--- xnu/xnu-12377.101.15/tests/intrusive_shared_ptr_src/detach.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-//
-// Tests for
-//  pointer detach() noexcept;
-//
-
-#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};
-
-	tracking_policy::reset();
-	tracked_shared_ptr<T> ptr(&obj, libkern::retain);
-	T* raw = ptr.detach();
-	CHECK(raw == &obj);
-	CHECK(ptr.get() == nullptr); // ptr was set to null
-	CHECK(tracking_policy::retains == 1);
-	CHECK(tracking_policy::releases == 0);
-}
-
-T_DECL(detach, "intrusive_shared_ptr.detach", T_META_TAG_VM_PREFERRED) {
-	tests<T>();
-	tests<T const>();
-}