diff --git a/OpenRA.Mods.Common/Scripting/ScriptTriggers.cs b/OpenRA.Mods.Common/Scripting/ScriptTriggers.cs
index e9ed7be5f4..d370c8f3f2 100644
--- a/OpenRA.Mods.Common/Scripting/ScriptTriggers.cs
+++ b/OpenRA.Mods.Common/Scripting/ScriptTriggers.cs
@@ -302,7 +302,7 @@ namespace OpenRA.Mods.Common.Scripting
 			OnCapturedInternal(self);
 		}
 
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			if (world.Disposing)
 				return;
diff --git a/OpenRA.Mods.Common/TraitsInterfaces.cs b/OpenRA.Mods.Common/TraitsInterfaces.cs
index 906830150c..ffc321215f 100644
--- a/OpenRA.Mods.Common/TraitsInterfaces.cs
+++ b/OpenRA.Mods.Common/TraitsInterfaces.cs
@@ -82,11 +82,13 @@ namespace OpenRA.Mods.Common.Traits
 	public interface INotifyDocking { void Docked(Actor self, Actor harvester); void Undocked(Actor self, Actor harvester); }
 	public interface INotifyParachuteLanded { void OnLanded(Actor ignore); }
 	public interface INotifyCapture { void OnCapture(Actor self, Actor captor, Player oldOwner, Player newOwner); }
-	public interface INotifyInfiltrated { void Infiltrated(Actor self, Actor infiltrator); }
 	public interface INotifyDiscovered { void OnDiscovered(Actor self, Player discoverer, bool playNotification); }
 	public interface IRenderActorPreviewInfo : ITraitInfo { IEnumerable<IActorPreview> RenderPreview(ActorPreviewInitializer init); }
 	public interface ICruiseAltitudeInfo : ITraitInfo { WDist GetCruiseAltitude(); }
 
+	[RequireExplicitImplementation]
+	public interface INotifyInfiltrated { void Infiltrated(Actor self, Actor infiltrator); }
+
 	[RequireExplicitImplementation]
 	public interface INotifyBlockingMove { void OnNotifyBlockingMove(Actor self, Actor blocking); }
 
diff --git a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForCash.cs b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForCash.cs
index d2f9e6f36b..0f88a42abb 100644
--- a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForCash.cs
+++ b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForCash.cs
@@ -41,7 +41,7 @@ namespace OpenRA.Mods.RA.Traits
 
 		public InfiltrateForCash(InfiltrateForCashInfo info) { this.info = info; }
 
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			var targetResources = self.Owner.PlayerActor.Trait<PlayerResources>();
 			var spyResources = infiltrator.Owner.PlayerActor.Trait<PlayerResources>();
diff --git a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForDecoration.cs b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForDecoration.cs
index 4a3bab997e..704bea6604 100644
--- a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForDecoration.cs
+++ b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForDecoration.cs
@@ -30,7 +30,7 @@ namespace OpenRA.Mods.RA.Traits
 		public InfiltrateForDecoration(Actor self, InfiltrateForDecorationInfo info)
 			: base(self, info) { }
 
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			infiltrators.Add(infiltrator.Owner);
 		}
diff --git a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForExploration.cs b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForExploration.cs
index 85dfd86ef3..f8e58d8d48 100644
--- a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForExploration.cs
+++ b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForExploration.cs
@@ -19,7 +19,7 @@ namespace OpenRA.Mods.RA.Traits
 
 	class InfiltrateForExploration : INotifyInfiltrated
 	{
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			infiltrator.Owner.Shroud.Explore(self.Owner.Shroud);
 			if (!self.Owner.HasFogVisibility)
diff --git a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForPowerOutage.cs b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForPowerOutage.cs
index b8f064136e..78f93f0105 100644
--- a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForPowerOutage.cs
+++ b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForPowerOutage.cs
@@ -32,12 +32,12 @@ namespace OpenRA.Mods.RA.Traits
 			playerPower = self.Owner.PlayerActor.Trait<PowerManager>();
 		}
 
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			playerPower.TriggerPowerOutage(info.Duration);
 		}
 
-		public void OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
+		void INotifyOwnerChanged.OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
 		{
 			playerPower = self.Owner.PlayerActor.Trait<PowerManager>();
 		}
diff --git a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForSupportPower.cs b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForSupportPower.cs
index 2513a86d16..d6cb524522 100644
--- a/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForSupportPower.cs
+++ b/OpenRA.Mods.RA/Traits/Infiltration/InfiltrateForSupportPower.cs
@@ -31,7 +31,7 @@ namespace OpenRA.Mods.RA.Traits
 			this.info = info;
 		}
 
-		public void Infiltrated(Actor self, Actor infiltrator)
+		void INotifyInfiltrated.Infiltrated(Actor self, Actor infiltrator)
 		{
 			infiltrator.World.AddFrameEndTask(w => w.CreateActor(info.Proxy, new TypeDictionary
 			{