diff --git a/subsys/bluetooth/audio/ascs.c b/subsys/bluetooth/audio/ascs.c
index 4bbb131..5490e8f 100644
--- a/subsys/bluetooth/audio/ascs.c
+++ b/subsys/bluetooth/audio/ascs.c
@@ -2279,7 +2279,6 @@
 	default:
 		ascs_cp_rsp_add(0x00, req->op, BT_ASCS_RSP_NOT_SUPPORTED, 0);
 		BT_DBG("Unknown opcode");
-		len = BT_GATT_ERR(BT_ATT_ERR_NOT_SUPPORTED);
 		goto respond;
 	}