--- xnu/xnu-12377.101.15/tests/intrusive_shared_ptr_src/assign.nullptr.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-//
-// Tests for
-//  intrusive_shared_ptr& operator=(std::nullptr_t);
-//
-
-#include <libkern/c++/intrusive_shared_ptr.h>
-#include <darwintest.h>
-#include "test_policy.h"
-
-struct T {
-	int i;
-};
-
-template <typename T>
-static void
-tests()
-{
-	T obj{3};
-
-	// Assign nullptr to non-null
-	{
-		tracked_shared_ptr<T> ptr(&obj, libkern::retain);
-		tracking_policy::reset();
-		tracked_shared_ptr<T>& ref = (ptr = nullptr);
-		CHECK(tracking_policy::releases == 1);
-		CHECK(tracking_policy::retains == 0);
-		CHECK(&ref == &ptr);
-		CHECK(ptr.get() == nullptr);
-	}
-
-	// Assign nullptr to null
-	{
-		tracked_shared_ptr<T> ptr = nullptr;
-		tracking_policy::reset();
-		tracked_shared_ptr<T>& ref = (ptr = nullptr);
-		CHECK(tracking_policy::releases == 0);
-		CHECK(tracking_policy::retains == 0);
-		CHECK(&ref == &ptr);
-		CHECK(ptr.get() == nullptr);
-	}
-}
-
-T_DECL(assign_nullptr, "intrusive_shared_ptr.assign.nullptr", T_META_TAG_VM_PREFERRED) {
-	tests<T>();
-	tests<T const>();
-}