diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index d48aed960f..65d47c1612 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -534,10 +534,6 @@ class GitDownloadStrategy < VCSDownloadStrategy
     "git"
   end
 
-  def cache_version
-    0
-  end
-
   def update
     cached_location.cd do
       config_repo
@@ -604,7 +600,6 @@ class GitDownloadStrategy < VCSDownloadStrategy
 
   def clone_repo
     safe_system 'git', *clone_args
-    safe_system "git", "config", "homebrew.cacheversion", cache_version
     cached_location.cd { update_submodules } if submodules?
   end