Remove unused variable
diff --git a/src/adapter.c b/src/adapter.c
index ee30aed..4f28e2c 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -3380,16 +3380,12 @@
 
 int btd_adapter_switch_online(struct btd_adapter *adapter)
 {
-	gboolean discoverable;
-
 	if (!adapter_ops)
 		return -EINVAL;
 
 	if (adapter->up)
 		return 0;
 
-	discoverable = get_mode(&adapter->bdaddr, "on") == MODE_DISCOVERABLE;
-
 	return adapter_ops->set_powered(adapter->dev_id, TRUE);
 }