diff --git a/contrib/netbsd-tests/lib/libpthread/t_mutex.c b/contrib/netbsd-tests/lib/libpthread/t_mutex.c
index b5b07b31b4f0..eb371fabd883 100644
--- a/contrib/netbsd-tests/lib/libpthread/t_mutex.c
+++ b/contrib/netbsd-tests/lib/libpthread/t_mutex.c
@@ -117,9 +117,11 @@ ATF_TC(mutex2);
 ATF_TC_HEAD(mutex2, tc)
 {
 	atf_tc_set_md_var(tc, "descr", "Checks mutexes");
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	atf_tc_set_md_var(tc, "timeout", "40");
 #endif
+#endif
 }
 ATF_TC_BODY(mutex2, tc)
 {
@@ -129,8 +131,10 @@ ATF_TC_BODY(mutex2, tc)
 
 	printf("1: Mutex-test 2\n");
 
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	atf_tc_expect_timeout("PR port-powerpc/44387");
+#endif
 #endif
 
 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
@@ -158,6 +162,7 @@ ATF_TC_BODY(mutex2, tc)
 		global_x, (long)joinval);
 	ATF_REQUIRE_EQ(global_x, 20000000);
 
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	/* XXX force a timeout in ppc case since an un-triggered race
 	   otherwise looks like a "failure" */
@@ -165,6 +170,7 @@ ATF_TC_BODY(mutex2, tc)
 	   complain about unexpected success */
 	sleep(41);
 #endif
+#endif
 }
 
 static void *
@@ -188,9 +194,11 @@ ATF_TC_HEAD(mutex3, tc)
 {
 	atf_tc_set_md_var(tc, "descr", "Checks mutexes using a static "
 	    "initializer");
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	atf_tc_set_md_var(tc, "timeout", "40");
 #endif
+#endif
 }
 ATF_TC_BODY(mutex3, tc)
 {
@@ -200,8 +208,10 @@ ATF_TC_BODY(mutex3, tc)
 
 	printf("1: Mutex-test 3\n");
 
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	atf_tc_expect_timeout("PR port-powerpc/44387");
+#endif
 #endif
 
 	global_x = 0;
@@ -227,6 +237,7 @@ ATF_TC_BODY(mutex3, tc)
 		global_x, (long)joinval);
 	ATF_REQUIRE_EQ(global_x, 20000000);
 
+#ifdef __NetBSD__
 #if defined(__powerpc__)
 	/* XXX force a timeout in ppc case since an un-triggered race
 	   otherwise looks like a "failure" */
@@ -234,6 +245,7 @@ ATF_TC_BODY(mutex3, tc)
 	   complain about unexpected success */
 	sleep(41);
 #endif
+#endif
 }
 
 static void *