diff --git a/OpenRA.Game/Traits/TraitsInterfaces.cs b/OpenRA.Game/Traits/TraitsInterfaces.cs
index 2479ba4e5f..4d07e2d1e9 100644
--- a/OpenRA.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRA.Game/Traits/TraitsInterfaces.cs
@@ -94,6 +94,7 @@ namespace OpenRA.Traits
 
 	[RequireExplicitImplementation]
 	public interface ITick { void Tick(Actor self); }
+	[RequireExplicitImplementation]
 	public interface ITickRender { void TickRender(WorldRenderer wr, Actor self); }
 	public interface IRender { IEnumerable<IRenderable> Render(Actor self, WorldRenderer wr); }
 
diff --git a/OpenRA.Mods.Common/Traits/Modifiers/FrozenUnderFog.cs b/OpenRA.Mods.Common/Traits/Modifiers/FrozenUnderFog.cs
index 5151186294..d61354607d 100644
--- a/OpenRA.Mods.Common/Traits/Modifiers/FrozenUnderFog.cs
+++ b/OpenRA.Mods.Common/Traits/Modifiers/FrozenUnderFog.cs
@@ -123,7 +123,7 @@ namespace OpenRA.Mods.Common.Traits
 			}
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			IRenderable[] renderables = null;
 			for (var playerIndex = 0; playerIndex < frozenStates.Count; playerIndex++)
diff --git a/OpenRA.Mods.Common/Traits/PaletteEffects/MenuPaletteEffect.cs b/OpenRA.Mods.Common/Traits/PaletteEffects/MenuPaletteEffect.cs
index bceb7b7878..7fadbde6b7 100644
--- a/OpenRA.Mods.Common/Traits/PaletteEffects/MenuPaletteEffect.cs
+++ b/OpenRA.Mods.Common/Traits/PaletteEffects/MenuPaletteEffect.cs
@@ -48,7 +48,7 @@ namespace OpenRA.Mods.Common.Traits
 			to = type;
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			if (remainingFrames > 0)
 				remainingFrames--;
diff --git a/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs b/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
index 8dd13a942f..3ad5582b70 100644
--- a/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
+++ b/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
@@ -79,7 +79,7 @@ namespace OpenRA.Mods.Common.Traits
 				UpdateNeighbours(p.Footprint);
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			if (wr.World.Type != WorldType.Editor)
 				return;
diff --git a/OpenRA.Mods.Common/Traits/World/ResourceLayer.cs b/OpenRA.Mods.Common/Traits/World/ResourceLayer.cs
index d00655ef42..4d1c84ce07 100644
--- a/OpenRA.Mods.Common/Traits/World/ResourceLayer.cs
+++ b/OpenRA.Mods.Common/Traits/World/ResourceLayer.cs
@@ -162,7 +162,7 @@ namespace OpenRA.Mods.Common.Traits
 			return t.Variants.Keys.Random(Game.CosmeticRandom);
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			var remove = new List<CPos>();
 			foreach (var c in dirty)
diff --git a/OpenRA.Mods.Common/Traits/World/SmudgeLayer.cs b/OpenRA.Mods.Common/Traits/World/SmudgeLayer.cs
index c458f5eb5f..0ddcc79053 100644
--- a/OpenRA.Mods.Common/Traits/World/SmudgeLayer.cs
+++ b/OpenRA.Mods.Common/Traits/World/SmudgeLayer.cs
@@ -181,7 +181,7 @@ namespace OpenRA.Mods.Common.Traits
 			dirty[loc] = tile;
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			var remove = new List<CPos>();
 			foreach (var kv in dirty)
diff --git a/OpenRA.Mods.D2k/Traits/World/BuildableTerrainLayer.cs b/OpenRA.Mods.D2k/Traits/World/BuildableTerrainLayer.cs
index 751987c6f2..6f5a5ec913 100644
--- a/OpenRA.Mods.D2k/Traits/World/BuildableTerrainLayer.cs
+++ b/OpenRA.Mods.D2k/Traits/World/BuildableTerrainLayer.cs
@@ -55,7 +55,7 @@ namespace OpenRA.Mods.D2k.Traits
 			dirty[cell] = new Sprite(s.Sheet, s.Bounds, s.ZRamp, float2.Zero, s.Channel, s.BlendMode);
 		}
 
-		public void TickRender(WorldRenderer wr, Actor self)
+		void ITickRender.TickRender(WorldRenderer wr, Actor self)
 		{
 			var remove = new List<CPos>();
 			foreach (var kv in dirty)