diff --git a/Library/Homebrew/cmd/outdated.rb b/Library/Homebrew/cmd/outdated.rb
index 17232e8dd4a24..9427fc0c5f424 100644
--- a/Library/Homebrew/cmd/outdated.rb
+++ b/Library/Homebrew/cmd/outdated.rb
@@ -62,13 +62,12 @@ def run
           end
 
           json = {
-            "formulae" => json_info(formulae),
-            "casks"    => json_info(casks),
+            formulae: json_info(formulae),
+            casks:    json_info(casks),
           }
           puts JSON.pretty_generate(json)
 
           outdated = formulae + casks
-
         else
           outdated = if args.formula?
             outdated_formulae
@@ -170,10 +169,7 @@ def json_version(version)
           "v1" => :v1,
           "v2" => :v2,
         }
-
-        raise UsageError, "invalid JSON version: #{version}" unless version_hash.include?(version)
-
-        version_hash[version]
+        version_hash.fetch(version) { raise UsageError, "invalid JSON version: #{version}" }
       end
 
       sig { returns(T::Array[Formula]) }
diff --git a/Library/Homebrew/test/support/helper/cmd/brew-verify-undefined.rb b/Library/Homebrew/test/support/helper/cmd/brew-verify-undefined.rb
old mode 100755
new mode 100644