--- a/src/rps_bots.erl	Sun Mar 02 22:08:58 2014 +0900
+++ b/src/rps_bots.erl	Sun Mar 02 22:10:59 2014 +0900
@@ -9,7 +9,6 @@
 fool(joined) ->
     receive
         {room, Room} ->
-            Room ! {nickname, self(), "fool"},
             random:seed(now()),
             fool(Room)
     end;
@@ -31,7 +30,6 @@
 copycat(joined) ->
     receive
         {room, Room} ->
-            Room ! {nickname, self(), "copycat"},
             copycat(Room, hd(get_rules()))
     end.
 
@@ -51,7 +49,6 @@
 gambler(joined) ->
     receive
         {room, Room} ->
-            Room ! {nickname, self(), "gambler"},
             Wins = dict:from_list([{C, 0} || C <- get_rules()]),
             gambler(Room, Wins)
     end.

--- a/src/rps_room.erl	Sun Mar 02 22:08:58 2014 +0900
+++ b/src/rps_room.erl	Sun Mar 02 22:10:59 2014 +0900
@@ -2,7 +2,7 @@
 -import(rps3, [get_rules/0, winning_hand/1]).
 -export([room/1]).
 
--record(state, {players=[], choices=[], nicknames=dict:new()}).
+-record(state, {players=[], choices=[]}).
 
 % winner for 3 players is:
 % rock, rock, rock      -> undefined
@@ -41,10 +41,8 @@
     lists:foreach(fun(Player) -> Player ! Msg end, Players),
     room(Players);
 
-room(State=#state{choices=Choices, nicknames=Nicknames}) ->
+room(State=#state{choices=Choices}) ->
     receive
-        {nickname, Who, Nickname} ->
-            room(State#state{nicknames=dict:store(Who, Nickname, Nicknames)});
         {Hand, Who} ->
             ObjectIsOk = lists:any(fun(X) -> X =:= Hand end, get_rules()),
             ChoiceMade = lists:keymember(Who, 2, Choices),