diff --git a/Harmony/Documentation/GlobalSuppressions.cs b/Harmony/Documentation/GlobalSuppressions.cs
index 35b3f4e0..8bf71a0e 100644
--- a/Harmony/Documentation/GlobalSuppressions.cs
+++ b/Harmony/Documentation/GlobalSuppressions.cs
@@ -19,5 +19,6 @@
 [assembly: SuppressMessage("Performance", "CA1806")]
 [assembly: SuppressMessage("Performance", "CA1859")]
 
+[assembly: SuppressMessage("", "CA1016")]
 [assembly: SuppressMessage("", "CS0649")]
 [assembly: SuppressMessage("", "IDE0251")]
diff --git a/Harmony/Tools/AccessTools.cs b/Harmony/Tools/AccessTools.cs
index cac03790..a6656b50 100644
--- a/Harmony/Tools/AccessTools.cs
+++ b/Harmony/Tools/AccessTools.cs
@@ -9,8 +9,6 @@
 using System.Reflection;
 using System.Reflection.Emit;
 using System.Threading;
-
-
 #if NET45_OR_GREATER || NETSTANDARD || NETCOREAPP
 using System.Runtime.CompilerServices;
 #endif
diff --git a/HarmonyTests/GlobalSuppressions.cs b/HarmonyTests/GlobalSuppressions.cs
index 549481c4..0c8f7490 100644
--- a/HarmonyTests/GlobalSuppressions.cs
+++ b/HarmonyTests/GlobalSuppressions.cs
@@ -11,6 +11,7 @@
 [assembly: SuppressMessage("Design", "CA1034")]
 [assembly: SuppressMessage("Design", "CA1052")]
 
+[assembly: SuppressMessage("", "CA1016")]
 [assembly: SuppressMessage("", "CS0169")]
 [assembly: SuppressMessage("", "CA1401")]
 
diff --git a/HarmonyTests/HarmonyTests.csproj b/HarmonyTests/HarmonyTests.csproj
index 857cbb34..b33678de 100644
--- a/HarmonyTests/HarmonyTests.csproj
+++ b/HarmonyTests/HarmonyTests.csproj
@@ -52,7 +52,7 @@
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		  <PrivateAssets>all</PrivateAssets>
 		</PackageReference>
-		<PackageReference Include="NUnit" Version="3.13.3" />
+		<PackageReference Include="NUnit" Version="3.14.0" />
 		<PackageReference Include="NUnit3TestAdapter" Version="3.17.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -65,7 +65,7 @@
 	</ItemGroup>
 
 	<ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETCoreApp'">
-		<PackageReference Include="Lokad.ILPack" Version="0.1.4" PrivateAssets="all" />
+		<PackageReference Include="Lokad.ILPack" Version="0.1.7" PrivateAssets="all" />
 	</ItemGroup>
 
 	<Target Name="ChangeAliasesOfStrongNameAssemblies" BeforeTargets="FindReferenceAssembliesForReferences;ResolveReferences">
diff --git a/HarmonyTests/Patching/FinalizerPatches.cs b/HarmonyTests/Patching/FinalizerPatches.cs
index d4276914..637aff87 100644
--- a/HarmonyTests/Patching/FinalizerPatches.cs
+++ b/HarmonyTests/Patching/FinalizerPatches.cs
@@ -3,9 +3,7 @@
 using NUnit.Framework;
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Reflection;
-using System.Security.Cryptography.X509Certificates;
 using System.Text;
 
 namespace HarmonyLibTests.Patching
@@ -22,7 +20,7 @@ public void Test_FinalizerPatchOrder()
 			harmony.PatchCategory("finalizer-test");
 			try
 			{
-				_ = progress.Clear();
+				progress = new();
 				Class.Test();
 				Assert.Fail("Should throw an exception");
 			}
diff --git a/HarmonyTests/Patching/Specials.cs b/HarmonyTests/Patching/Specials.cs
index 55215905..640cb356 100644
--- a/HarmonyTests/Patching/Specials.cs
+++ b/HarmonyTests/Patching/Specials.cs
@@ -74,7 +74,7 @@ public void Test_PatchResultRef()
 			Assert.AreEqual(new[] { 1, 0 }, ResultRefStruct.numbersPrefix);
 			Assert.AreEqual(new[] { 2, 0 }, ResultRefStruct.numbersPostfix);
 			Assert.AreEqual(new[] { 3 }, ResultRefStruct.numbersPostfixWithNull);
-			Assert.Throws<Exception>(() => test.ToFinalizer(), "ToFinalizer method does not throw");
+			_ = Assert.Throws<Exception>(() => test.ToFinalizer(), "ToFinalizer method does not throw");
 			Assert.AreEqual(new[] { 5, 0 }, ResultRefStruct.numbersMixed);
 
 			var replacements = processor.Patch();
@@ -255,7 +255,7 @@ public void Test_PatchException()
 			);
 			DeadEndCode_Patch1.prefixCalled = false;
 			DeadEndCode_Patch1.postfixCalled = false;
-			test.Method();
+			_ = test.Method();
 			Assert.True(DeadEndCode_Patch1.prefixCalled);
 			Assert.True(DeadEndCode_Patch1.postfixCalled);
 		}
diff --git a/HarmonyTests/Patching/Transpiling.cs b/HarmonyTests/Patching/Transpiling.cs
index 438a4967..d35f9e82 100644
--- a/HarmonyTests/Patching/Transpiling.cs
+++ b/HarmonyTests/Patching/Transpiling.cs
@@ -1,7 +1,6 @@
 using HarmonyLib;
 using HarmonyLibTests.Assets;
 using NUnit.Framework;
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection.Emit;
diff --git a/HarmonyTests/Tools/Assets/AttributesClass.cs b/HarmonyTests/Tools/Assets/AttributesClass.cs
index af8ffc8b..d85457a7 100644
--- a/HarmonyTests/Tools/Assets/AttributesClass.cs
+++ b/HarmonyTests/Tools/Assets/AttributesClass.cs
@@ -1,5 +1,4 @@
 using HarmonyLib;
-using System;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 
diff --git a/HarmonyTests/Tools/Assets/CodeMatcherClass.cs b/HarmonyTests/Tools/Assets/CodeMatcherClass.cs
index 3c7edf52..2658ab2a 100644
--- a/HarmonyTests/Tools/Assets/CodeMatcherClass.cs
+++ b/HarmonyTests/Tools/Assets/CodeMatcherClass.cs
@@ -1,8 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
 namespace HarmonyTests.Tools.Assets
 {
 	public class CodeMatcherClass
diff --git a/HarmonyTests/Tools/TestAccessTools.cs b/HarmonyTests/Tools/TestAccessTools.cs
index 0e7668fb..5437e72e 100644
--- a/HarmonyTests/Tools/TestAccessTools.cs
+++ b/HarmonyTests/Tools/TestAccessTools.cs
@@ -4,10 +4,12 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Reflection;
 using System.Reflection.Emit;
 using static HarmonyLibTests.Assets.AccessToolsMethodDelegate;
+#if NETCOREAPP
+using System.Linq;
+#endif
 
 namespace HarmonyLibTests.Tools
 {