diff --git a/drivers/net/ethernet/renesas/rcar_gen4_ptp.h b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
index b1bbea8d3a52..9f148110df66 100644
--- a/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
+++ b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
@@ -13,7 +13,6 @@
 #define RCAR_GEN4_PTP_CLOCK_S4		PTPTIVC_INIT
 #define RCAR_GEN4_GPTP_OFFSET_S4	0x00018000
 
-/* for rcar_gen4_ptp_init */
 enum rcar_gen4_ptp_reg_layout {
 	RCAR_GEN4_PTP_REG_LAYOUT_S4
 };