diff --git a/runtime/syntax/sindacmp.vim b/runtime/syntax/sindacmp.vim
index 87b4834..28c3cdc 100644
--- a/runtime/syntax/sindacmp.vim
+++ b/runtime/syntax/sindacmp.vim
@@ -8,11 +8,8 @@
 
 
 
-" 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
 
@@ -45,28 +42,20 @@
 
 
 " 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_sindacmp_syntax_inits")
-  if version < 508
-    let did_sindacmp_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 sindacmpTitle		     Type
-  HiLink sindacmpUnit		     PreProc
+HiLink sindacmpTitle		     Type
+HiLink sindacmpUnit		     PreProc
 
-  HiLink sindacmpLabel		     Statement
+HiLink sindacmpLabel		     Statement
 
-  HiLink sindacmpHeader		     sindaHeader
+HiLink sindacmpHeader		     sindaHeader
 
-  HiLink sindacmpInteger	     Number
-  HiLink sindacmpFloat		     Special
+HiLink sindacmpInteger	     Number
+HiLink sindacmpFloat		     Special
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 
 let b:current_syntax = "sindacmp"