diff --git a/Library/Homebrew/unversioned_cask_checker.rb b/Library/Homebrew/unversioned_cask_checker.rb
index 879d71fcab..82a16aeec2 100644
--- a/Library/Homebrew/unversioned_cask_checker.rb
+++ b/Library/Homebrew/unversioned_cask_checker.rb
@@ -83,18 +83,8 @@ module Homebrew
 
         installer.extract_primary_container(to: dir)
 
-        info_plist_paths = []
-
-        apps.flat_map do |app|
-          top_level_info_plists(Pathname.glob(dir/"**"/app.source.basename/"Contents"/"Info.plist"))
-            .sort
-            .each { |match| info_plist_paths.push(match) }
-        end
-
-        qlplugins.flat_map do |qlplugin|
-          top_level_info_plists(Pathname.glob(dir/"**"/qlplugin.source.basename/"Contents"/"Info.plist"))
-            .sort
-            .each { |match| info_plist_paths.push(match) }
+        info_plist_paths = (apps + qlplugins).flat_map do |app|
+          top_level_info_plists(Pathname.glob(dir/"**"/app.source.basename/"Contents"/"Info.plist")).sort
         end
 
         info_plist_paths.each(&parse_info_plist)