diff --git a/packages/server/src/controllers/text-to-speech/index.ts b/packages/server/src/controllers/text-to-speech/index.ts
index 7664a2a77e0..6e8bb01baa2 100644
--- a/packages/server/src/controllers/text-to-speech/index.ts
+++ b/packages/server/src/controllers/text-to-speech/index.ts
@@ -89,8 +89,6 @@ const generateTextToSpeech = async (req: Request, res: Response) => {
         res.setHeader('Content-Type', 'text/event-stream')
         res.setHeader('Cache-Control', 'no-cache')
         res.setHeader('Connection', 'keep-alive')
-        res.setHeader('Access-Control-Allow-Origin', '*')
-        res.setHeader('Access-Control-Allow-Headers', 'Cache-Control')
 
         const appServer = getRunningExpressApp()
         const options = {