diff --git a/.editorconfig b/.editorconfig
index f7308edf37..c52f82d2c4 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -959,6 +959,9 @@ dotnet_diagnostic.RCS1034.severity = warning
 # Remove argument list from attribute.
 dotnet_diagnostic.RCS1039.severity = warning
 
+# Remove empty initializer.
+dotnet_diagnostic.RCS1041.severity = warning
+
 # Remove enum default underlying type.
 dotnet_diagnostic.RCS1042.severity = warning
 
diff --git a/OpenRA.Game/Primitives/BitSet.cs b/OpenRA.Game/Primitives/BitSet.cs
index bd7d2ff77e..a12611aa6b 100644
--- a/OpenRA.Game/Primitives/BitSet.cs
+++ b/OpenRA.Game/Primitives/BitSet.cs
@@ -86,7 +86,7 @@ namespace OpenRA.Primitives
 
 		public static BitSet<T> FromStringsNoAlloc(string[] values)
 		{
-			return new BitSet<T>(BitSetAllocator<T>.GetBitsNoAlloc(values)) { };
+			return new BitSet<T>(BitSetAllocator<T>.GetBitsNoAlloc(values));
 		}
 
 		public override string ToString()
diff --git a/OpenRA.Game/Primitives/LongBitSet.cs b/OpenRA.Game/Primitives/LongBitSet.cs
index 8395c1bb40..2566b577a6 100644
--- a/OpenRA.Game/Primitives/LongBitSet.cs
+++ b/OpenRA.Game/Primitives/LongBitSet.cs
@@ -99,7 +99,7 @@ namespace OpenRA.Primitives
 
 		public static LongBitSet<T> FromStringsNoAlloc(string[] values)
 		{
-			return new LongBitSet<T>(LongBitSetAllocator<T>.GetBitsNoAlloc(values)) { };
+			return new LongBitSet<T>(LongBitSetAllocator<T>.GetBitsNoAlloc(values));
 		}
 
 		public static void Reset()
diff --git a/OpenRA.Mods.Cnc/SpriteLoaders/ShpTDLoader.cs b/OpenRA.Mods.Cnc/SpriteLoaders/ShpTDLoader.cs
index 1bb58c7899..a989e718d9 100644
--- a/OpenRA.Mods.Cnc/SpriteLoaders/ShpTDLoader.cs
+++ b/OpenRA.Mods.Cnc/SpriteLoaders/ShpTDLoader.cs
@@ -232,7 +232,7 @@ namespace OpenRA.Mods.Cnc.SpriteLoaders
 				var eof = new ImageHeader { FileOffset = (uint)dataOffset };
 				eof.WriteTo(bw);
 
-				var allZeroes = new ImageHeader { };
+				var allZeroes = new ImageHeader();
 				allZeroes.WriteTo(bw);
 
 				foreach (var f in compressedFrames)
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs b/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs
index 162c347e5a..3b3e7ed294 100644
--- a/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs
+++ b/OpenRA.Mods.Cnc/Traits/World/TSEditorResourceLayer.cs
@@ -23,7 +23,7 @@ namespace OpenRA.Mods.Cnc.Traits
 
 		[ActorReference]
 		[Desc("Actor types that should be treated as veins for adjacency.")]
-		public readonly HashSet<string> VeinholeActors = new() { };
+		public readonly HashSet<string> VeinholeActors = new();
 
 		public override object Create(ActorInitializer init) { return new TSEditorResourceLayer(init.Self, this); }
 	}
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs b/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs
index 0e3177c1b9..c99e332304 100644
--- a/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs
+++ b/OpenRA.Mods.Cnc/Traits/World/TSResourceLayer.cs
@@ -25,7 +25,7 @@ namespace OpenRA.Mods.Cnc.Traits
 
 		[ActorReference]
 		[Desc("Actor types that should be treated as veins for adjacency.")]
-		public readonly HashSet<string> VeinholeActors = new() { };
+		public readonly HashSet<string> VeinholeActors = new();
 
 		public override object Create(ActorInitializer init) { return new TSResourceLayer(init.Self, this); }
 	}
diff --git a/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs b/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs
index 8230e89fb7..776fdfb49c 100644
--- a/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs
+++ b/OpenRA.Mods.Cnc/Traits/World/TSVeinsRenderer.cs
@@ -44,7 +44,7 @@ namespace OpenRA.Mods.Cnc.Traits
 
 		[ActorReference]
 		[Desc("Actor types that should be treated as veins for adjacency.")]
-		public readonly HashSet<string> VeinholeActors = new() { };
+		public readonly HashSet<string> VeinholeActors = new();
 
 		void IMapPreviewSignatureInfo.PopulateMapPreviewSignatureCells(Map map, ActorInfo ai, ActorReference s, List<(MPos Uv, Color Color)> destinationBuffer)
 		{
diff --git a/OpenRA.Mods.Common/Effects/RallyPointIndicator.cs b/OpenRA.Mods.Common/Effects/RallyPointIndicator.cs
index 102d0f62b3..8ce304d8b8 100644
--- a/OpenRA.Mods.Common/Effects/RallyPointIndicator.cs
+++ b/OpenRA.Mods.Common/Effects/RallyPointIndicator.cs
@@ -24,7 +24,7 @@ namespace OpenRA.Mods.Common.Effects
 		readonly Animation flag;
 		readonly Animation circles;
 
