diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 718643bf97ed375e586d09fd6866f828f202320b..30e9b0043f878aca5f79fb4b220b24c8b6bffbae 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -360,7 +360,6 @@ class GitDownloadStrategy < AbstractDownloadStrategy
           end
 
         git_args = %w[git fetch origin]
-        git_args << '--depth' << '1' if support_depth?
         quiet_safe_system(*git_args)
       end
     end