diff --git a/runtime/syntax/cynlib.vim b/runtime/syntax/cynlib.vim
index a998507..5338c61 100644
--- a/runtime/syntax/cynlib.vim
+++ b/runtime/syntax/cynlib.vim
@@ -15,22 +15,15 @@
 
 
 " Remove any old syntax stuff hanging around
-" 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
 
 
 
 " Read the C++ syntax to start with - this includes the C syntax
-if version < 600
-  source <sfile>:p:h/cpp.vim
-else
-  runtime! syntax/cpp.vim
-endif
+runtime! syntax/cpp.vim
 unlet b:current_syntax
 
 " Cynlib extensions
@@ -69,23 +62,15 @@
 syn keyword	cynlibType	   In Out InST OutST Int Uint Const Cynclock
 
 " 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_cynlib_syntax_inits")
-  if version < 508
-    let did_cynlib_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 cynlibOperator   Operator
-  HiLink cynlibMacro      Statement
-  HiLink cynlibFunction   Statement
-  HiLink cynlibppMacro      Statement
-  HiLink cynlibType       Type
+HiLink cynlibOperator   Operator
+HiLink cynlibMacro      Statement
+HiLink cynlibFunction   Statement
+HiLink cynlibppMacro      Statement
+HiLink cynlibType       Type
 
-  delcommand HiLink
-endif
+delcommand HiLink
 
 let b:current_syntax = "cynlib"