diff --git a/Library/Homebrew/keg.rb b/Library/Homebrew/keg.rb
index 6287d60708..18e5d1ac23 100644
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@@ -529,6 +529,8 @@ class Keg
     elf_files
   end
 
+  def codesign_patched_binary(_binary_file); end
+
   private
 
   def resolve_any_conflicts(dst, dry_run: false, verbose: false, overwrite: false)