diff --git a/runtime/syntax/dtd.vim b/runtime/syntax/dtd.vim
index e00c70d..ae0bd12 100644
--- a/runtime/syntax/dtd.vim
+++ b/runtime/syntax/dtd.vim
@@ -127,32 +127,30 @@
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
-command -nargs=+ HiLink hi def link <args>
 
 " The default highlighting.
-HiLink dtdFunction		Function
-HiLink dtdTag		Normal
-HiLink dtdType		Type
-HiLink dtdAttrType		dtdType
-HiLink dtdAttrDef		dtdType
-HiLink dtdConstant		Constant
-HiLink dtdString		dtdConstant
-HiLink dtdEnum		dtdConstant
-HiLink dtdCard		dtdFunction
+hi def link dtdFunction		Function
+hi def link dtdTag		Normal
+hi def link dtdType		Type
+hi def link dtdAttrType		dtdType
+hi def link dtdAttrDef		dtdType
+hi def link dtdConstant		Constant
+hi def link dtdString		dtdConstant
+hi def link dtdEnum		dtdConstant
+hi def link dtdCard		dtdFunction
 
-HiLink dtdEntity		Statement
-HiLink dtdEntityPunct	dtdType
-HiLink dtdParamEntityInst	dtdConstant
-HiLink dtdParamEntityPunct	dtdType
-HiLink dtdParamEntityDecl	dtdType
-HiLink dtdParamEntityDPunct dtdComment
+hi def link dtdEntity		Statement
+hi def link dtdEntityPunct	dtdType
+hi def link dtdParamEntityInst	dtdConstant
+hi def link dtdParamEntityPunct	dtdType
+hi def link dtdParamEntityDecl	dtdType
+hi def link dtdParamEntityDPunct dtdComment
 
-HiLink dtdComment		Comment
-HiLink dtdTagName		Statement
-HiLink dtdError		Error
-HiLink dtdTodo		Todo
+hi def link dtdComment		Comment
+hi def link dtdTagName		Statement
+hi def link dtdError		Error
+hi def link dtdTodo		Todo
 
-delcommand HiLink
 
 let &cpo = s:dtd_cpo_save
 unlet s:dtd_cpo_save