diff --git a/packages/api/src/routers/api/clickhouseProxy.ts b/packages/api/src/routers/api/clickhouseProxy.ts
index efa95379a..201159ed7 100644
--- a/packages/api/src/routers/api/clickhouseProxy.ts
+++ b/packages/api/src/routers/api/clickhouseProxy.ts
@@ -25,8 +25,6 @@ router.post(
     try {
       const result = await fetch(`${host}/?query=SELECT 1`, {
         headers: {
-          'X-ClickHouse-User': username || '',
-          'X-ClickHouse-Key': password || '',
         },
         signal: AbortSignal.timeout(2000),
       });
@@ -127,16 +125,6 @@ const proxyMiddleware: RequestHandler =
         // @ts-expect-error _req.query is type ParamQs, which doesn't play nicely with URLSearchParams. TODO: Replace with getting query params from _req.url eventually
         const qparams = new URLSearchParams(_req.query);
 
-        if (_req._hdx_connection?.username) {
-          proxyReq.setHeader(
-            'X-ClickHouse-User',
-            _req._hdx_connection.username,
-          );
-        }
-        // Passwords can be empty
-        if (_req._hdx_connection?.password) {
-          proxyReq.setHeader('X-ClickHouse-Key', _req._hdx_connection.password);
-        }
 
         if (_req.method === 'POST') {
           // TODO: Use fixRequestBody after this issue is resolved: https://github.com/chimurai/http-proxy-middleware/issues/1102