diff --git a/OpenRA.Mods.Common/Traits/Buildings/Exit.cs b/OpenRA.Mods.Common/Traits/Buildings/Exit.cs
index 54b35ac4a9..7940d1c522 100644
--- a/OpenRA.Mods.Common/Traits/Buildings/Exit.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/Exit.cs
@@ -15,7 +15,7 @@ using OpenRA.Traits;
 namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Where the unit should leave the building. Multiples are allowed if IDs are added: Exit@2, ...")]
-	public class ExitInfo : TraitInfo<Exit>
+	public class ExitInfo : TraitInfo<Exit>, Requires<IOccupySpaceInfo>
 	{
 		[Desc("Offset at which that the exiting actor is spawned relative to the center of the producing actor.")]
 		public readonly WVec SpawnOffset = WVec.Zero;
diff --git a/OpenRA.Mods.Common/Traits/Production.cs b/OpenRA.Mods.Common/Traits/Production.cs
index 87c033c7bf..99b340b268 100644
--- a/OpenRA.Mods.Common/Traits/Production.cs
+++ b/OpenRA.Mods.Common/Traits/Production.cs
@@ -32,7 +32,7 @@ namespace OpenRA.Mods.Common.Traits
 	{
 		readonly Lazy<RallyPoint> rp;
 
-		public ProductionInfo Info;
+		public readonly ProductionInfo Info;
 		public string Faction { get; private set; }
 
 		readonly bool occupiesSpace;
@@ -40,7 +40,7 @@ namespace OpenRA.Mods.Common.Traits
 		public Production(ActorInitializer init, ProductionInfo info)
 		{
 			Info = info;
-			occupiesSpace = init.Self.Info.Traits.WithInterface<IOccupySpaceInfo>().Any();
+			occupiesSpace = init.Self.Info.Traits.Contains<IOccupySpaceInfo>();
 			rp = Exts.Lazy(() => init.Self.IsDead ? null : init.Self.TraitOrDefault<RallyPoint>());
 			Faction = init.Contains<FactionInit>() ? init.Get<FactionInit, string>() : init.Self.Owner.Faction.InternalName;
 		}
@@ -118,17 +118,11 @@ namespace OpenRA.Mods.Common.Traits
 			if (Reservable.IsReserved(self))
 				return false;
 
-			if (!occupiesSpace)
-			{
-				DoProduction(self, producee, null, factionVariant);
-				return true;
-			}
-
 			// Pick a spawn/exit point pair
 			var exit = self.Info.Traits.WithInterface<ExitInfo>().Shuffle(self.World.SharedRandom)
 				.FirstOrDefault(e => CanUseExit(self, producee, e));
 
-			if (exit != null)
+			if (exit != null || !occupiesSpace)
 			{
 				DoProduction(self, producee, exit, factionVariant);
 				return true;
diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index 067043cf12..c3d97a0015 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -56,7 +56,6 @@ conyard:
 		Range: 10c0
 	Production:
 		Produces: Building, Upgrade
-		MoveIntoWorld: false
 	Exit:
 	Valued:
 		Cost: 2000