diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index 631ce4727d..cfa53ae14e 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -169,7 +169,6 @@
     <Compile Include="Traits\Activities\Repair.cs" />
     <Compile Include="Traits\Activities\ReturnToBase.cs" />
     <Compile Include="Traits\Activities\Sell.cs" />
-    <Compile Include="Traits\Activities\Steal.cs" />
     <Compile Include="Traits\Activities\Teleport.cs" />
     <Compile Include="BuildingInfluenceMap.cs" />
     <Compile Include="Orders\IOrderGenerator.cs" />
diff --git a/OpenRa.Game/Traits/Activities/Steal.cs b/OpenRa.Game/Traits/Activities/Steal.cs
deleted file mode 100644
index bee55ff22a..0000000000
--- a/OpenRa.Game/Traits/Activities/Steal.cs
+++ /dev/null
@@ -1,5 +0,0 @@
-
-namespace OpenRa.Traits.Activities
-{
-
-}
diff --git a/OpenRa.Game/Traits/GeneratesGap.cs b/OpenRa.Game/Traits/GeneratesGap.cs
index 74ce3ad971..4aa84b7927 100644
--- a/OpenRa.Game/Traits/GeneratesGap.cs
+++ b/OpenRa.Game/Traits/GeneratesGap.cs
@@ -26,11 +26,9 @@ namespace OpenRa.Traits
 			int range = self.Info.Traits.Get<GeneratesGapInfo>().Range;
 
 			// Gap Generator building; powered down
-			if (self.traits.Contains<Building>() && self.traits.Get<Building>().Disabled)
-				yield break;
-
-			foreach (var t in Game.FindTilesInCircle(self.Location, range))
-				yield return t;
+			return (self.traits.Contains<Building>() && self.traits.Get<Building>().Disabled) 
+				? new int2[] {} 
+				: Game.FindTilesInCircle(self.Location, range);
 		}
 	}
 }