diff --git a/runtime/syntax/snnsres.vim b/runtime/syntax/snnsres.vim
index 2d27916..2f19b67 100644
--- a/runtime/syntax/snnsres.vim
+++ b/runtime/syntax/snnsres.vim
@@ -36,16 +36,14 @@
 syn match	snnsresComment	"#.*$" contains=snnsresTodo
 syn keyword	snnsresTodo	TODO XXX FIXME contained
 
-command -nargs=+ HiLink hi def link <args>
 
-HiLink snnsresGen		Statement
-HiLink snnsresHeader		Statement
-HiLink snnsresNoHeader	Define
-HiLink snnsresNumbers		Number
-HiLink snnsresComment		Comment
-HiLink snnsresTodo		Todo
+hi def link snnsresGen		Statement
+hi def link snnsresHeader		Statement
+hi def link snnsresNoHeader	Define
+hi def link snnsresNumbers		Number
+hi def link snnsresComment		Comment
+hi def link snnsresTodo		Todo
 
-delcommand HiLink
 
 let b:current_syntax = "snnsres"