diff --git a/src/tests/CoreMangLib/system/delegate/VSD/OpenDelegate.cs b/src/tests/CoreMangLib/system/delegate/VSD/OpenDelegate.cs
index c03a29b4fdb116..374401be3dc1bb 100644
--- a/src/tests/CoreMangLib/system/delegate/VSD/OpenDelegate.cs
+++ b/src/tests/CoreMangLib/system/delegate/VSD/OpenDelegate.cs
@@ -13,7 +13,7 @@ public class ClassA
     }
 
     public delegate int Delegate_TC_Int(ClassA tc);
-    public static MethodInfo GetMethod(Type t, string method)
+    public static MethodInfo GetMethod([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods)] Type t, string method)
     {
         TypeInfo typeInfo = t.GetTypeInfo();
         IEnumerator<MethodInfo> enumerator = typeInfo.DeclaredMethods.GetEnumerator();
diff --git a/src/tests/Directory.Build.targets b/src/tests/Directory.Build.targets
index e2f97f7f0c5f94..ca0c6b3bb4e082 100644
--- a/src/tests/Directory.Build.targets
+++ b/src/tests/Directory.Build.targets
@@ -532,10 +532,6 @@
     <!-- IL projects often have mismatches assembly names vs file names and that breaks Win32 resource generation option -->
     <IlcGenerateWin32Resources Condition="'$(Language)' == 'IL'">false</IlcGenerateWin32Resources>
 
-    <!-- The default TrimMode in the SDK is full. But trimming most of the tests would just make them fail,
-         so the default for the test tree is partial. -->
-    <TrimMode Condition="'$(EnableAggressiveTrimming)' != 'true'">partial</TrimMode>
-
     <IlcTreatWarningsAsErrors>false</IlcTreatWarningsAsErrors>
 
     <IlcToolsPath>$(CoreCLRCrossILCompilerDir)</IlcToolsPath>
@@ -561,16 +557,6 @@
     <!-- Bump the generic cycle tolerance. There's at least one test with a cycle that is reachable at runtime to depth 6 -->
     <IlcArg Include="--maxgenericcycle:7" />
 
-    <!-- We set TrimMode to partial so that we don't trim parts of the tests,
-         but don't make this apply to xunit cruft -->
-    <IlcArg Include="--trim:Microsoft.DotNet.XUnitExtensions" />
-    <IlcArg Include="--trim:xunit.abstractions" />
-    <IlcArg Include="--trim:xunit.assert" />
-    <IlcArg Include="--trim:xunit.console" />
-    <IlcArg Include="--trim:xunit.core" />
-    <IlcArg Include="--trim:xunit.execution.dotnet" />
-    <IlcArg Include="--trim:xunit.abstractions" />
-
     <!-- NativeAOT compiled output is placed into a 'native' subdirectory: we need to set
          rpath so that the test can load its native library dependencies if there's any -->
     <LinkerArg Include="-Wl,-rpath,'@executable_path/..'" Condition="'$(SetIlcRPath)' != 'false' and ('$(TargetOS)' == 'osx' or '$(TargetsAppleMobile)' == 'true')" />
diff --git a/src/tests/Loader/classloader/TypeForwarding/UnitTest/UnitTest.il b/src/tests/Loader/classloader/TypeForwarding/UnitTest/UnitTest.il
index 9e5b3949466070..09748a3061efe9 100644
--- a/src/tests/Loader/classloader/TypeForwarding/UnitTest/UnitTest.il
+++ b/src/tests/Loader/classloader/TypeForwarding/UnitTest/UnitTest.il
@@ -62,6 +62,12 @@
                                                                                                 bool)
     IL_0060:  call       object [mscorlib]System.Activator::CreateInstance(class [mscorlib]System.Type)
     IL_0065:  pop
+
+              ldstr      "MyDep.Enclosing2+Nested1+SubNested2, MyDep, Versio"
+              + "n=1.0.0.0, Culture=neutral, PublicKeyToken=null"
+              call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
+              pop
+
     IL_0066:  ldstr      "MyDep.Enclosing2+Nested2+SubNested1, MyDep, Versio"
     + "n=1.0.0.0, Culture=neutral, PublicKeyToken=null"
     IL_006b:  call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
@@ -109,6 +115,12 @@
                                                                                                 bool)
     IL_00e6:  call       object [mscorlib]System.Activator::CreateInstance(class [mscorlib]System.Type)
     IL_00eb:  pop
+
+              ldstr      "MyDep2.Enclosing2+Nested1+SubNested2, MyDep, Versi"
+              + "on=1.0.0.0, Culture=neutral, PublicKeyToken=null"
+              call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
+              pop
+
     IL_00ec:  ldstr      "MyDep2.Enclosing2+Nested2+SubNested1, MyDep, Versi"
     + "on=1.0.0.0, Culture=neutral, PublicKeyToken=null"
     IL_00f1:  call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
@@ -156,6 +168,13 @@
                                                                                                 bool)
     IL_016c:  call       object [mscorlib]System.Activator::CreateInstance(class [mscorlib]System.Type)
     IL_0171:  pop
+
+              ldstr      "MyDep3.Enclosing2+Nested1+SubNested2, MyDep, Versi"
+              + "on=1.0.0.0, Culture=neutral, PublicKeyToken=null"
+              call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
+              pop
+
+
     IL_0172:  ldstr      "MyDep3.Enclosing2+Nested2+SubNested1, MyDep, Versi"
     + "on=1.0.0.0, Culture=neutral, PublicKeyToken=null"
     IL_0177:  call       class [mscorlib]System.Type [mscorlib]System.Type::GetType(string)
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst001.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst001.cs
index 750ffc6bdc5146..d38c69d60b11a8 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst001.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst001.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -33,7 +34,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst002.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst002.cs
index 9dfe732f4cdb8a..22f28aa7bd7cc6 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst002.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst002.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -35,7 +36,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst003.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst003.cs
index ce06d28134cf19..83052edeb49e33 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst003.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst003.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -33,7 +34,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst004.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst004.cs
index 6c5fa9c09331e8..6903040f3dee7d 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst004.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst004.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -33,7 +34,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst005.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst005.cs
index 9b9373d10af844..106906450fba7e 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst005.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst005.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -33,7 +34,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/IsInst006.cs b/src/tests/Loader/classloader/generics/Variance/IL/IsInst006.cs
index f49beb692ed58c..ea57e9c680cbea 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/IsInst006.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/IsInst006.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -33,7 +34,7 @@ public static void Eval(string location, bool exp)
 		}
 	}
 
