diff --git a/Library/Homebrew/dev-cmd/audit.rb b/Library/Homebrew/dev-cmd/audit.rb
index fb51905299..3dae202eeb 100644
--- a/Library/Homebrew/dev-cmd/audit.rb
+++ b/Library/Homebrew/dev-cmd/audit.rb
@@ -597,7 +597,7 @@ module Homebrew
       _, user, repo = *regex.match(formula.homepage) unless user
       return if !user || !repo
 
-      repo.gsub!(/.git$/, "")
+      repo.delete_suffix!(".git")
 
       [user, repo]
     end