--- Libc/Libc-1583.0.14/tests/netbsd_vis.c
+++ Libc/Libc-1534.40.2/tests/netbsd_vis.c
@@ -34,9 +34,6 @@
 #include <vis.h>
 
 #include <darwintest.h>
-#include <locale.h>
-
-#include <TargetConditionals.h>
 
 static int styles[] = {
 	VIS_OCTAL,
@@ -102,25 +99,6 @@
 	T_ASSERT_EQ(dst[1], 'a', NULL);
 }
 
-#if TARGET_OS_OSX
-/* rdar://problem/108684957 - multibyte spaces should also be passed through */
-T_DECL(strvis_cstyle_mbspace, "strvis(3) multibyte space")
-{
-	const char str[] = "\xe2\x80\xaf";
-	char dst[(sizeof(str) - 1) * 4];
-	int ret;
-
-	(void)setlocale(LC_CTYPE, "en_US.UTF-8");
-
-	ret = strsnvisx(dst, sizeof(dst), str, sizeof(str) - 1,
-	    VIS_CSTYLE | VIS_NOSLASH, "\\\"\b\f\n\r\t");
-	T_ASSERT_EQ(ret, sizeof(str) - 1, NULL);
-	T_ASSERT_EQ_STR(dst, str, NULL);
-
-	(void)setlocale(LC_CTYPE, "C");
-}
-#endif
-
 T_DECL(strunvis_hex, "strunvis(3) \\Xxx")
 {
 	static const struct {