diff --git a/runtime/syntax/ppd.vim b/runtime/syntax/ppd.vim
index 192f70c..31d3841 100644
--- a/runtime/syntax/ppd.vim
+++ b/runtime/syntax/ppd.vim
@@ -3,11 +3,8 @@
 " Maintainer:	Bjoern Jacke <bjacke@suse.de>
 " Last Change:	2001-10-06
 
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
   finish
 endif
 
@@ -21,27 +18,19 @@
 syn match	ppdContraints	"^*UIConstraints:"
 
 " Define the default highlighting.
-" For version 5.7 and earlier: only when not done already
-" For version 5.8 and later: only when an item doesn't have highlighting yet
-if version >= 508 || !exists("did_ahdl_syn_inits")
-  if version < 508
-    let did_ahdl_syn_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+" Only when an item doesn't have highlighting yet
+command -nargs=+ HiLink hi def link <args>
 
 
-  HiLink ppdComment		Comment
-  HiLink ppdDefine		Statement
-  HiLink ppdUI			Function
-  HiLink ppdUIGroup		Function
-  HiLink ppdDef			String
-  HiLink ppdGUIText		Type
-  HiLink ppdContraints		Special
+HiLink ppdComment		Comment
+HiLink ppdDefine		Statement
+HiLink ppdUI			Function
+HiLink ppdUIGroup		Function
+HiLink ppdDef			String
+HiLink ppdGUIText		Type
+HiLink ppdContraints		Special
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "ppd"