diff --git a/library/axi_jesd_xcvr/axi_jesd_xcvr.v b/library/axi_jesd_xcvr/axi_jesd_xcvr.v
index f4f74da1a..feabfd587 100644
--- a/library/axi_jesd_xcvr/axi_jesd_xcvr.v
+++ b/library/axi_jesd_xcvr/axi_jesd_xcvr.v
@@ -82,20 +82,12 @@ module axi_jesd_xcvr (
   s_axi_rvalid,
   s_axi_rdata,
   s_axi_rresp,
-  s_axi_rready,
-
-  // signal tap interface
-
-  stp_clk,
-  stp_data,
-  stp_trigger);
+  s_axi_rready);
 
   parameter   PCORE_ID = 0;
   parameter   PCORE_DEVICE_TYPE = 0;
   parameter   PCORE_NUM_OF_TX_LANES = 4;
   parameter   PCORE_NUM_OF_RX_LANES = 4;
-  parameter   PCORE_ST_DATA_WIDTH = 32;
-  parameter   PCORE_ST_TRIGGER_WIDTH = 4;
 
   // receive interface
 
@@ -142,12 +134,6 @@ module axi_jesd_xcvr (
   output  [  1:0]                               s_axi_rresp;       
   input                                         s_axi_rready;      
 
-  // signal tap interface
-
-  output                                        stp_clk;
-  output  [(PCORE_ST_DATA_WIDTH-1):0]           stp_data;
-  output  [(PCORE_ST_TRIGGER_WIDTH-1):0]        stp_trigger;
-                                                             
   // internal signals                                        
 
   wire                                          up_rstn;
@@ -221,9 +207,7 @@ module axi_jesd_xcvr (
 
   sys_xcvr #(
     .PCORE_NUM_OF_TX_LANES (PCORE_NUM_OF_TX_LANES),
-    .PCORE_NUM_OF_RX_LANES (PCORE_NUM_OF_RX_LANES),
-    .PCORE_ST_DATA_WIDTH (PCORE_ST_DATA_WIDTH),
-    .PCORE_ST_TRIGGER_WIDTH (PCORE_ST_TRIGGER_WIDTH))
+    .PCORE_NUM_OF_RX_LANES (PCORE_NUM_OF_RX_LANES))
   i_sys_xcvr (
     .up_clk (up_clk),
     .up_rstn (up_rstn),
@@ -246,10 +230,7 @@ module axi_jesd_xcvr (
     .tx_ip_sync (tx_ip_sync_s),
     .tx_ip_data (tx_ip_data_s),
     .tx_ready (tx_ready_s),
-    .tx_int (),
-    .stp_clk (stp_clk),
-    .stp_data (stp_data),
-    .stp_trigger (stp_trigger));
+    .tx_int ());
 
   // processor
     
diff --git a/library/axi_jesd_xcvr/axi_jesd_xcvr_hw.tcl b/library/axi_jesd_xcvr/axi_jesd_xcvr_hw.tcl
index 1c635593f..a21f4cb2e 100755
--- a/library/axi_jesd_xcvr/axi_jesd_xcvr_hw.tcl
+++ b/library/axi_jesd_xcvr/axi_jesd_xcvr_hw.tcl
@@ -50,20 +50,6 @@ set_parameter_property PCORE_NUM_OF_RX_LANES TYPE INTEGER
 set_parameter_property PCORE_NUM_OF_RX_LANES UNITS None
 set_parameter_property PCORE_NUM_OF_RX_LANES HDL_PARAMETER true
 
-add_parameter PCORE_ST_DATA_WIDTH INTEGER 0
-set_parameter_property PCORE_ST_DATA_WIDTH DEFAULT_VALUE 32
-set_parameter_property PCORE_ST_DATA_WIDTH DISPLAY_NAME PCORE_ST_DATA_WIDTH
-set_parameter_property PCORE_ST_DATA_WIDTH TYPE INTEGER
-set_parameter_property PCORE_ST_DATA_WIDTH UNITS None
-set_parameter_property PCORE_ST_DATA_WIDTH HDL_PARAMETER true
-
-add_parameter PCORE_ST_TRIGGER_WIDTH INTEGER 0
-set_parameter_property PCORE_ST_TRIGGER_WIDTH DEFAULT_VALUE 32
-set_parameter_property PCORE_ST_TRIGGER_WIDTH DISPLAY_NAME PCORE_ST_TRIGGER_WIDTH
-set_parameter_property PCORE_ST_TRIGGER_WIDTH TYPE INTEGER
-set_parameter_property PCORE_ST_TRIGGER_WIDTH UNITS None
-set_parameter_property PCORE_ST_TRIGGER_WIDTH HDL_PARAMETER true
-
 # axi4 slave
 
 add_interface s_axi_clock clock end
@@ -115,14 +101,3 @@ ad_alt_intf signal  tx_ext_sysref_out   output  1
 ad_alt_intf signal  tx_sync             input   1
 ad_alt_intf signal  tx_data             input   PCORE_NUM_OF_TX_LANES*32  data
 