-		readonly List<WPos> targetLineNodes = new() { };
+		readonly List<WPos> targetLineNodes = new();
 		List<CPos> cachedLocations;
 
 		public RallyPointIndicator(Actor building, RallyPoint rp)
diff --git a/OpenRA.Mods.Common/Traits/ActorSpawner.cs b/OpenRA.Mods.Common/Traits/ActorSpawner.cs
index 33eaea3ca3..e71f4e11de 100644
--- a/OpenRA.Mods.Common/Traits/ActorSpawner.cs
+++ b/OpenRA.Mods.Common/Traits/ActorSpawner.cs
@@ -17,7 +17,7 @@ namespace OpenRA.Mods.Common.Traits
 	public class ActorSpawnerInfo : ConditionalTraitInfo
 	{
 		[Desc("Type of ActorSpawner with which it connects.")]
-		public readonly HashSet<string> Types = new() { };
+		public readonly HashSet<string> Types = new();
 
 		public override object Create(ActorInitializer init) { return new ActorSpawner(this); }
 	}
diff --git a/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoAircraft.cs b/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoAircraft.cs
index 031e37808d..7d4333c418 100644
--- a/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoAircraft.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoAircraft.cs
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		[ActorReference]
 		[FieldLoader.Require]
-		public readonly HashSet<string> DockActors = new() { };
+		public readonly HashSet<string> DockActors = new();
 
 		[VoiceReference]
 		public readonly string Voice = "Action";
diff --git a/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoRepairable.cs b/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoRepairable.cs
index 1435cd0554..e569dce002 100644
--- a/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoRepairable.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/TransformsIntoRepairable.cs
@@ -23,7 +23,7 @@ namespace OpenRA.Mods.Common.Traits
 	{
 		[ActorReference]
 		[FieldLoader.Require]
-		public readonly HashSet<string> RepairActors = new() { };
+		public readonly HashSet<string> RepairActors = new();
 
 		[VoiceReference]
 		public readonly string Voice = "Action";
diff --git a/OpenRA.Mods.Common/Traits/Rearmable.cs b/OpenRA.Mods.Common/Traits/Rearmable.cs
index c3031564a5..f6b9ed9f66 100644
--- a/OpenRA.Mods.Common/Traits/Rearmable.cs
+++ b/OpenRA.Mods.Common/Traits/Rearmable.cs
@@ -20,7 +20,7 @@ namespace OpenRA.Mods.Common.Traits
 		[ActorReference]
 		[FieldLoader.Require]
 		[Desc("Actors that this actor can dock to and get rearmed by.")]
-		public readonly HashSet<string> RearmActors = new() { };
+		public readonly HashSet<string> RearmActors = new();
 
 		[Desc("Name(s) of AmmoPool(s) that use this trait to rearm.")]
 		public readonly HashSet<string> AmmoPools = new() { "primary" };
diff --git a/OpenRA.Mods.Common/Traits/Repairable.cs b/OpenRA.Mods.Common/Traits/Repairable.cs
index 7fe00bc9ea..ca00f98720 100644
--- a/OpenRA.Mods.Common/Traits/Repairable.cs
+++ b/OpenRA.Mods.Common/Traits/Repairable.cs
@@ -23,7 +23,7 @@ namespace OpenRA.Mods.Common.Traits
 	{
 		[ActorReference]
 		[FieldLoader.Require]
-		public readonly HashSet<string> RepairActors = new() { };
+		public readonly HashSet<string> RepairActors = new();
 
 		[VoiceReference]
 		public readonly string Voice = "Action";
diff --git a/OpenRA.Mods.Common/Traits/RepairableNear.cs b/OpenRA.Mods.Common/Traits/RepairableNear.cs
index 86726f580b..616b67739f 100644
--- a/OpenRA.Mods.Common/Traits/RepairableNear.cs
+++ b/OpenRA.Mods.Common/Traits/RepairableNear.cs
@@ -22,7 +22,7 @@ namespace OpenRA.Mods.Common.Traits
 	{
 		[ActorReference]
 		[FieldLoader.Require]
-		public readonly HashSet<string> RepairActors = new() { };
+		public readonly HashSet<string> RepairActors = new();
 
 		public readonly WDist CloseEnough = WDist.FromCells(4);
 
diff --git a/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs b/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
index 35d00497dd..37ce2f94d4 100644
--- a/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
+++ b/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
@@ -39,7 +39,7 @@ namespace OpenRA.Mods.Common.Traits
 		public readonly string Owner = "Creeps";
 
 		[Desc("Type of ActorSpawner with which it connects.")]
-		public readonly HashSet<string> Types = new() { };
+		public readonly HashSet<string> Types = new();
 
 		public override void RulesetLoaded(Ruleset rules, ActorInfo ai)
 		{