diff --git a/Library/Homebrew/global.rb b/Library/Homebrew/global.rb
index 1c4056499e..c7c6d66813 100644
--- a/Library/Homebrew/global.rb
+++ b/Library/Homebrew/global.rb
@@ -42,7 +42,7 @@ def cache
 end
 
 HOMEBREW_CACHE = cache
-undef cache # we use a function to prevent adding home_cache to the global scope
+undef cache
 
 # Where brews installed via URL are cached
 HOMEBREW_CACHE_FORMULA = HOMEBREW_CACHE+"Formula"