diff --git a/after/syntax/css/css-values.vim b/after/syntax/css/css-values-3.vim
similarity index 80%
rename from after/syntax/css/css-values.vim
rename to after/syntax/css/css-values-3.vim
index 7063d4a..4f70987 100644
--- a/after/syntax/css/css-values.vim
+++ b/after/syntax/css/css-values-3.vim
@@ -1,3 +1,3 @@
 syn match cssValueLength contained "[-+]\=\d\+\(\.\d*\)\=\(ch\|vw\|vh\|vmin\|vmax\|q\)"
 syn match cssValueAngle contained "[-+]\=\d\+\(\.\d*\)\=turn"
-syn region cssFunction contained matchgroup=cssFunctionName start="\<\(calc\|toggle\)\s*(" end=")" oneline keepend
+syn region cssFunction contained matchgroup=cssFunctionName start="\<calc\s*(" end=")" oneline keepend
diff --git a/after/syntax/html.vim b/after/syntax/html.vim
index b68ee4f..0096bf0 100644
--- a/after/syntax/html.vim
+++ b/after/syntax/html.vim
@@ -32,7 +32,7 @@ syn include @htmlCss syntax/css/css-text-4.vim
 syn include @htmlCss syntax/css/css-text-decor-3.vim
 syn include @htmlCss syntax/css/css-ui-3.vim
 syn include @htmlCss syntax/css/css-ui-4.vim
-syn include @htmlCss syntax/css/css-values.vim
+syn include @htmlCss syntax/css/css-values-3.vim
 syn include @htmlCss syntax/css/css-variables.vim
 syn include @htmlCss syntax/css/css-will-change-1.vim
 syn include @htmlCss syntax/css/css-writing-modes-3.vim
diff --git a/test/test.css b/test/test.css
index c6d50aa..bb409f4 100644
--- a/test/test.css
+++ b/test/test.css
@@ -698,7 +698,6 @@
   display: 1q;
   display: 1turn;
   display: calc(100%/3 - 2*1em - 2*1px);
-  display: toggle(italic, normal);
 }
 
 .variables {
diff --git a/test/test.html b/test/test.html
index 71b7494..b616cfd 100644
--- a/test/test.html
+++ b/test/test.html
@@ -764,7 +764,6 @@
   display: 1q;
   display: 1turn;
   display: calc(100%/3 - 2*1em - 2*1px);
-  display: toggle(italic, normal);
 }
 </style>
 <style>