diff --git a/Library/Homebrew/os/mac/xquartz.rb b/Library/Homebrew/os/mac/xquartz.rb
index 9eb1fe6bb7a74561516bea9f90587e3218cf077d..32804e2e15dee352d1b86039f3ab4532997d30da 100644
--- a/Library/Homebrew/os/mac/xquartz.rb
+++ b/Library/Homebrew/os/mac/xquartz.rb
@@ -39,14 +39,8 @@ module OS
         end
       end
 
-      # http://xquartz.macosforge.org/trac/wiki
-      # http://xquartz.macosforge.org/trac/wiki/Releases
       def latest_version
-        case MacOS.version
-        when "10.5" then "2.6.3"
-        when "10.9" then "2.7.5_rc4"
-        else "2.7.4"
-        end
+        "2.7.4"
       end
 
       def bundle_path