diff --git a/libc/bionic/semaphore.c b/libc/bionic/semaphore.c
index b12a37d..7387d6e 100644
--- a/libc/bionic/semaphore.c
+++ b/libc/bionic/semaphore.c
@@ -147,7 +147,7 @@
 }
 
 
-int sem_unlink(const char * name)
+int sem_unlink(const char* name __unused)
 {
     errno = ENOSYS;
     return -1;
@@ -266,7 +266,6 @@
 
 int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout)
 {
-    int  ret;
     unsigned int shared;
 
     if (sem == NULL) {