diff --git a/lib/cake.js b/lib/cake.js
index 7847ed19..d13f5b59 100755
--- a/lib/cake.js
+++ b/lib/cake.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var CoffeeScript, fs, helpers, missingTask, oparse, options, optparse, path, printTasks, switches, tasks;
   fs = require('fs');
   path = require('path');
diff --git a/lib/coffee-script.js b/lib/coffee-script.js
index 2cd332f4..8c3d6235 100644
--- a/lib/coffee-script.js
+++ b/lib/coffee-script.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var Lexer, compile, helpers, lexer, parser, path, processScripts;
   if (typeof process !== "undefined" && process !== null) {
     path = require('path');
diff --git a/lib/command.js b/lib/command.js
index 729cffda..fc898e70 100644
--- a/lib/command.js
+++ b/lib/command.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var BANNER, CoffeeScript, SWITCHES, _a, compileOptions, compileScript, compileScripts, compileStdio, exec, fs, lint, optionParser, options, optparse, parseOptions, path, printTokens, sources, spawn, usage, version, watch, writeJs;
   fs = require('fs');
   path = require('path');
diff --git a/lib/grammar.js b/lib/grammar.js
index 0b45b789..7ea43104 100644
--- a/lib/grammar.js
+++ b/lib/grammar.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var Parser, _a, _b, _c, _d, _e, _f, _g, _h, alt, alternatives, grammar, name, o, operators, token, tokens, unwrap;
   var __hasProp = Object.prototype.hasOwnProperty;
   Parser = require('jison').Parser;
diff --git a/lib/helpers.js b/lib/helpers.js
index b041ef8b..76cff280 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var compact, count, del, ends, extend, flatten, helpers, include, indexOf, merge, starts;
   if (!(typeof process !== "undefined" && process !== null)) {
     this.exports = this;
diff --git a/lib/index.js b/lib/index.js
index 8e014e91..6bf0e654 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var _a, key, val;
   var __hasProp = Object.prototype.hasOwnProperty;
   _a = require('./coffee-script');
diff --git a/lib/lexer.js b/lib/lexer.js
index 1fa546ad..946628d3 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var ASSIGNED, ASSIGNMENT, CALLABLE, CODE, COFFEE_ALIASES, COFFEE_KEYWORDS, COMMENT, CONVERSIONS, HALF_ASSIGNMENTS, HEREDOC, HEREDOC_INDENT, IDENTIFIER, INTERPOLATION, JS_CLEANER, JS_FORBIDDEN, JS_KEYWORDS, LAST_DENT, LAST_DENTS, LINE_BREAK, Lexer, MULTILINER, MULTI_DENT, NEXT_CHARACTER, NOT_REGEX, NO_NEWLINE, NUMBER, OPERATOR, REGEX_END, REGEX_ESCAPE, REGEX_INTERPOLATION, REGEX_START, RESERVED, Rewriter, STRING_NEWLINES, WHITESPACE, _a, _b, _c, compact, count, helpers, include, starts;
   var __slice = Array.prototype.slice;
   if (typeof process !== "undefined" && process !== null) {
diff --git a/lib/nodes.js b/lib/nodes.js
index 46791365..46168b6a 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -1,7 +1,7 @@
-(function(){
+(function() {
   var AccessorNode, ArrayNode, AssignNode, BaseNode, CallNode, ClassNode, ClosureNode, CodeNode, CommentNode, DOUBLE_PARENS, ExistenceNode, Expressions, ExtendsNode, ForNode, IDENTIFIER, IS_STRING, IfNode, InNode, IndexNode, LiteralNode, NUMBER, ObjectNode, OpNode, ParentheticalNode, PushNode, RangeNode, ReturnNode, SIMPLENUM, Scope, SliceNode, SplatNode, TAB, TRAILING_WHITESPACE, ThrowNode, TryNode, UTILITIES, ValueNode, WhileNode, _a, compact, del, ends, flatten, helpers, include, indexOf, literal, merge, starts, utility;
   var __extends = function(child, parent) {
-    var ctor = function(){ };
+    var ctor = function(){};
     ctor.prototype = parent.prototype;
     child.prototype = new ctor();
     child.prototype.constructor = child;
@@ -230,7 +230,7 @@
       code = this.compileWithDeclarations(o);
       code = code.replace(TRAILING_WHITESPACE, '');
       code = code.replace(DOUBLE_PARENS, '($1)');
-      return o.noWrap ? code : ("(function(){\n" + code + "\n})();\n");
+      return o.noWrap ? code : ("(function() {\n" + code + "\n})();\n");
     };
     Expressions.prototype.compileWithDeclarations = function(o) {
       var code;
@@ -500,7 +500,7 @@
       }
       if (this.isNew) {
         utility('extends');
-        return "(function() {\n" + (this.idt(1)) + "var ctor = function(){ };\n" + (this.idt(1)) + "__extends(ctor, " + meth + ");\n" + (this.idt(1)) + "return " + (meth) + ".apply(new ctor, " + (this.compileSplatArguments(o)) + ");\n" + this.tab + "}).call(this)";
+        return "(function() {\n" + (this.idt(1)) + "var ctor = function(){};\n" + (this.idt(1)) + "__extends(ctor, " + meth + ");\n" + (this.idt(1)) + "return " + (meth) + ".apply(new ctor, " + (this.compileSplatArguments(o)) + ");\n" + this.tab + "}).call(this)";
       } else {
         return "" + (this.prefix()) + (meth) + ".apply(" + obj + ", " + (this.compileSplatArguments(o)) + ")";
       }
@@ -641,7 +641,7 @@
         body = ("var " + i + " = " + this.fromVar + "; " + clause + " " + i + " <" + this.equals + " " + this.toVar + " : " + i + " >" + this.equals + " " + this.toVar + "; " + clause + " " + i + " += 1 : " + i + " -= 1");
       }
       post = ("{ " + (result) + ".push(" + i + ") };\n" + (idt) + "return " + result + ";\n" + o.indent);
-      return "(function(){" + (pre) + "\n" + (idt) + "for (" + body + ")" + post + "}).call(this)";
+      return "(function() {" + (pre) + "\n" + (idt) + "for (" + body + ")" + post + "}).call(this)";
     };
     return RangeNode;
   })();
@@ -1681,7 +1681,7 @@
     }
   });
   UTILITIES = {
-    'extends': "function(child, parent) {\n    var ctor = function(){ };\n    ctor.prototype = parent.prototype;\n    child.prototype = new ctor();\n    child.prototype.constructor = child;\n    if (typeof parent.extended === \"function\") parent.extended(child);\n    child.__superClass__ = parent.prototype;\n  }",
+    'extends': "function(child, parent) {\n    var ctor = function(){};\n    ctor.prototype = parent.prototype;\n    child.prototype = new ctor();\n    child.prototype.constructor = child;\n    if (typeof parent.extended === \"function\") parent.extended(child);\n    child.__superClass__ = parent.prototype;\n  }",
     hasProp: 'Object.prototype.hasOwnProperty',
     slice: 'Array.prototype.slice'
   };
diff --git a/lib/optparse.js b/lib/optparse.js
index 3db86122..839439f0 100755
--- a/lib/optparse.js
+++ b/lib/optparse.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var LONG_FLAG, MULTI_FLAG, OPTIONAL, OptionParser, SHORT_FLAG, buildRule, buildRules, normalizeArguments;
   exports.OptionParser = (function() {
     OptionParser = function(rules, banner) {
diff --git a/lib/repl.js b/lib/repl.js
index b33e3951..ca5584fe 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var CoffeeScript, helpers, readline, repl, run, stdio;
   CoffeeScript = require('./coffee-script');
   helpers = require('./helpers').helpers;
diff --git a/lib/rewriter.js b/lib/rewriter.js
index 366170ec..ee180171 100644
--- a/lib/rewriter.js
+++ b/lib/rewriter.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var BALANCED_PAIRS, EXPRESSION_CLOSE, EXPRESSION_END, EXPRESSION_START, IMPLICIT_BLOCK, IMPLICIT_CALL, IMPLICIT_END, IMPLICIT_FUNC, INVERSES, Rewriter, SINGLE_CLOSERS, SINGLE_LINERS, _a, _b, _c, _d, _e, _f, _g, _h, _i, _j, _k, _l, _m, helpers, include, pair;
   var __hasProp = Object.prototype.hasOwnProperty;
   if (typeof process !== "undefined" && process !== null) {
diff --git a/lib/scope.js b/lib/scope.js
index f299511f..149a65c4 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -1,4 +1,4 @@
-(function(){
+(function() {
   var Scope;
   var __hasProp = Object.prototype.hasOwnProperty;
   if (!(typeof process !== "undefined" && process !== null)) {
diff --git a/src/nodes.coffee b/src/nodes.coffee
index a8b4b02f..56958ced 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -209,7 +209,7 @@ exports.Expressions: class Expressions extends BaseNode
     code: @compileWithDeclarations(o)
     code: code.replace(TRAILING_WHITESPACE, '')
     code: code.replace(DOUBLE_PARENS, '($1)')
-    if o.noWrap then code else "(function(){\n$code\n})();\n"
+    if o.noWrap then code else "(function() {\n$code\n})();\n"
 
