diff --git a/doc/nativeJtag/usb_connect.cfg b/doc/nativeJtag/usb_connect.cfg
index 09b75df..e9da2fc 100644
--- a/doc/nativeJtag/usb_connect.cfg
+++ b/doc/nativeJtag/usb_connect.cfg
@@ -1,32 +1,14 @@
-if [info exists env(SPINAL_SIM)] {
-    set SPINAL_SIM $::env(SPINAL_SIM)
-} else {
-    set SPINAL_SIM no
-}
+interface ftdi
+ftdi_device_desc "Digilent USB Device"
+ftdi_vid_pid 0x0403 0x6010
+ftdi_channel 0
+ftdi_layout_init 0x00e8 0x60eb
+ftdi_tdo_sample_edge falling
 
+reset_config none
+adapter_khz 50000
 
+source [find cpld/xilinx-xc7.cfg]
+source [find cpld/jtagspi.cfg]
 
-if {$SPINAL_SIM == "yes"} {
-    interface jtag_tcp
-    set _CHIPNAME fpga_spinal
-    set TAP_NAME $_CHIPNAME.bridge
-    set _CPUTAPID 0x10001fff
-    jtag newtap $_CHIPNAME bridge -expected-id $_CPUTAPID -irlen 4 -ircapture 0x1 -irmask 0xF
-    reset_config none
-    adapter_khz 50000
-} else {
-    interface ftdi
-    ftdi_device_desc "Digilent USB Device"
-    ftdi_vid_pid 0x0403 0x6010
-    ftdi_channel 0
-    ftdi_layout_init 0x00e8 0x60eb
-    ftdi_tdo_sample_edge falling
-
-    reset_config none
-    adapter_khz 50000
-
-    source [find cpld/xilinx-xc7.cfg]
-    source [find cpld/jtagspi.cfg]
-
-    set TAP_NAME xc7.tap
-}
+set TAP_NAME xc7.tap