diff --git a/packages/tailwindcss-language-server/src/lib/extractClassNames.ts b/packages/tailwindcss-language-server/src/lib/extractClassNames.ts
index d56521863251163c1a333f93a54e764fe275c933..31133ebfcb97e1ce8c46e28d182c7b8656308d3f 100644
--- a/packages/tailwindcss-language-server/src/lib/extractClassNames.ts
+++ b/packages/tailwindcss-language-server/src/lib/extractClassNames.ts
@@ -52,7 +52,7 @@
   return classNames
 }
 
-async function process(root: Root | Document) {
+async function process(root: Root) {
   const tree = {}
   const commonContext = {}