diff --git a/runtime/syntax/chaskell.vim b/runtime/syntax/chaskell.vim
index 3f764d0..4b1e8c5 100644
--- a/runtime/syntax/chaskell.vim
+++ b/runtime/syntax/chaskell.vim
@@ -9,10 +9,6 @@
 let b:hs_chs=1
 
 " Include standard Haskell highlighting
-if version < 600
-  source <sfile>:p:h/haskell.vim
-else
-  runtime! syntax/haskell.vim
-endif
+runtime! syntax/haskell.vim
 
 " vim: ts=8