diff --git a/types/async/test/index.ts b/types/async/test/index.ts
index f2dd5bb2aa..f71c1bb53b 100644
--- a/types/async/test/index.ts
+++ b/types/async/test/index.ts
@@ -442,7 +442,7 @@ async.retry({ times: 3, interval: (retryCount) => 200 * retryCount }, function (
 
 
 async.parallel([
-    function (callback: ( err: Error, val: string ) => void ) { },
+    function (callback: (err: Error, val: string) => void) { },
     function (callback) { }
 ],
 function (err: Error, results: string[]) {
@@ -738,7 +738,7 @@ async.some<number>({
 
 // timeout
 
-function myFunction1(foo: any, callback: (err?: Error, result?: any) => void ): void {
+function myFunction1(foo: any, callback: (err?: Error, result?: any) => void): void {
 	console.log(`async.timeout 1 ${foo}`);
 	return callback(undefined, foo);
 }
@@ -748,22 +748,22 @@ wrapped1({ bar: 'bar' }, function(err: Error, data: any) {
 });
 
 
-function myFunction2(callback: (err?: Error, result?: any) => void ): void {
+function myFunction2(callback: (err?: Error, result?: any) => void): void {
 	console.log(`async.timeout 2`);
 	return callback(undefined, { bar: 'bar' });
 }
 
 var wrapped2 = async.timeout(myFunction2, 1000);
-wrapped2( function(err: Error, data: any) {
+wrapped2(function(err: Error, data: any) {
     console.log(`async.timeout 2 end ${data}`);
 });
 
-function myFunction3(callback: (err?: Error, result?: any) => void ): void {
+function myFunction3(callback: (err?: Error, result?: any) => void): void {
 	console.log(`async.timeout 3`);
 	return callback(undefined, { bar: 'bar' });
 }
 
 var wrapped3 = async.timeout(myFunction3, 1000, { bar: 'bar' });
-wrapped3( function(err: Error, data: any) {
+wrapped3(function(err: Error, data: any) {
     console.log(`async.timeout 3 end ${data}`);
 });
diff --git a/types/async/tslint.json b/types/async/tslint.json
index 1da4c92ed9..ca5a0426d3 100644
--- a/types/async/tslint.json
+++ b/types/async/tslint.json
@@ -19,7 +19,6 @@
         "prefer-method-signature": false,      // HAS ISSUES
         "prefer-template": false,              // HAS ISSUES
         "space-before-function-paren": false,  // HAS ISSUES
-        "space-within-parens": false,          // HAS ISSUES
         "unified-signatures": false            // HAS ISSUES
     }
 }