diff --git a/known_servers/known_servers.test-synapse-upgrade-server.yaml b/known_servers/known_servers.test-synapse-upgrade-server.yaml
index 5b15860..7e7fa22 100644
--- a/known_servers/known_servers.test-synapse-upgrade-server.yaml
+++ b/known_servers/known_servers.test-synapse-upgrade-server.yaml
@@ -1,6 +1,3 @@
 ## This file will be read by the RSB servers for federation whitelisting
   - transport.transport01.raiden.network
-  - transport.transport02.raiden.network
-  - transport.transport03.raiden.network
-  - transport.transport04.raiden.network
   - transport.transport05.raiden.network