diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 6cbf85b32e052342032a09fc2e0f43530a9b7f25..34cd9936b1c037828daf48dfc4bd84895f822cd5 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -37,10 +37,10 @@ _Noreturn void __pthread_exit(void *result)
 
 	__pthread_tsd_run_dtors();
 
-	__lock(self->exitlock);
+	LOCK(self->exitlock);
 
 	/* Mark this thread dead before decrementing count */
-	__lock(self->killlock);
+	LOCK(self->killlock);
 	self->dead = 1;
 
 	/* Block all signals before decrementing the live thread count.
@@ -54,7 +54,7 @@ _Noreturn void __pthread_exit(void *result)
 	 * been blocked. This precludes observation of the thread id
 	 * as a live thread (with application code running in it) after
 	 * the thread was reported dead by ESRCH being returned. */
-	__unlock(self->killlock);
+	UNLOCK(self->killlock);
 
 	/* It's impossible to determine whether this is "the last thread"
 	 * until performing the atomic decrement, since multiple threads
diff --git a/src/thread/pthread_detach.c b/src/thread/pthread_detach.c
index d9c90d1c89fa9ab56024eef5464db64e040e9c1c..692bbaf9cb643d111c69dc52ac8f5acda2eb89d5 100644
--- a/src/thread/pthread_detach.c
+++ b/src/thread/pthread_detach.c
@@ -9,7 +9,7 @@ static int __pthread_detach(pthread_t t)
 	if (a_cas(t->exitlock, 0, INT_MIN + 1))
 		return __pthread_join(t, 0);
 	t->detached = 2;
-	__unlock(t->exitlock);
+	UNLOCK(t->exitlock);
 	return 0;
 }
 
diff --git a/src/thread/pthread_getschedparam.c b/src/thread/pthread_getschedparam.c
index 3053c1865e0a1f1d2c6c8ea16d30ecdcddfb4a7d..a994b637306a40c1155c1e400bfd2816b888676e 100644
--- a/src/thread/pthread_getschedparam.c
+++ b/src/thread/pthread_getschedparam.c
@@ -3,7 +3,7 @@
 int pthread_getschedparam(pthread_t t, int *restrict policy, struct sched_param *restrict param)
 {
 	int r;
-	__lock(t->killlock);
+	LOCK(t->killlock);
 	if (t->dead) {
 		r = ESRCH;
 	} else {
@@ -12,6 +12,6 @@ int pthread_getschedparam(pthread_t t, int *restrict policy, struct sched_param
 			*policy = __syscall(SYS_sched_getscheduler, t->tid);
 		}
 	}
-	__unlock(t->killlock);
+	UNLOCK(t->killlock);
 	return r;
 }
diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index acdb1ea6173c27284ed946a63831855908f28f19..f090342064d867de24b9287694b02927afe2bd0f 100644
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -3,8 +3,8 @@
 int pthread_kill(pthread_t t, int sig)
 {
 	int r;
-	__lock(t->killlock);
+	LOCK(t->killlock);
 	r = t->dead ? ESRCH : -__syscall(SYS_tkill, t->tid, sig);
-	__unlock(t->killlock);
+	UNLOCK(t->killlock);
 	return r;
 }
diff --git a/src/thread/pthread_setschedparam.c b/src/thread/pthread_setschedparam.c
index c4738d643bdad782674836477992f02b608eabc8..9e2fa45674ff6f80abd4979dae17f23d51b08dcd 100644
--- a/src/thread/pthread_setschedparam.c
+++ b/src/thread/pthread_setschedparam.c
@@ -3,8 +3,8 @@
 int pthread_setschedparam(pthread_t t, int policy, const struct sched_param *param)
 {
 	int r;
-	__lock(t->killlock);
+	LOCK(t->killlock);
 	r = t->dead ? ESRCH : -__syscall(SYS_sched_setscheduler, t->tid, policy, param);
-	__unlock(t->killlock);
+	UNLOCK(t->killlock);
 	return r;
 }
diff --git a/src/thread/pthread_setschedprio.c b/src/thread/pthread_setschedprio.c
index e0bdc03b8405c2f8938bbf557b933e375e9dce81..dc745b42a4616adfb23a7c6e8916d740b8e500ba 100644
--- a/src/thread/pthread_setschedprio.c
+++ b/src/thread/pthread_setschedprio.c
@@ -3,8 +3,8 @@
 int pthread_setschedprio(pthread_t t, int prio)
 {
 	int r;
-	__lock(t->killlock);
+	LOCK(t->killlock);
 	r = t->dead ? ESRCH : -__syscall(SYS_sched_setparam, t->tid, &prio);
-	__unlock(t->killlock);
+	UNLOCK(t->killlock);
 	return r;
 }