diff --git a/runtime/syntax/asmh8300.vim b/runtime/syntax/asmh8300.vim
index 48699d8..5134c51 100644
--- a/runtime/syntax/asmh8300.vim
+++ b/runtime/syntax/asmh8300.vim
@@ -3,11 +3,8 @@
 " Maintainer:	Kevin Dahlhausen <kdahlhaus@yahoo.com>
 " Last Change:	2002 Sep 19
 
-" 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
 
@@ -52,33 +49,21 @@
 
 
 " Read the general asm syntax
-if version < 600
-  source <sfile>:p:h/asm.vim
-else
-  runtime! syntax/asm.vim
-endif
+runtime! syntax/asm.vim
 
 
 " 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_hitachi_syntax_inits")
-  if version < 508
-    let did_hitachi_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 asmOpcode  Statement
-  HiLink asmRegister  Identifier
+HiLink asmOpcode  Statement
+HiLink asmRegister  Identifier
 
-  " My default-color overrides:
-  "hi asmOpcode ctermfg=yellow
-  "hi asmReg	ctermfg=lightmagenta
+" My default-color overrides:
+"hi asmOpcode ctermfg=yellow
+"hi asmReg	ctermfg=lightmagenta
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "asmh8300"