diff --git a/src/usb_moded-modesetting.c b/src/usb_moded-modesetting.c
index 33c8342..cc628c4 100644
--- a/src/usb_moded-modesetting.c
+++ b/src/usb_moded-modesetting.c
@@ -553,6 +553,8 @@ static bool modesetting_enter_mass_storage_mode(struct mode_list_elem *data)
 
 static int modesetting_leave_mass_storage_mode(struct mode_list_elem *data)
 {
+    (void)data;
+
     bool            ack      = false;
     size_t          count    = 0;
     storage_info_t *info     = 0;
diff --git a/src/usb_moded-worker.c b/src/usb_moded-worker.c
index db90fb4..8dac5aa 100644
--- a/src/usb_moded-worker.c
+++ b/src/usb_moded-worker.c
@@ -586,6 +586,8 @@ worker_add_iowatch(int fd, bool close_on_unref,
 
 static void *worker_thread_cb(void *aptr)
 {
+    (void)aptr;
+
     /* Async cancellation, but disabled */
     pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, 0);
     pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, 0);