diff --git a/Ring Buffer/RingBuffer.playground/Contents.swift b/Ring Buffer/RingBuffer.playground/Contents.swift
index f9ddb9c99..adcf146b4 100644
--- a/Ring Buffer/RingBuffer.playground/Contents.swift	
+++ b/Ring Buffer/RingBuffer.playground/Contents.swift	
@@ -1,10 +1,5 @@
 //: Playground - noun: a place where people can play
 
-// last checked with Xcode 9.0b4
-#if swift(>=4.0)
-print("Hello, Swift 4!")
-#endif
-
 public struct RingBuffer<T> {
   fileprivate var array: [T?]
   fileprivate var readIndex = 0