diff --git a/OpenRA.Game/Network/Session.cs b/OpenRA.Game/Network/Session.cs
index c2ebd20f4d..ab231467b0 100644
--- a/OpenRA.Game/Network/Session.cs
+++ b/OpenRA.Game/Network/Session.cs
@@ -198,7 +198,6 @@ namespace OpenRA.Network
 			public int OrderLatency = 3; // net tick frames (x 120 = ms)
 			public int RandomSeed = 0;
 			public bool AllowSpectators = true;
-			public bool AllowVersionMismatch;
 			public string GameUid;
 			public bool EnableSingleplayer;
 			public bool EnableSyncReports;
diff --git a/OpenRA.Game/Server/Server.cs b/OpenRA.Game/Server/Server.cs
index 8fa3abbccd..27f06b1aab 100644
--- a/OpenRA.Game/Server/Server.cs
+++ b/OpenRA.Game/Server/Server.cs
@@ -351,7 +351,7 @@ namespace OpenRA.Server
 					return;
 				}
 
-				if (ModData.Manifest.Metadata.Version != handshake.Version && !LobbyInfo.GlobalSettings.AllowVersionMismatch)
+				if (ModData.Manifest.Metadata.Version != handshake.Version)
 				{
 					Log.Write("server", "Rejected connection from {0}; Not running the same version.",
 						newConn.Socket.RemoteEndPoint);
diff --git a/OpenRA.Game/Settings.cs b/OpenRA.Game/Settings.cs
index 80906cda93..d2591225aa 100644
--- a/OpenRA.Game/Settings.cs
+++ b/OpenRA.Game/Settings.cs
@@ -98,9 +98,6 @@ namespace OpenRA
 		public bool SanityCheckUnsyncedCode = false;
 		public int Samples = 25;
 
-		[Desc("Show incompatible games in server browser.")]
-		public bool IgnoreVersionMismatch = false;
-
 		public bool StrictActivityChecking = false;
 
 		[Desc("Check whether a newer version is available online.")]