diff --git a/ansible/templates/solana-rpc.service.j2 b/ansible/templates/solana-rpc.service.j2
index c771f71..ff047b7 100644
--- a/ansible/templates/solana-rpc.service.j2
+++ b/ansible/templates/solana-rpc.service.j2
@@ -19,7 +19,6 @@ ExecStart={{ solana_validator_bin }} \
   --accounts {{ solana_accounts_dir }} \
   --rpc-bind-address {{ solana_rpc_bind_address }} \
   --rpc-port {{ solana_rpc_port }} \
-  --rpc-pubsub-port {{ solana_rpc_pubsub_port }} \
   --dynamic-port-range {{ solana_dynamic_port_range }}{% for ep in solana_entrypoints %} \
   --entrypoint {{ ep }}{% endfor %}{% for kv in solana_known_validators %} \
   --known-validator {{ kv }}{% endfor %}{% if solana_geyser_enabled | bool %} \
diff --git a/doc/etap-006-agave-install-identity-start.md b/doc/etap-006-agave-install-identity-start.md
index aca6df5..fd63759 100644
--- a/doc/etap-006-agave-install-identity-start.md
+++ b/doc/etap-006-agave-install-identity-start.md
@@ -26,3 +26,4 @@ Cel etapu: domknąć bootstrap uruchomienia `solana-rpc` jako `solana` przez:
 - `identity` istnieje pod `/var/lib/solana/identity.json` (owner `solana`).
 - `systemctl is-active solana-rpc` zwraca `active`.
 - Endpoint `http://127.0.0.1:8899` odpowiada na JSON-RPC.
+- Websocket (pubsub) jest na porcie `solana_rpc_port + 1` (czyli domyślnie `8900` przy `8899`).