diff --git a/Library/Homebrew/cask/lib/hbc/utils.rb b/Library/Homebrew/cask/lib/hbc/utils.rb
index 2a5acbc88c..b2b65a08e0 100644
--- a/Library/Homebrew/cask/lib/hbc/utils.rb
+++ b/Library/Homebrew/cask/lib/hbc/utils.rb
@@ -43,7 +43,7 @@ module Hbc
             p.rmtree
           else
             command.run("/bin/rm",
-                        args: command_args + ["-r", "-f", "--", p],
+                        args: ["-r", "-f", "--", p],
                         sudo: true)
           end
         end