diff --git a/src/mono/mono/metadata/marshal-lightweight.c b/src/mono/mono/metadata/marshal-lightweight.c
index 86f64eeb40bba..6399b315cfd20 100644
--- a/src/mono/mono/metadata/marshal-lightweight.c
+++ b/src/mono/mono/metadata/marshal-lightweight.c
@@ -2322,7 +2322,7 @@ method_sig_from_accessor_sig (MonoMethodBuilder *mb, gboolean hasthis, MonoMetho
 	ret->hasthis = hasthis;
 	for (int i = 1; i < ret->param_count; i++)
 		ret->params [i - 1] = ret->params [i];
-	memset (&ret->params[ret->param_count - 1], 0, sizeof (MonoType)); // just in case
+	memset (&ret->params[ret->param_count - 1], 0, sizeof (MonoType*)); // just in case
 	ret->param_count--;
 	return ret;
 }
@@ -2467,7 +2467,7 @@ emit_unsafe_accessor_method_wrapper (MonoMethodBuilder *mb, MonoMethod *accessor
 static void
 emit_unsafe_accessor_wrapper_ilgen (MonoMethodBuilder *mb, MonoMethod *accessor_method, MonoMethodSignature *sig, MonoGenericContext *ctx, MonoUnsafeAccessorKind kind, const char *member_name)
 {
-	if (accessor_method->is_inflated || accessor_method->is_generic || mono_class_is_ginst (accessor_method->klass) || ctx != NULL) {
+	if (accessor_method->is_generic || ctx != NULL) {
 		mono_mb_emit_exception_full (mb, "System", "BadImageFormatException", "UnsafeAccessor_Generics");
 		return;
 	}
diff --git a/src/tests/baseservices/compilerservices/UnsafeAccessors/UnsafeAccessorsTests.Generics.cs b/src/tests/baseservices/compilerservices/UnsafeAccessors/UnsafeAccessorsTests.Generics.cs
index e1029797bf12c..e4fb9593dd3ed 100644
--- a/src/tests/baseservices/compilerservices/UnsafeAccessors/UnsafeAccessorsTests.Generics.cs
+++ b/src/tests/baseservices/compilerservices/UnsafeAccessors/UnsafeAccessorsTests.Generics.cs
@@ -63,7 +63,6 @@ private void Add(Struct a) =>
     }
 
     [Fact]
-    [ActiveIssue("https://github.com/dotnet/runtime/issues/89439", TestRuntimes.Mono)]
     public static void Verify_Generic_AccessStaticFieldClass()
     {
         Console.WriteLine($"Running {nameof(Verify_Generic_AccessStaticFieldClass)}");
@@ -99,7 +98,6 @@ public static void Verify_Generic_AccessStaticFieldClass()
     }
 
     [Fact]
-    [ActiveIssue("https://github.com/dotnet/runtime/issues/89439", TestRuntimes.Mono)]
     public static void Verify_Generic_AccessFieldClass()
     {
         Console.WriteLine($"Running {nameof(Verify_Generic_AccessFieldClass)}");
@@ -284,7 +282,6 @@ public static void Verify_Generic_CallCtor()
     }
 
     [Fact]
-    [ActiveIssue("https://github.com/dotnet/runtime/issues/89439", TestRuntimes.Mono)]
     public static void Verify_Generic_GenericTypeNonGenericInstanceMethod()
     {
         Console.WriteLine($"Running {nameof(Verify_Generic_GenericTypeNonGenericInstanceMethod)}");
@@ -358,7 +355,6 @@ public static void Verify_Generic_GenericTypeGenericInstanceMethod()
     }
 
     [Fact]
-    [ActiveIssue("https://github.com/dotnet/runtime/issues/89439", TestRuntimes.Mono)]
     public static void Verify_Generic_GenericTypeNonGenericStaticMethod()
     {
         Console.WriteLine($"Running {nameof(Verify_Generic_GenericTypeNonGenericStaticMethod)}");