-# signal tap interface
-
-ad_alt_intf clock   stp_clk         output  1
-
-add_interface if_stp conduit source
-add_interface_port if_stp stp_data     acq_data_in     output  PCORE_ST_DATA_WIDTH
-add_interface_port if_stp stp_trigger  acq_trigger_in  output  PCORE_ST_TRIGGER_WIDTH
-set_interface_property if_stp associatedClock if_stp_clk
-
-
-
diff --git a/projects/fmcjesdadc1/a5gt/system_bd.qsys b/projects/fmcjesdadc1/a5gt/system_bd.qsys
index c47ad67e9..ce933302a 100644
--- a/projects/fmcjesdadc1/a5gt/system_bd.qsys
+++ b/projects/fmcjesdadc1/a5gt/system_bd.qsys
@@ -346,14 +346,6 @@
          type = "boolean";
       }
    }
-   element sys_signaltap
-   {
-      datum _sortIndex
-      {
-         value = "22";
-         type = "int";
-      }
-   }
    element sys_spi
    {
       datum _sortIndex
@@ -690,8 +682,6 @@
   <parameter name="PCORE_ID" value="0" />
   <parameter name="PCORE_NUM_OF_RX_LANES" value="4" />
   <parameter name="PCORE_NUM_OF_TX_LANES" value="4" />
-  <parameter name="PCORE_ST_DATA_WIDTH" value="182" />
-  <parameter name="PCORE_ST_TRIGGER_WIDTH" value="2" />
  </module>
  <module name="sys_clk" kind="clock_source" version="15.0" enabled="1">
   <parameter name="clockFrequency" value="100000000" />
@@ -1574,28 +1564,6 @@
   <parameter name="gui_switchover_mode">Automatic Switchover</parameter>
   <parameter name="gui_use_locked" value="true" />
  </module>
- <module
-   name="sys_signaltap"
-   kind="altera_signaltap_ii_logic_analyzer"
-   version="15.0"
-   enabled="1">
-  <parameter name="device_family" value="Arria V" />
-  <parameter name="gui_num_segments" value="2" />
-  <parameter name="gui_ram_type" value="AUTO" />
-  <parameter name="gui_sq" value="Continuous" />
-  <parameter name="gui_trigger_out_enabled" value="false" />
-  <parameter name="gui_use_segmented" value="false" />
-  <parameter name="sld_data_bits" value="182" />
-  <parameter name="sld_enable_advanced_trigger" value="0" />
-  <parameter name="sld_node_crc_bits" value="32" />
-  <parameter name="sld_node_info" value="806383104" />
-  <parameter name="sld_sample_depth" value="128" />
-  <parameter name="sld_storage_qualifier_gap_record" value="0" />
-  <parameter name="sld_trigger_bits" value="2" />
-  <parameter name="sld_trigger_in_enabled" value="0" />
-  <parameter name="sld_trigger_level" value="1" />
-  <parameter name="sld_trigger_level_pipeline" value="1" />
- </module>
  <module name="sys_spi" kind="altera_avalon_spi" version="15.0" enabled="1">
   <parameter name="avalonSpec" value="2.0" />
   <parameter name="clockPhase" value="0" />
@@ -2020,11 +1988,6 @@
    version="15.0"
    start="axi_jesd_xcvr.if_rx_clk"
    end="axi_ad9250_1.if_rx_clk" />
- <connection
-   kind="clock"
-   version="15.0"
-   start="axi_jesd_xcvr.if_stp_clk"
-   end="sys_signaltap.acq_clk" />
  <connection
    kind="conduit"
    version="15.0"
@@ -2278,17 +2241,6 @@
   <parameter name="startPortLSB" value="0" />
   <parameter name="width" value="0" />
  </connection>
- <connection
-   kind="conduit"
-   version="15.0"
-   start="sys_signaltap.tap"
-   end="axi_jesd_xcvr.if_stp">
-  <parameter name="endPort" value="" />
-  <parameter name="endPortLSB" value="0" />
-  <parameter name="startPort" value="" />
-  <parameter name="startPortLSB" value="0" />
-  <parameter name="width" value="0" />
- </connection>
  <connection
    kind="interrupt"
    version="15.0"
diff --git a/projects/fmcjesdadc1/common/sys_xcvr.v b/projects/fmcjesdadc1/common/sys_xcvr.v
index 10432ea4e..3df4ee4ad 100644
--- a/projects/fmcjesdadc1/common/sys_xcvr.v
+++ b/projects/fmcjesdadc1/common/sys_xcvr.v
@@ -69,18 +69,12 @@ module sys_xcvr (
   tx_ip_sync,
   tx_ip_data,
   tx_ready,
-  tx_int,
-
-  stp_clk,
-  stp_data,
-  stp_trigger);
+  tx_int);
 
   // parameters are not used--
 
   parameter   PCORE_NUM_OF_TX_LANES = 4;
   parameter   PCORE_NUM_OF_RX_LANES = 4;
-  parameter   PCORE_ST_DATA_WIDTH = 32;
-  parameter   PCORE_ST_TRIGGER_WIDTH = 4;
 
   // io
 
@@ -111,10 +105,6 @@ module sys_xcvr (
   output  [  3:0]   tx_ready;
   output            tx_int;
 
-  output            stp_clk;
-  output  [181:0]   stp_data;
-  output  [  1:0]   stp_trigger;
-                                                             
   // internal signals
 
   wire    [  3:0]   rx_analogreset;
@@ -135,21 +125,6 @@ module sys_xcvr (
   wire    [ 15:0]   rx_pcs_kchar;
   wire    [127:0]   rx_pcs_data;
 
-  // signal tap
-
-  assign stp_clk = rx_clk;
-
-  assign stp_data[181:181] = rx_sysref;
-  assign stp_data[180:180] = rx_ip_sync;
-  assign stp_data[179:176] = rx_pcs_valid;
-  assign stp_data[175:160] = rx_pcs_disperr;
-  assign stp_data[159:144] = rx_pcs_errdetect;
-  assign stp_data[143:128] = rx_pcs_kchar;
-  assign stp_data[127:  0] = rx_pcs_data;
-
-  assign stp_trigger[1] = rx_sysref;
-  assign stp_trigger[0] = rx_ip_sync;
-
   // instantiations
 
   sys_xcvr_rstcntrl_rx_pll i_rstcntrl_rx_pll (