diff --git a/OpenRA.Mods.Cnc/Traits/Attack/AttackTesla.cs b/OpenRA.Mods.Cnc/Traits/Attack/AttackTesla.cs
index b299acd215..6fa14e5fba 100644
--- a/OpenRA.Mods.Cnc/Traits/Attack/AttackTesla.cs
+++ b/OpenRA.Mods.Cnc/Traits/Attack/AttackTesla.cs
@@ -51,7 +51,7 @@ namespace OpenRA.Mods.Cnc.Traits
 			charges = info.MaxCharges;
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (--timeToRecharge <= 0)
 				charges = info.MaxCharges;
diff --git a/OpenRA.Mods.Cnc/Traits/Chronoshiftable.cs b/OpenRA.Mods.Cnc/Traits/Chronoshiftable.cs
index 845a634018..30a03f0eaa 100644
--- a/OpenRA.Mods.Cnc/Traits/Chronoshiftable.cs
+++ b/OpenRA.Mods.Cnc/Traits/Chronoshiftable.cs
@@ -61,7 +61,7 @@ namespace OpenRA.Mods.Cnc.Traits
 				chronosphere = init.Get<ChronoshiftChronosphereInit, Actor>();
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (!info.ReturnToOrigin || ReturnTicks <= 0)
 				return;
diff --git a/OpenRA.Mods.Cnc/Traits/MadTank.cs b/OpenRA.Mods.Cnc/Traits/MadTank.cs
index 88c50956f5..315c106e06 100644
--- a/OpenRA.Mods.Cnc/Traits/MadTank.cs
+++ b/OpenRA.Mods.Cnc/Traits/MadTank.cs
@@ -78,7 +78,7 @@ namespace OpenRA.Mods.Cnc.Traits
 			screenShaker = self.World.WorldActor.Trait<ScreenShaker>();
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (!deployed)
 				return;
diff --git a/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPaletteEffect.cs b/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPaletteEffect.cs
index d54d4df3d8..0f00928837 100644
--- a/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPaletteEffect.cs
+++ b/OpenRA.Mods.Cnc/Traits/PaletteEffects/ChronoshiftPaletteEffect.cs
@@ -39,7 +39,7 @@ namespace OpenRA.Mods.Cnc.Traits
 			remainingFrames = info.ChronoEffectLength;
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (remainingFrames > 0)
 				remainingFrames--;
diff --git a/OpenRA.Mods.Cnc/Traits/PortableChrono.cs b/OpenRA.Mods.Cnc/Traits/PortableChrono.cs
index 21474d0f7b..733efbb170 100644
--- a/OpenRA.Mods.Cnc/Traits/PortableChrono.cs
+++ b/OpenRA.Mods.Cnc/Traits/PortableChrono.cs
@@ -66,7 +66,7 @@ namespace OpenRA.Mods.Cnc.Traits
 			Info = info;
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (chargeTick > 0)
 				chargeTick--;
diff --git a/OpenRA.Mods.Cnc/Traits/Render/WithGunboatBody.cs b/OpenRA.Mods.Cnc/Traits/Render/WithGunboatBody.cs
index 9f5ec77b90..b9734b839d 100644
--- a/OpenRA.Mods.Cnc/Traits/Render/WithGunboatBody.cs
+++ b/OpenRA.Mods.Cnc/Traits/Render/WithGunboatBody.cs
@@ -62,7 +62,7 @@ namespace OpenRA.Mods.Cnc.Traits.Render
 			rs.Add(new AnimationWithOffset(wake, null, null, -87));
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (facing.Facing <= 128)
 			{
diff --git a/OpenRA.Mods.Cnc/Traits/Render/WithLandingCraftAnimation.cs b/OpenRA.Mods.Cnc/Traits/Render/WithLandingCraftAnimation.cs
index 5bcd8249a1..9ccaa0a7e8 100644
--- a/OpenRA.Mods.Cnc/Traits/Render/WithLandingCraftAnimation.cs
+++ b/OpenRA.Mods.Cnc/Traits/Render/WithLandingCraftAnimation.cs
@@ -76,7 +76,7 @@ namespace OpenRA.Mods.Cnc.Traits.Render
 			wsb.PlayCustomAnimation(self, info.CloseSequence);
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (ShouldBeOpen())
 				Open();
diff --git a/OpenRA.Mods.Cnc/Traits/Render/WithVoxelWalkerBody.cs b/OpenRA.Mods.Cnc/Traits/Render/WithVoxelWalkerBody.cs
index 1e1bd5e986..4c22652f2f 100644
--- a/OpenRA.Mods.Cnc/Traits/Render/WithVoxelWalkerBody.cs
+++ b/OpenRA.Mods.Cnc/Traits/Render/WithVoxelWalkerBody.cs
@@ -79,7 +79,7 @@ namespace OpenRA.Mods.Cnc.Traits.Render
 
 		public int2 SelectionSize(Actor self) { return size; }
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (movement.IsMoving || facing.Facing != oldFacing)
 				tick++;
diff --git a/OpenRA.Mods.D2k/Traits/Sandworm.cs b/OpenRA.Mods.D2k/Traits/Sandworm.cs
index fbf6ea3ed4..e4452404ef 100644
--- a/OpenRA.Mods.D2k/Traits/Sandworm.cs
+++ b/OpenRA.Mods.D2k/Traits/Sandworm.cs
@@ -68,7 +68,7 @@ namespace OpenRA.Mods.D2k.Traits
 			self.QueueActivity(mobile.MoveWithinRange(Target.FromCell(self.World, targetCell, SubCell.Any), WDist.FromCells(1)));
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (--targetCountdown > 0 || IsAttacking || !self.IsInWorld)
 				return;
diff --git a/OpenRA.Mods.D2k/Traits/TemporaryOwnerManager.cs b/OpenRA.Mods.D2k/Traits/TemporaryOwnerManager.cs
index 1fddf4fb64..a7e1c842e1 100644
--- a/OpenRA.Mods.D2k/Traits/TemporaryOwnerManager.cs
+++ b/OpenRA.Mods.D2k/Traits/TemporaryOwnerManager.cs
@@ -46,7 +46,7 @@ namespace OpenRA.Mods.D2k.Traits
 			self.ChangeOwner(newOwner);
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (!self.IsInWorld)
 				return;
diff --git a/OpenRA.Mods.D2k/Traits/World/WormManager.cs b/OpenRA.Mods.D2k/Traits/World/WormManager.cs
index 807ebf3b25..7ee9d39fdf 100644
--- a/OpenRA.Mods.D2k/Traits/World/WormManager.cs
+++ b/OpenRA.Mods.D2k/Traits/World/WormManager.cs
@@ -59,7 +59,7 @@ namespace OpenRA.Mods.D2k.Traits
 			enabled = self.Trait<MapCreeps>().Enabled;
 		}
 
-		public void Tick(Actor self)
+		void ITick.Tick(Actor self)
 		{
 			if (!enabled)
 				return;