diff --git a/OpenRA.Mods.RA/Warheads/CreateEffectWarhead.cs b/OpenRA.Mods.RA/Warheads/CreateEffectWarhead.cs
index 7fe28579de..0abcedfafd 100644
--- a/OpenRA.Mods.RA/Warheads/CreateEffectWarhead.cs
+++ b/OpenRA.Mods.RA/Warheads/CreateEffectWarhead.cs
@@ -34,11 +34,6 @@ namespace OpenRA.Mods.RA
 		[Desc("What impact types should this effect NOT apply to.", "Overrides ValidImpactTypes.")]
 		public readonly ImpactType InvalidImpactTypes = ImpactType.None;
 
-		public override void DoImpact(Target target, Actor firedBy, float firepowerModifier)
-		{
-			DoImpact(target.CenterPosition, firedBy, firepowerModifier);
-		}
-
 		public static ImpactType GetImpactType(World world, CPos cell, WPos pos)
 		{
 			var isAir = pos.Z > 0;
@@ -79,8 +74,9 @@ namespace OpenRA.Mods.RA
 			return false;
 		}
 
-		public void DoImpact(WPos pos, Actor firedBy, float firepowerModifier)
+		public override void DoImpact(Target target, Actor firedBy, float firepowerModifier)
 		{
+			var pos = target.CenterPosition;
 			var world = firedBy.World;
 			var targetTile = world.Map.CellContaining(pos);
 			var isValid = IsValidImpact(pos, firedBy);
diff --git a/OpenRA.Mods.RA/Warheads/CreateResourceWarhead.cs b/OpenRA.Mods.RA/Warheads/CreateResourceWarhead.cs
index 86743323ce..cd088f7b84 100644
--- a/OpenRA.Mods.RA/Warheads/CreateResourceWarhead.cs
+++ b/OpenRA.Mods.RA/Warheads/CreateResourceWarhead.cs
@@ -27,17 +27,12 @@ namespace OpenRA.Mods.RA
 		// TODO: Allow maximum resource splatter to be defined. (Per tile, and in total).
 
 		public override void DoImpact(Target target, Actor firedBy, float firepowerModifier)
-		{
-			DoImpact(target.CenterPosition, firedBy, firepowerModifier);
-		}
-
-		public void DoImpact(WPos pos, Actor firedBy, float firepowerModifier)
 		{
 			if (string.IsNullOrEmpty(AddsResourceType))
 				return;
 
 			var world = firedBy.World;
-			var targetTile = world.Map.CellContaining(pos);
+			var targetTile = world.Map.CellContaining(target.CenterPosition);
 			var resLayer =  world.WorldActor.Trait<ResourceLayer>();
 
 			var minRange = (Size.Length > 1 && Size[1] > 0) ? Size[1] : 0;
diff --git a/OpenRA.Mods.RA/Warheads/DestroyResourceWarhead.cs b/OpenRA.Mods.RA/Warheads/DestroyResourceWarhead.cs
index 4bde5a3693..bd4048a9d1 100644
--- a/OpenRA.Mods.RA/Warheads/DestroyResourceWarhead.cs
+++ b/OpenRA.Mods.RA/Warheads/DestroyResourceWarhead.cs
@@ -24,14 +24,9 @@ namespace OpenRA.Mods.RA
 		// TODO: Allow maximum resource removal to be defined. (Per tile, and in total).
 
 		public override void DoImpact(Target target, Actor firedBy, float firepowerModifier)
-		{
-			DoImpact(target.CenterPosition, firedBy, firepowerModifier);
-		}
-
-		public void DoImpact(WPos pos, Actor firedBy, float firepowerModifier)
 		{
 			var world = firedBy.World;
-			var targetTile = world.Map.CellContaining(pos);
+			var targetTile = world.Map.CellContaining(target.CenterPosition);
 			var resLayer = world.WorldActor.Trait<ResourceLayer>();
 
 			var minRange = (Size.Length > 1 && Size[1] > 0) ? Size[1] : 0;
diff --git a/OpenRA.Mods.RA/Warheads/LeaveSmudgeWarhead.cs b/OpenRA.Mods.RA/Warheads/LeaveSmudgeWarhead.cs
index 2b051f5555..27bc6e4096 100644
--- a/OpenRA.Mods.RA/Warheads/LeaveSmudgeWarhead.cs
+++ b/OpenRA.Mods.RA/Warheads/LeaveSmudgeWarhead.cs
@@ -26,14 +26,9 @@ namespace OpenRA.Mods.RA
 		public readonly string[] SmudgeType = { };
 
 		public override void DoImpact(Target target, Actor firedBy, float firepowerModifier)
-		{
-			DoImpact(target.CenterPosition, firedBy, firepowerModifier);
-		}
-
-		public void DoImpact(WPos pos, Actor firedBy, float firepowerModifier)
 		{
 			var world = firedBy.World;
-			var targetTile = world.Map.CellContaining(pos);
+			var targetTile = world.Map.CellContaining(target.CenterPosition);
 			var smudgeLayers = world.WorldActor.TraitsImplementing<SmudgeLayer>().ToDictionary(x => x.Info.Type);
 
 			var minRange = (Size.Length > 1 && Size[1] > 0) ? Size[1] : 0;