diff --git a/Library/Homebrew/cleanup.rb b/Library/Homebrew/cleanup.rb
index a4fb1e0b9b..3d977cef89 100644
--- a/Library/Homebrew/cleanup.rb
+++ b/Library/Homebrew/cleanup.rb
@@ -36,7 +36,7 @@ module CleanupRefinement
     end
 
     def nested_cache?
-      directory? && %w[glide_home java_cache npm_cache gclient_cache].include?(basename.to_s)
+      directory? && %w[go_cache glide_home java_cache npm_cache gclient_cache].include?(basename.to_s)
     end
 
     def prune?(days)