diff --git a/after/syntax/css/css-display-3.vim b/after/syntax/css/css-display-3.vim
index 97f30dd..ad41500 100644
--- a/after/syntax/css/css-display-3.vim
+++ b/after/syntax/css/css-display-3.vim
@@ -1,5 +1,4 @@
 " TODO: create cssDisplayProp group and cssDisplayAttr group
-syn match cssFontProp contained "\<box-suppress\>"
 syn keyword cssFontAttr contained contents discard
 syn match cssFontAttr contained "\<flow\(-root\)\=\>"
 syn match cssFontAttr contained "\<inline-list-item\>"
diff --git a/test/test.css b/test/test.css
index f7aaf7a..dc2e10d 100644
--- a/test/test.css
+++ b/test/test.css
@@ -205,7 +205,7 @@
 }
 
 .display-3 {
-  box-suppress: flow;
+  display: flow;
   display: flow-root;
   display: contents;
   display: inline-list-item;
diff --git a/test/test.html b/test/test.html
index c9472e3..41cbfbc 100644
--- a/test/test.html
+++ b/test/test.html
@@ -231,7 +231,7 @@
 </style>
 <style>
 .display-3 {
-  box-suppress: flow;
+  display: flow;
   display: flow-root;
   display: contents;
   display: inline-list-item;