diff --git a/OpenRA.Mods.Common/Traits/Attack/AttackBase.cs b/OpenRA.Mods.Common/Traits/Attack/AttackBase.cs
index 3aae012c30..cfbc9e3585 100644
--- a/OpenRA.Mods.Common/Traits/Attack/AttackBase.cs
+++ b/OpenRA.Mods.Common/Traits/Attack/AttackBase.cs
@@ -64,7 +64,7 @@ namespace OpenRA.Mods.Common.Traits
 				throw new YamlException("Facing tolerance must be in range of [0, 512], 512 covers 360 degrees.");
 		}
 
-		public override abstract object Create(ActorInitializer init);
+		public abstract override object Create(ActorInitializer init);
 	}
 
 	public abstract class AttackBase : PausableConditionalTrait<AttackBaseInfo>, ITick, IIssueOrder, IResolveOrder, IOrderVoice, ISync
diff --git a/OpenRA.Mods.Common/Traits/Attack/AttackFrontal.cs b/OpenRA.Mods.Common/Traits/Attack/AttackFrontal.cs
index 9041239a95..95569250c4 100644
--- a/OpenRA.Mods.Common/Traits/Attack/AttackFrontal.cs
+++ b/OpenRA.Mods.Common/Traits/Attack/AttackFrontal.cs
@@ -19,7 +19,7 @@ namespace OpenRA.Mods.Common.Traits
 	public class AttackFrontalInfo : AttackBaseInfo, Requires<IFacingInfo>
 	{
 		[Desc("Tolerance for attack angle. Range [0, 512], 512 covers 360 degrees.")]
-		public readonly new WAngle FacingTolerance = WAngle.Zero;
+		public new readonly WAngle FacingTolerance = WAngle.Zero;
 
 		public override object Create(ActorInitializer init) { return new AttackFrontal(init.Self, this); }
 	}
diff --git a/OpenRA.Mods.Common/Traits/Attack/AttackGarrisoned.cs b/OpenRA.Mods.Common/Traits/Attack/AttackGarrisoned.cs
index 995115d648..03a6c4f379 100644
--- a/OpenRA.Mods.Common/Traits/Attack/AttackGarrisoned.cs
+++ b/OpenRA.Mods.Common/Traits/Attack/AttackGarrisoned.cs
@@ -77,7 +77,7 @@ namespace OpenRA.Mods.Common.Traits
 
 	public class AttackGarrisoned : AttackFollow, INotifyPassengerEntered, INotifyPassengerExited, IRender
 	{
-		public readonly new AttackGarrisonedInfo Info;
+		public new readonly AttackGarrisonedInfo Info;
 		Lazy<BodyOrientation> coords;
 		List<Armament> armaments;
 		List<AnimationWithOffset> muzzles;
diff --git a/OpenRA.Mods.D2k/Traits/AttackSwallow.cs b/OpenRA.Mods.D2k/Traits/AttackSwallow.cs
index 3075fea006..7c343cd5fa 100644
--- a/OpenRA.Mods.D2k/Traits/AttackSwallow.cs
+++ b/OpenRA.Mods.D2k/Traits/AttackSwallow.cs
@@ -43,7 +43,7 @@ namespace OpenRA.Mods.D2k.Traits
 
 	class AttackSwallow : AttackFrontal
 	{
-		public readonly new AttackSwallowInfo Info;
+		public new readonly AttackSwallowInfo Info;
 
 		public AttackSwallow(Actor self, AttackSwallowInfo info)
 			: base(self, info)