diff --git a/src/conf/nginx.conf b/src/conf/nginx.conf
index 3af4d25..c6a55ef 100644
--- a/src/conf/nginx.conf
+++ b/src/conf/nginx.conf
@@ -8,7 +8,6 @@ env NETACEA_PROTECTOR_API_URL;
 env NETACEA_PROTECTION_MODE;
 env NETACEA_API_KEY;
 env NETACEA_COOKIE_ENCRYPTION_KEY;
-env NETACEA_SECRET_KEY;
 env NETACEA_INGEST_ENABLED;
 env NETACEA_REAL_IP_HEADER;
 env NETACEA_REAL_IP_HEADER_INDEX;