   # Compile the expressions body for the contents of a function, with
   # declarations of all inner variables pushed up to the top.
@@ -459,7 +459,7 @@ exports.CallNode: class CallNode extends BaseNode
       utility 'extends'
       """
       (function() {
-      ${@idt(1)}var ctor = function(){ };
+      ${@idt(1)}var ctor = function(){};
       ${@idt(1)}__extends(ctor, $meth);
       ${@idt(1)}return ${meth}.apply(new ctor, ${ @compileSplatArguments(o) });
       $@tab}).call(this)
@@ -590,7 +590,7 @@ exports.RangeNode: class RangeNode extends BaseNode
       clause: "$@fromVar <= $@toVar ?"
       body:   "var $i = $@fromVar; $clause $i <$@equals $@toVar : $i >$@equals $@toVar; $clause $i += 1 : $i -= 1"
     post:   "{ ${result}.push($i) };\n${idt}return $result;\n$o.indent"
-    "(function(){${pre}\n${idt}for ($body)$post}).call(this)"
+    "(function() {${pre}\n${idt}for ($body)$post}).call(this)"
 
 #### SliceNode
 
@@ -1487,7 +1487,7 @@ UTILITIES: {
   # [goog.inherits](http://closure-library.googlecode.com/svn/docs/closureGoogBase.js.source.html#line1206).
   extends:  """
             function(child, parent) {
-                var ctor = function(){ };
+                var ctor = function(){};
                 ctor.prototype = parent.prototype;
                 child.prototype = new ctor();
                 child.prototype.constructor = child;