diff --git a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
index 8368870b620..def6b445d4e 100644
--- a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
+++ b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
@@ -966,26 +966,6 @@ static void rtpcs_930x_sds_tx_config(struct rtpcs_ctrl *ctrl, int sds,
 	rtpcs_sds_write_bits(ctrl, sds, page, 0x18, 15, 12, impedance);
 }
 
-/* Wait for clock ready, this assumes the SerDes is in XGMII mode
- * timeout is in ms
- */
-__always_unused
-static int rtpcs_930x_sds_clock_wait(struct rtpcs_ctrl *ctrl, int timeout)
-{
-	u32 v;
-	unsigned long start = jiffies;
-	unsigned long end = start + (HZ / 1000) * timeout;
-
-	do {
-		rtpcs_sds_write_bits(ctrl, 2, 0x1f, 0x2, 15, 0, 53);
-		v = rtpcs_sds_read_bits(ctrl, 2, 0x1f, 20, 5, 4);
-		if (v == 3)
-			return 0;
-	} while (time_before(jiffies, end));
-
-	return 1;
-}
-
 __always_unused
 static void rtpcs_930x_sds_rxcal_dcvs_manual(struct rtpcs_ctrl *ctrl, u32 sds_num,
 					     u32 dcvs_id, bool manual, u32 dvcs_list[])