diff --git a/docs/server-statemachine.dot b/docs/server-statemachine.dot
deleted file mode 100644
index d3a2215..0000000
--- a/docs/server-statemachine.dot
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
-. thinking about state-machine from "hand-drawn" perspective
-. will it look the same as an Automat one?
-**/
-
-digraph {
-        listening -> wait_relay [label="connection_made"]
-
-        wait_relay -> wait_partner [label="please_relay\nFindPartner"]
-        wait_relay -> wait_partner [label="please_relay_for_side\nFindPartner"]
-        wait_relay -> done [label="invalid_token\nSend('bad handshake')\nDisconnect"]
-        wait_relay -> done [label="connection_lost"]
-
-        wait_partner -> relaying [label="got_partner\nConnectPartner(partner)\nSend('ok')"]
-        wait_partner -> done [label="got_bytes\nDisconnect"]
-        wait_partner -> done [label="connection_lost"]
-
-        relaying -> relaying [label="got_bytes\nSend(bytes)"]
-        relaying -> done [label="partner_connection_lost\nDisconnectMe"]
-        relaying -> done [label="connection_lost\nDisconnectPartner"]
-}
-