diff --git a/fpga/common/rtl/mqnic_core.v b/fpga/common/rtl/mqnic_core.v
index 78ace7b93..67bd7fbdb 100644
--- a/fpga/common/rtl/mqnic_core.v
+++ b/fpga/common/rtl/mqnic_core.v
@@ -3539,8 +3539,6 @@ generate
                 ptp_clock_cdc #(
                     .TS_WIDTH(PTP_TS_WIDTH),
                     .NS_WIDTH(6),
-                    .FNS_WIDTH(16),
-                    .USE_SAMPLE_CLOCK(PTP_USE_SAMPLE_CLOCK),
                     .PIPELINE_OUTPUT(PTP_PORT_CDC_PIPELINE)
                 )
                 tx_ptp_cdc_inst (
@@ -3560,8 +3558,6 @@ generate
                 ptp_clock_cdc #(
                     .TS_WIDTH(PTP_TS_WIDTH),
                     .NS_WIDTH(6),
-                    .FNS_WIDTH(16),
-                    .USE_SAMPLE_CLOCK(PTP_USE_SAMPLE_CLOCK),
                     .PIPELINE_OUTPUT(PTP_PORT_CDC_PIPELINE)
                 )
                 rx_ptp_cdc_inst (
diff --git a/fpga/common/rtl/mqnic_ptp_clock.v b/fpga/common/rtl/mqnic_ptp_clock.v
index a32420b8a..8e9b4f44a 100644
--- a/fpga/common/rtl/mqnic_ptp_clock.v
+++ b/fpga/common/rtl/mqnic_ptp_clock.v
@@ -327,8 +327,6 @@ assign ptp_pps_str = pps_str_reg;
 ptp_clock_cdc #(
     .TS_WIDTH(96),
     .NS_WIDTH(PTP_PERIOD_NS_WIDTH),
-    .FNS_WIDTH(16),
-    .USE_SAMPLE_CLOCK(PTP_USE_SAMPLE_CLOCK),
     .PIPELINE_OUTPUT(PTP_CLOCK_CDC_PIPELINE)
 )
 ptp_cdc_inst (