-	public static bool UIsInstT<T,U>(bool expected)
+	public static bool UIsInstT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
index 7ae7877f1c0a5e..f049944cbe109a 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox001.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
index e68bf719a243ef..31e778441e1fce 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox002.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
index d8ad357fba2fb6..26c8a7faeb6494 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox003.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
index 8f4380e2ecb841..d263c23579d330 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox004.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
index 7ad21e670f8b52..ef630d4c11c14a 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox005.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs b/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
index 065cace35db12d..15db183b94117d 100644
--- a/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
+++ b/src/tests/Loader/classloader/generics/Variance/IL/Unbox006.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Xunit;
 
 public class Base {}
@@ -32,17 +33,17 @@ public static void Eval(string location, bool exp)
 			Console.WriteLine("Test Failed at location: {0} @ count {1} ", location, iTestCount);
 		}
 	}
-	private static void UnboxUToTInternal<T,U>()
+	private static void UnboxUToTInternal<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		T t = (T) Activator.CreateInstance(typeof(U));
 	}
 
-	private static void CaseClassUToTWrapper<T,U>()
+	private static void CaseClassUToTWrapper<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>()
 	{
 		UnboxUToTInternal<T,U>();
 	}
 
-	public static bool UnboxUToT<T,U>(bool expected)
+	public static bool UnboxUToT<T, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)] U>(bool expected)
 	{
 		try
 		{
diff --git a/src/tests/Regressions/coreclr/20616/UnicodeBug.il b/src/tests/Regressions/coreclr/20616/UnicodeBug.il
index d1039f010bba48..83c93fabcd0b77 100644
--- a/src/tests/Regressions/coreclr/20616/UnicodeBug.il
+++ b/src/tests/Regressions/coreclr/20616/UnicodeBug.il
@@ -93,6 +93,54 @@
   call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool, bool)
   pop
 
+  // Trimming doesn't analyze case insensitive searches, so do one more case sensitive
+  // search of everything for trimming analysis sake
+
+  ldstr "л"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "Общеязыковаяисполняющаясреда"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "ꯀ"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "Ａ"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "Ｂｕｇ"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "𐐨"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "𐐩𐐪"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "𐐪A𐐪"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
+  ldstr "𐐪Z𐐪"
+  ldc.i4.1
+  call class [mscorlib]System.Type class [mscorlib]System.Type::GetType(string, bool)
+  pop
+
   ldc.i4 100
   ret
 }