diff --git a/packages/tailwindcss-language-server/src/server.ts b/packages/tailwindcss-language-server/src/server.ts
index b1b0c436d9b74d09c26cc76d03fd0e925c40f44e..a038aeab6f556f6c34d088e0f2109c57a8b26300 100644
--- a/packages/tailwindcss-language-server/src/server.ts
+++ b/packages/tailwindcss-language-server/src/server.ts
@@ -133,6 +133,21 @@ process.on('unhandledRejection', (e: any) => {
   connection.console.error(formatError(`Unhandled exception`, e))
 })
 
+function deletePropertyPath(obj: any, path: string | string[]): void {
+  if (typeof path === 'string') {
+    path = path.split('.')
+  }
+
+  for (let i = 0; i < path.length - 1; i++) {
+    obj = obj[path[i]]
+    if (typeof obj === 'undefined') {
+      return
+    }
+  }
+
+  delete obj[path.pop()]
+}
+
 function getConfigId(configPath: string, configDependencies: string[]): string {
   return JSON.stringify(
     [configPath, ...configDependencies].map((file) => [file, fs.statSync(file).mtimeMs])