diff --git a/src/lib/languages.ts b/src/lib/languages.ts
index 30e74522eaa0d391210e8f85b870e9cc62b56502..b9238edde46be72d6b7a5db044b063e57666efff 100644
--- a/src/lib/languages.ts
+++ b/src/lib/languages.ts
@@ -31,7 +31,6 @@   'postcss',
   'sass',
   'scss',
   'stylus',
-  'sugarss',
   // js
   'javascript',
   'javascriptreact',
diff --git a/src/lsp/util/css.ts b/src/lsp/util/css.ts
index e77ac5a6b5b00beda6ddeea1fa2b6d506aef783b..84b788889c876707b4201ba3d2093b8bb472dd2f 100644
--- a/src/lsp/util/css.ts
+++ b/src/lsp/util/css.ts
@@ -9,7 +9,6 @@   'postcss',
   'sass',
   'scss',
   'stylus',
-  'sugarss',
 ]
 
 function isCssDoc(state: State, doc: TextDocument): boolean {