWidth ) {
@@ -324,7 +323,6 @@ $.ui.position = {
 				collisionPosTop = position.top - data.collisionPosition.marginTop,
 				overTop = withinOffset - collisionPosTop,
 				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
-				newOverTop,
 				newOverBottom;
 
 			// element is taller than within
@@ -365,7 +363,6 @@ $.ui.position = {
 				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
 				overLeft = collisionPosLeft - offsetLeft,
 				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
-				left = data.my[ 0 ] === "left",
 				myOffset = data.my[ 0 ] === "left" ?
 					-data.elemWidth :
 					data.my[ 0 ] === "right" ?

ui/jquery.ui.tabs.js

@@ -167,7 +167,6 @@ $.widget( "ui.tabs", {
 
 	refresh: function() {
 		var next,
-			that = this,
 			options = this.options,
 			lis = this.list.children( ":has(a[href])" );
 
@@ -362,7 +361,6 @@ $.widget( "ui.tabs", {
 	// handles show/hide for selecting tabs
 	_toggle: function( event, eventData ) {
 		var that = this,
-			options = that.options,
 			toShow = eventData.newPanel,
 			toHide = eventData.oldPanel;
 
@@ -434,8 +432,6 @@ $.widget( "ui.tabs", {
 	},
 
 	_destroy: function() {
-		var o = this.options;
-
 		if ( this.xhr ) {
 			this.xhr.abort();
 		}
@@ -517,7 +513,6 @@ $.widget( "ui.tabs", {
 	load: function( index, event ) {
 		index = this._getIndex( index );
 		var that = this,
-			options = this.options,
 			anchor = this.anchors.eq( index ),
 			panel = that._getPanelForTab( anchor ),
 			eventData = {