diff --git a/lib/stream.js b/lib/stream.js
index 826f0e6d9adb6c..ff8838f4251594 100644
--- a/lib/stream.js
+++ b/lib/stream.js
@@ -43,23 +43,18 @@ Stream.Stream = Stream;
 
 Stream._isUint8Array = require('internal/util/types').isUint8Array;
 
-const version = process.version.substr(1).split('.');
-if (version[0] === 0 && version[1] < 12) {
-  Stream._uint8ArrayToBuffer = Buffer;
-} else {
-  try {
-    const internalBuffer = require('internal/buffer');
-    Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
-      return new internalBuffer.FastBuffer(chunk.buffer,
-                                           chunk.byteOffset,
-                                           chunk.byteLength);
-    };
-  } catch (e) { // eslint-disable-line no-unused-vars
-  }
+try {
+  const internalBuffer = require('internal/buffer');
+  Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
+    return new internalBuffer.FastBuffer(chunk.buffer,
+                                         chunk.byteOffset,
+                                         chunk.byteLength);
+  };
+} catch (e) { // eslint-disable-line no-unused-vars
+}
 
-  if (!Stream._uint8ArrayToBuffer) {
-    Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
-      return Buffer.prototype.slice.call(chunk);
-    };
-  }
+if (!Stream._uint8ArrayToBuffer) {
+  Stream._uint8ArrayToBuffer = function _uint8ArrayToBuffer(chunk) {
+    return Buffer.prototype.slice.call(chunk);
+  };
 }