diff --git a/src/sander.js b/src/sander.js
index d14c263..4fe5d18 100644
--- a/src/sander.js
+++ b/src/sander.js
@@ -6,8 +6,6 @@ import { asyncFileDescriptorMethod } from './methodMakers/fileDescriptorMethod';
 // standard async methods
 export const chmod = asyncMethod( 'chmod' );
 export const chown = asyncMethod( 'chown' );
-export const createReadStream = asyncMethod( 'createReadStream' );
-export const createWriteStream = asyncMethod( 'createWriteStream' );
 export const lchmod = asyncMethod( 'lchmod' );
 export const lchown = asyncMethod( 'lchown' );
 export const lstat = asyncMethod( 'lstat' );
@@ -78,4 +76,4 @@ export { symlinkOrCopy, symlinkOrCopySync } from './extraMethods/symlinkOrCopy';
 
 // expose Promise for convenience
 // https://github.com/esperantojs/esperanto/issues/161
-export const Promise = es6Promise.Promise;
\ No newline at end of file
+export const Promise = es6Promise.Promise;