diff --git a/Library/Homebrew/cmd/prune.rb b/Library/Homebrew/cmd/prune.rb
index 3270066131..ad482ed56e 100644
--- a/Library/Homebrew/cmd/prune.rb
+++ b/Library/Homebrew/cmd/prune.rb
@@ -6,7 +6,6 @@
 #:    actually remove anything.
 
 require "keg"
-require "cmd/tap"
 
 module Homebrew
   module_function