diff --git a/OpenRA.Game/Scripting/ScriptMemberWrapper.cs b/OpenRA.Game/Scripting/ScriptMemberWrapper.cs
index bd8e1e32f8d4..1c4a86ef5dd1 100644
--- a/OpenRA.Game/Scripting/ScriptMemberWrapper.cs
+++ b/OpenRA.Game/Scripting/ScriptMemberWrapper.cs
@@ -149,7 +149,7 @@ public static string[] RequiredTraitNames(Type t)
 
 			// Remove the namespace and the trailing "Info"
 			return types.SelectMany(i => i.GetGenericArguments())
-				.Select(g => g.Name.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault())
+				.Select(g => g.Name.Split('.', StringSplitOptions.RemoveEmptyEntries).LastOrDefault())
 				.Select(s => s.EndsWith("Info", StringComparison.Ordinal) ? s.Remove(s.Length - 4, 4) : s)
 				.ToArray();
 		}
diff --git a/OpenRA.Mods.Cnc/Traits/World/VoxelCache.cs b/OpenRA.Mods.Cnc/Traits/World/VoxelCache.cs
index b1326788928a..2e07e7e26e42 100644
--- a/OpenRA.Mods.Cnc/Traits/World/VoxelCache.cs
+++ b/OpenRA.Mods.Cnc/Traits/World/VoxelCache.cs
@@ -64,7 +64,7 @@ IModel LoadVoxel(string unit, MiniYaml info)
 			var hva = unit;
 			if (info.Value != null)
 			{
-				var fields = info.Value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				var fields = info.Value.Split(',', StringSplitOptions.RemoveEmptyEntries);
 				if (fields.Length >= 1)
 					vxl = hva = fields[0].Trim();
 
diff --git a/OpenRA.Mods.Common/UtilityCommands/Rgba2Hex.cs b/OpenRA.Mods.Common/UtilityCommands/Rgba2Hex.cs
index c9c21079d450..30263b408f98 100644
--- a/OpenRA.Mods.Common/UtilityCommands/Rgba2Hex.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/Rgba2Hex.cs
@@ -17,7 +17,7 @@ sealed class Rgba2Hex : IUtilityCommand
 	{
 		string IUtilityCommand.Name => "--rgba2hex";
 
-		static readonly char[] Comma = new char[] { ',' };
+		const char Comma = ',';
 
 		bool IUtilityCommand.ValidateArguments(string[] args)
 		{
@@ -105,7 +105,7 @@ sealed class Argb2Hex : IUtilityCommand
 	{
 		string IUtilityCommand.Name => "--argb2hex";
 
-		static readonly char[] Comma = new char[] { ',' };
+		const char Comma = ',';
 
 		bool IUtilityCommand.ValidateArguments(string[] args)
 		{
diff --git a/OpenRA.Mods.Common/Widgets/LabelWithHighlightWidget.cs b/OpenRA.Mods.Common/Widgets/LabelWithHighlightWidget.cs
index 9914c851858c..8c07afb34bb0 100644
--- a/OpenRA.Mods.Common/Widgets/LabelWithHighlightWidget.cs
+++ b/OpenRA.Mods.Common/Widgets/LabelWithHighlightWidget.cs
@@ -39,7 +39,7 @@ protected LabelWithHighlightWidget(LabelWithHighlightWidget other)
 		(string, bool)[] MakeComponents(string text)
 		{
 			var components = new List<(string, bool)>();
-			foreach (var l in text.Split(new[] { "\\n" }, StringSplitOptions.None))
+			foreach (var l in text.Split("\\n", StringSplitOptions.None))
 			{
 				var line = l;
 
diff --git a/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipLogic.cs
index 65933d696cb3..d554f605ad94 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/ButtonTooltipLogic.cs
@@ -50,7 +50,7 @@ public ButtonTooltipLogic(Widget widget, ButtonWidget button)
 				var descFont = Game.Renderer.Fonts[descTemplate.Font];
 				var descWidth = 0;
 				var descOffset = descTemplate.Bounds.Y;
-				foreach (var line in desc.Split(new[] { "\n" }, StringSplitOptions.None))
+				foreach (var line in desc.Split('\n', StringSplitOptions.None))
 				{
 					descWidth = Math.Max(descWidth, descFont.Measure(line).X);
 					var lineLabel = (LabelWidget)descTemplate.Clone();
diff --git a/OpenRA.Mods.Common/Widgets/Logic/Installation/DownloadPackageLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/Installation/DownloadPackageLogic.cs
index 7f5166e7911e..c3432cae104f 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/Installation/DownloadPackageLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/Installation/DownloadPackageLogic.cs
@@ -304,7 +304,7 @@ void DownloadUrl(string url)
 						var httpResponseMessage = await client.GetAsync(download.MirrorList);
 						var result = await httpResponseMessage.Content.ReadAsStringAsync();
 
-						var mirrorList = result.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
+						var mirrorList = result.Split('\n', StringSplitOptions.RemoveEmptyEntries);
 						DownloadUrl(mirrorList.Random(new MersenneTwister()));
 					}
 					catch (Exception e)