diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index ff898c08a7..75645c94f2 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -136,7 +136,7 @@ module Homebrew
 
         if Homebrew::Attestation.enabled?
           if formulae.include?(Formula["gh"])
-            formulae.unshift(T.must(formulae.delete(Formula["gh"])))
+            formulae.unshift(formulae.delete(Formula["gh"]))
           else
             Homebrew::Attestation.ensure_gh_installed!
           end