diff --git a/runtime/syntax/pli.vim b/runtime/syntax/pli.vim
index 9c74f9b..a274cc4 100644
--- a/runtime/syntax/pli.vim
+++ b/runtime/syntax/pli.vim
@@ -222,47 +222,45 @@
 
 " Define the default highlighting.
 " Only when and item doesn't have highlighting yet.
-command -nargs=+ HiLink hi def link <args>
 
-HiLink pl1Attribute       Macro
-HiLink pl1BlockError      Error
-HiLink pl1BooleanLiteral  Boolean
-HiLink pl1CharLiteral     Character
-HiLink pl1Comment         Comment
-HiLink pl1CommentL        Comment
-HiLink pl1Conditional     Conditional
-HiLink pl1Error           Error
-HiLink pl1ErrInBracket    Error
-HiLink pl1ErrInBlock      Error
-HiLink pl1ErrInParen      Error
-HiLink pl1Exception       Function
-HiLink pl1FloatLiteral    Float
-HiLink pl1Function        Function
-HiLink pl1Garbage         Error
-HiLink pl1HostIdentifier  Label
-HiLink pl1Identifier      Normal
-HiLink pl1IntLiteral      Number
-HiLink pl1Operator        Operator
-HiLink pl1Paren           Normal
-HiLink pl1ParenError      Error
-HiLink pl1SpaceError      Error
-HiLink pl1Pseudo          PreProc
-HiLink pl1PreProc         PreProc
-HiLink pl1PreProcSym      PreProc
-HiLink pl1Keyword         Keyword
-HiLink pl1Other           Keyword
-HiLink pl1Repeat          Repeat
-HiLink pl1Statement       Keyword
-HiLink pl1Storage         StorageClass
-HiLink pl1StringError     Error
-HiLink pl1StringLiteral   String
-HiLink pl1CommentString   String
-HiLink pl1Comment2String  String
-HiLink pl1Symbol          Normal
-HiLink pl1Trigger         Function
-HiLink pl1TypeAttribute   StorageClass
-HiLink pl1Todo            Todo
+hi def link pl1Attribute       Macro
+hi def link pl1BlockError      Error
+hi def link pl1BooleanLiteral  Boolean
+hi def link pl1CharLiteral     Character
+hi def link pl1Comment         Comment
+hi def link pl1CommentL        Comment
+hi def link pl1Conditional     Conditional
+hi def link pl1Error           Error
+hi def link pl1ErrInBracket    Error
+hi def link pl1ErrInBlock      Error
+hi def link pl1ErrInParen      Error
+hi def link pl1Exception       Function
+hi def link pl1FloatLiteral    Float
+hi def link pl1Function        Function
+hi def link pl1Garbage         Error
+hi def link pl1HostIdentifier  Label
+hi def link pl1Identifier      Normal
+hi def link pl1IntLiteral      Number
+hi def link pl1Operator        Operator
+hi def link pl1Paren           Normal
+hi def link pl1ParenError      Error
+hi def link pl1SpaceError      Error
+hi def link pl1Pseudo          PreProc
+hi def link pl1PreProc         PreProc
+hi def link pl1PreProcSym      PreProc
+hi def link pl1Keyword         Keyword
+hi def link pl1Other           Keyword
+hi def link pl1Repeat          Repeat
+hi def link pl1Statement       Keyword
+hi def link pl1Storage         StorageClass
+hi def link pl1StringError     Error
+hi def link pl1StringLiteral   String
+hi def link pl1CommentString   String
+hi def link pl1Comment2String  String
+hi def link pl1Symbol          Normal
+hi def link pl1Trigger         Function
+hi def link pl1TypeAttribute   StorageClass
+hi def link pl1Todo            Todo
 
-delcommand HiLink
 
 let b:current_syntax = "pl1"