diff --git a/syntax/ats.vim b/syntax/ats.vim
index e5e517a..a264a83 100644
--- a/syntax/ats.vim
+++ b/syntax/ats.vim
@@ -96,9 +96,9 @@ syn match   atsPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
 syn region  atsCppOut start="^\s*\(%\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=atsCppOut2
 syn region  atsCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=atsCppSkip
 syn region  atsCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=atsCppSkip
-syn region  atsIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
-syn match   atsIncluded display contained "<[^>]*>"
-syn match   atsInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=atsIncluded
+syn region  atsIncluded contained start=+"+ skip=+\\\\\|\\"+ end=+"+
+syn match   atsIncluded contained "<[^>]*>"
+syn match   atsInclude "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=atsIncluded
 syn cluster atsPreProcGroup contains=atsPreCondit,atsIncluded,atsInclude,atsDefine,atsCppOut,atsCppOut2,atsCppSkip
 syn region  atsDefine matchgroup=atsPreCondit start="\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$"
 syn region  atsPreProc matchgroup=atsPreCondit start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend