diff --git a/OpenRA.Game/Traits/ActivityUtils.cs b/OpenRA.Game/Traits/ActivityUtils.cs
index 00896ab499..9a9e7f331c 100644
--- a/OpenRA.Game/Traits/ActivityUtils.cs
+++ b/OpenRA.Game/Traits/ActivityUtils.cs
@@ -50,11 +50,5 @@ namespace OpenRA.Traits
 
 			return act;
 		}
-
-		public static Activity SequenceActivities(params Activity[] acts)
-		{
-			return acts.Reverse().Aggregate(
-				(next, a) => { a.Queue(next); return a; });
-		}
 	}
 }
diff --git a/OpenRA.Mods.Common/Activities/Resupply.cs b/OpenRA.Mods.Common/Activities/Resupply.cs
index 476768d004..8573cc551b 100644
--- a/OpenRA.Mods.Common/Activities/Resupply.cs
+++ b/OpenRA.Mods.Common/Activities/Resupply.cs
@@ -99,23 +99,19 @@ namespace OpenRA.Mods.Common.Activities
 				(closeEnough.LengthSquared > 0 && !host.IsInRange(self.CenterPosition, closeEnough)))
 			{
 				var targetCell = self.World.Map.CellContaining(host.Actor.CenterPosition);
-				List<Activity> movement = new List<Activity>();
 
-				movement.Add(move.MoveWithinRange(host, closeEnough, targetLineColor: Color.Green));
+				QueueChild(move.MoveWithinRange(host, closeEnough, targetLineColor: Color.Green));
 
 				// HACK: Repairable needs the actor to move to host center.
 				// TODO: Get rid of this or at least replace it with something less hacky.
 				if (repairableNear == null)
-					movement.Add(move.MoveTo(targetCell, host.Actor));
-
-				var moveActivities = ActivityUtils.SequenceActivities(movement.ToArray());
+					QueueChild(move.MoveTo(targetCell, host.Actor));
 
 				var delta = (self.CenterPosition - host.CenterPosition).LengthSquared;
 				var transport = transportCallers.FirstOrDefault(t => t.MinimumDistance.LengthSquared < delta);
 				if (transport != null)
 					transport.RequestTransport(self, targetCell);
 
-				QueueChild(moveActivities);
 				return false;
 			}
 
diff --git a/OpenRA.Mods.Common/Traits/Air/Aircraft.cs b/OpenRA.Mods.Common/Traits/Air/Aircraft.cs
index ec45085bb1..bd9d3be34c 100644
--- a/OpenRA.Mods.Common/Traits/Air/Aircraft.cs
+++ b/OpenRA.Mods.Common/Traits/Air/Aircraft.cs
@@ -858,9 +858,9 @@ namespace OpenRA.Mods.Common.Traits
 		public Activity VisualMove(Actor self, WPos fromPos, WPos toPos)
 		{
 			// TODO: Ignore repulsion when moving
-			return ActivityUtils.SequenceActivities(
-				new CallFunc(() => SetVisualPosition(self, fromPos)),
-				new Fly(self, Target.FromPos(toPos)));
+			var activities = new CallFunc(() => SetVisualPosition(self, fromPos));
+			activities.Queue(new Fly(self, Target.FromPos(toPos)));
+			return activities;
 		}
 
 		public int EstimatedMoveDuration(Actor self, WPos fromPos, WPos toPos)
diff --git a/OpenRA.Mods.Common/Traits/Mobile.cs b/OpenRA.Mods.Common/Traits/Mobile.cs
index fd30b17e7c..7493158bd2 100644
--- a/OpenRA.Mods.Common/Traits/Mobile.cs
+++ b/OpenRA.Mods.Common/Traits/Mobile.cs
@@ -319,10 +319,9 @@ namespace OpenRA.Mods.Common.Traits
 				if (cellInfo != null)
 				{
 					self.CancelActivity();
-					var notifyBlocking = new CallFunc(() => self.NotifyBlocker(cellInfo.Cell));
-					var waitFor = new WaitFor(() => CanEnterCell(cellInfo.Cell));
-					var move = new Move(self, cellInfo.Cell);
-					self.QueueActivity(ActivityUtils.SequenceActivities(notifyBlocking, waitFor, move));
+					self.QueueActivity(new CallFunc(() => self.NotifyBlocker(cellInfo.Cell)));
+					self.QueueActivity(new WaitFor(() => CanEnterCell(cellInfo.Cell)));
+					self.QueueActivity(new Move(self, cellInfo.Cell));
 
 					Log.Write("debug", "OnNudge (notify next blocking actor, wait and move) #{0} from {1} to {2}",
 						self.ActorID, self.Location, cellInfo.Cell);
@@ -691,7 +690,10 @@ namespace OpenRA.Mods.Common.Traits
 
 			var delta = toPos - fromPos;
 			var facing = delta.HorizontalLengthSquared != 0 ? delta.Yaw.Facing : Facing;
-			return ActivityUtils.SequenceActivities(new Turn(self, facing), new Drag(self, fromPos, toPos, length));
+
+			var activities = new Turn(self, facing);
+			activities.Queue(new Drag(self, fromPos, toPos, length));
+			return activities;
 		}
 
 		CPos? ClosestGroundCell()