diff --git a/lib/internal/streams/lazy_transform.js b/lib/internal/streams/lazy_transform.js
index 6584159095af39..69bba428af07f5 100644
--- a/lib/internal/streams/lazy_transform.js
+++ b/lib/internal/streams/lazy_transform.js
@@ -19,8 +19,6 @@ module.exports = LazyTransform;
 
 function LazyTransform(options) {
   this._options = options;
-  this.writable = true;
-  this.readable = true;
 }
 ObjectSetPrototypeOf(LazyTransform.prototype, stream.Transform.prototype);
 ObjectSetPrototypeOf(LazyTransform, stream.Transform);