diff --git a/OpenRA.Game/Traits/TraitsInterfaces.cs b/OpenRA.Game/Traits/TraitsInterfaces.cs
index ec83ce99b6..b0741a0203 100644
--- a/OpenRA.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRA.Game/Traits/TraitsInterfaces.cs
@@ -130,7 +130,6 @@ namespace OpenRA.Traits
 	public interface INotifyAddedToWorld { void AddedToWorld(Actor self); }
 	public interface INotifyRemovedFromWorld { void RemovedFromWorld(Actor self); }
 	public interface INotifyDamage { void Damaged(Actor self, AttackInfo e); }
-	public interface INotifyDamageStateChanged { void DamageStateChanged(Actor self, AttackInfo e); }
 	public interface INotifyKilled { void Killed(Actor self, AttackInfo e); }
 	public interface INotifyActorDisposing { void Disposing(Actor self); }
 	public interface INotifyAppliedDamage { void AppliedDamage(Actor self, Actor damaged, AttackInfo e); }
diff --git a/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs b/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
index 241e7656b9..979ecdf9c1 100644
--- a/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
@@ -308,7 +308,7 @@ namespace OpenRA.Mods.Common.Traits
 			}
 		}
 
-		public void DamageStateChanged(Actor self, AttackInfo e)
+		void INotifyDamageStateChanged.DamageStateChanged(Actor self, AttackInfo e)
 		{
 			Do((b, d) => b.UpdateState());
 
diff --git a/OpenRA.Mods.Common/Traits/ExplosionOnDamageTransition.cs b/OpenRA.Mods.Common/Traits/ExplosionOnDamageTransition.cs
index 3e4c2fe113..cdb3f7ec3a 100644
--- a/OpenRA.Mods.Common/Traits/ExplosionOnDamageTransition.cs
+++ b/OpenRA.Mods.Common/Traits/ExplosionOnDamageTransition.cs
@@ -49,7 +49,7 @@ namespace OpenRA.Mods.Common.Traits
 			this.info = info;
 		}
 
-		public void DamageStateChanged(Actor self, AttackInfo e)
+		void INotifyDamageStateChanged.DamageStateChanged(Actor self, AttackInfo e)
 		{
 			if (!self.IsInWorld)
 				return;
diff --git a/OpenRA.Mods.Common/Traits/Render/WithSpriteTurret.cs b/OpenRA.Mods.Common/Traits/Render/WithSpriteTurret.cs
index abfcaa4be1..d69dea2b9e 100644
--- a/OpenRA.Mods.Common/Traits/Render/WithSpriteTurret.cs
+++ b/OpenRA.Mods.Common/Traits/Render/WithSpriteTurret.cs
@@ -113,7 +113,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 			return RenderSprites.NormalizeSequence(DefaultAnimation, self.GetDamageState(), sequence);
 		}
 
-		public virtual void DamageStateChanged(Actor self, AttackInfo e)
+		protected virtual void DamageStateChanged(Actor self)
 		{
 			if (DefaultAnimation.CurrentSequence != null)
 				DefaultAnimation.ReplaceAnim(NormalizeSequence(self, DefaultAnimation.CurrentSequence.Name));
@@ -128,6 +128,11 @@ namespace OpenRA.Mods.Common.Traits.Render
 			DefaultAnimation.ReplaceAnim(sequence);
 		}
 
+		void INotifyDamageStateChanged.DamageStateChanged(Actor self, AttackInfo e)
+		{
+			DamageStateChanged(self);
+		}
+
 		void INotifyBuildComplete.BuildingComplete(Actor self) { buildComplete = true; }
 		void INotifySold.Selling(Actor self) { buildComplete = false; }
 		void INotifySold.Sold(Actor self) { }
diff --git a/OpenRA.Mods.Common/Traits/Sound/SoundOnDamageTransition.cs b/OpenRA.Mods.Common/Traits/Sound/SoundOnDamageTransition.cs
index 27f9a37b59..6c2e1050a2 100644
--- a/OpenRA.Mods.Common/Traits/Sound/SoundOnDamageTransition.cs
+++ b/OpenRA.Mods.Common/Traits/Sound/SoundOnDamageTransition.cs
@@ -33,7 +33,7 @@ namespace OpenRA.Mods.Common.Traits.Sound
 			this.info = info;
 		}
 
-		public void DamageStateChanged(Actor self, AttackInfo e)
+		void INotifyDamageStateChanged.DamageStateChanged(Actor self, AttackInfo e)
 		{
 			var rand = Game.CosmeticRandom;
 
diff --git a/OpenRA.Mods.Common/TraitsInterfaces.cs b/OpenRA.Mods.Common/TraitsInterfaces.cs
index 4b8f15b3ae..2cc0a67c33 100644
--- a/OpenRA.Mods.Common/TraitsInterfaces.cs
+++ b/OpenRA.Mods.Common/TraitsInterfaces.cs
@@ -72,6 +72,10 @@ namespace OpenRA.Mods.Common.Traits
 
 	[RequireExplicitImplementation]
 	public interface INotifyBuildComplete { void BuildingComplete(Actor self); }
+
+	[RequireExplicitImplementation]
+	public interface INotifyDamageStateChanged { void DamageStateChanged(Actor self, AttackInfo e); }
+
 	public interface INotifyBuildingPlaced { void BuildingPlaced(Actor self); }
 	public interface INotifyRepair { void Repairing(Actor self, Actor target); }
 	public interface INotifyBurstComplete { void FiredBurst(Actor self, Target target, Armament a); }