diff --git a/projects/arradio/c5soc/system_project.tcl b/projects/arradio/c5soc/system_project.tcl
index cf24ba136..eda7fe744 100644
--- a/projects/arradio/c5soc/system_project.tcl
+++ b/projects/arradio/c5soc/system_project.tcl
@@ -112,7 +112,6 @@ set_instance_assignment -name IO_STANDARD "2.5 V" -to txnrx
 set_instance_assignment -name IO_MAXIMUM_TOGGLE_RATE "40 MHz" -to enable
 set_instance_assignment -name IO_MAXIMUM_TOGGLE_RATE "40 MHz" -to txnrx
 
-set_location_assignment PIN_AA26  -to ad9361_clk_out        ; ##  HSMC_CLKIN_p1   P201.96
 set_location_assignment PIN_C4    -to ad9361_resetb         ; ##  HSMC_TX_n3      P201.67
 set_location_assignment PIN_C5    -to ad9361_en_agc         ; ##  HSMC_TX_p4      P201.71
 set_location_assignment PIN_D5    -to ad9361_sync           ; ##  HSMC_TX_n4      P201.73
diff --git a/projects/arradio/c5soc/system_top.v b/projects/arradio/c5soc/system_top.v
index 307f6783d..c67580527 100644
--- a/projects/arradio/c5soc/system_top.v
+++ b/projects/arradio/c5soc/system_top.v
@@ -134,7 +134,6 @@ module system_top (
 
   output  [  3:0]   gpio_ctl,
   input   [  7:0]   gpio_status,
-  input             ad9361_clk_out,
   output            ad9361_resetb,
   output            ad9361_en_agc,
   output            ad9361_sync,