diff --git a/Modules/CaptainsModule/Commands/PickingCommands.as b/Modules/CaptainsModule/Commands/PickingCommands.as
index d933f56b..7c3bfb4c 100644
--- a/Modules/CaptainsModule/Commands/PickingCommands.as
+++ b/Modules/CaptainsModule/Commands/PickingCommands.as
@@ -69,6 +69,13 @@ class AppointCommand : ChatCommand
 				return;
 			}
 
+			// if admin accidentally wrote the same player's name twice
+			if (blue_leader.getUsername() == red_leader.getUsername() || red_leader.getUsername() == blue_leader.getUsername())
+			{
+				error("One player cannot be a leader in two teams at the same time!");
+				return;
+			}
+
 			rules.set_string("team_0_leader", blue_leader.getUsername());
 			rules.set_string("team_1_leader", red_leader.getUsername());
 
diff --git a/Rules/CommonScripts/ChatCommands.cfg b/Rules/CommonScripts/ChatCommands.cfg
index 3b587acd..6d99566e 100644
--- a/Rules/CommonScripts/ChatCommands.cfg
+++ b/Rules/CommonScripts/ChatCommands.cfg
@@ -43,9 +43,6 @@ commands =
 	togglechclass; 1; 0;
 	bindings; 0; 0;
 	mutevoice; 1; 0;
-	#mutetags; 0; 0;
-	#unmutetags; 0; 0;
-	togglesounds; 0; 0;
 	#sharks; 0; 1;
 	#bisons; 0; 1;