diff --git a/runtime/syntax/dosini.vim b/runtime/syntax/dosini.vim
index e474f21..2d8086b 100644
--- a/runtime/syntax/dosini.vim
+++ b/runtime/syntax/dosini.vim
@@ -9,11 +9,8 @@
 " Last Change:            2011 Nov 8
 
 
-" 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
 
@@ -28,23 +25,15 @@
 syn match  dosiniComment  "^[#;].*$"
 
 " 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_dosini_syntax_inits")
-  if version < 508
-    let did_dosini_syntax_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 dosiniNumber   Number
-  HiLink dosiniHeader   Special
-  HiLink dosiniComment  Comment
-  HiLink dosiniLabel    Type
+HiLink dosiniNumber   Number
+HiLink dosiniHeader   Special
+HiLink dosiniComment  Comment
+HiLink dosiniLabel    Type
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "dosini"