diff --git a/runtime/syntax/robots.vim b/runtime/syntax/robots.vim
index 066628b..23be8d2 100644
--- a/runtime/syntax/robots.vim
+++ b/runtime/syntax/robots.vim
@@ -5,11 +5,8 @@
 " URL: http://www.mggen.com/vim/syntax/robots.zip
 " Last change:	2001 May 09
 
-" 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
 
@@ -41,26 +38,19 @@
 syn match  robotsMail		"\S*@\S*"
 syn region robotsString		start=+L\="+ skip=+\\\\\|\\"+ end=+"+
 
-if version >= 508 || !exists("did_robos_syntax_inits")
-  if version < 508
-    let did_robots_syntax_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+command -nargs=+ HiLink hi def link <args>
 
-  HiLink robotsComment		Comment
-  HiLink robotsAgent		Type
-  HiLink robotsDisallow		Statement
-  HiLink robotsLine		Special
-  HiLink robotsStar		Operator
-  HiLink robotsDelimiter	Delimiter
-  HiLink robotsUrl		String
-  HiLink robotsMail		String
-  HiLink robotsString		String
+HiLink robotsComment		Comment
+HiLink robotsAgent		Type
+HiLink robotsDisallow		Statement
+HiLink robotsLine		Special
+HiLink robotsStar		Operator
+HiLink robotsDelimiter	Delimiter
+HiLink robotsUrl		String
+HiLink robotsMail		String
+HiLink robotsString		String
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 
 let b:current_syntax = "robots"