--- xnu/xnu-12377.101.15/tests/thread_test_context.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <darwintest.h>
-#include <darwintest_utils.h>
-#include <test_utils.h>
-
-T_GLOBAL_META(
-	T_META_NAMESPACE("xnu.misc"),
-	T_META_RUN_CONCURRENTLY(true),
-	T_META_CHECK_LEAKS(false),
-	T_META_OWNER("gparker"));
-
-static int64_t
-run_sysctl_test(const char *t, int64_t value)
-{
-	char name[1024];
-	int64_t result = 0;
-	size_t s = sizeof(value);
-	int rc;
-
-	snprintf(name, sizeof(name), "debug.test.%s", t);
-	rc = sysctlbyname(name, &result, &s, &value, s);
-	T_QUIET; T_ASSERT_POSIX_SUCCESS(rc, "sysctlbyname(%s)", t);
-	return result;
-}
-
-T_DECL(thread_test_context,
-    "infrastructure for threads running kernel tests",
-    XNU_T_META_REQUIRES_DEVELOPMENT_KERNEL)
-{
-	int64_t bad_line = run_sysctl_test("thread_test_context", 0);
-	/* return value is one or two line numbers in thread.c */
-	int64_t bad_line_2 = bad_line >> 32;
-	bad_line = (bad_line << 32) >> 32;
-
-	if (bad_line_2) {
-		T_FAIL("error at osfmk/kern/thread.c:%lld from thread.c:%lld",
-		    bad_line_2, bad_line);
-	} else if (bad_line) {
-		T_FAIL("error at osfmk/kern/thread.c:%lld",
-		    bad_line);
-	} else {
-		T_PASS("thread_test_context");
-	}
-}