diff --git a/projects/usdrx1/common/usdrx1_bd.tcl b/projects/usdrx1/common/usdrx1_bd.tcl
index 88b0de329..7c6d7a560 100644
--- a/projects/usdrx1/common/usdrx1_bd.tcl
+++ b/projects/usdrx1/common/usdrx1_bd.tcl
@@ -45,10 +45,6 @@ set adc_data          [create_bd_port -dir I -from 511 -to 0 adc_data]
 set adc_wr_en         [create_bd_port -dir I adc_wr_en]
 set adc_dovf          [create_bd_port -dir O adc_dovf]
 
-# interrupts
-set usdrx1_dma_irq    [create_bd_port -dir O usdrx1_dma_irq]
-set usdrx1_spi_irq    [create_bd_port -dir O usdrx1_spi_irq]
-
 # adc peripherals
 
 set axi_ad9671_core_0 [create_bd_cell -type ip -vlnv analog.com:user:axi_ad9671:1.0 axi_ad9671_core_0]
@@ -136,7 +132,6 @@ connect_bd_net -net axi_spi_1_sdo_o [get_bd_ports spi_sdo_o]  [get_bd_pins axi_u
 connect_bd_net -net axi_spi_1_sdi_i [get_bd_ports spi_sdi_i]  [get_bd_pins axi_usdrx1_spi/io1_i]
 
 connect_bd_net -net sys_100m_clk [get_bd_pins axi_usdrx1_spi/ext_spi_clk]
-connect_bd_net -net axi_spi_1_irq [get_bd_pins axi_usdrx1_spi/ip2intc_irpt] [get_bd_ports usdrx1_spi_irq]
 
 # connections (gt)
 
@@ -197,7 +192,6 @@ connect_bd_net -net axi_ad9671_core_adc_dovf_3      [get_bd_pins axi_ad9671_core
 connect_bd_net -net axi_ad9671_dma_wr_en            [get_bd_pins axi_usdrx1_dma/fifo_wr_en]         [get_bd_ports adc_wr_en]
 connect_bd_net -net axi_ad9671_dma_adc_data         [get_bd_pins axi_usdrx1_dma/fifo_wr_din]        [get_bd_ports adc_data]
 connect_bd_net -net axi_ad9671_dma_adc_dovf         [get_bd_pins axi_usdrx1_dma/fifo_wr_overflow]   [get_bd_ports adc_dovf]
-connect_bd_net -net axi_usdrx1_dma_irq              [get_bd_pins axi_usdrx1_dma/irq]                [get_bd_ports usdrx1_dma_irq]
 connect_bd_net -net axi_ad9671_adc_raddr            [get_bd_pins axi_ad9671_core_0/adc_raddr_out]
 connect_bd_net -net axi_ad9671_adc_raddr            [get_bd_pins axi_ad9671_core_1/adc_raddr_in]
 connect_bd_net -net axi_ad9671_adc_raddr            [get_bd_pins axi_ad9671_core_2/adc_raddr_in]
@@ -207,6 +201,13 @@ connect_bd_net -net axi_ad9671_adc_sync             [get_bd_pins axi_ad9671_core
 connect_bd_net -net axi_ad9671_adc_sync             [get_bd_pins axi_ad9671_core_2/adc_sync_in]
 connect_bd_net -net axi_ad9671_adc_sync             [get_bd_pins axi_ad9671_core_3/adc_sync_in]
 
+#interrupts
+
+delete_bd_objs [get_bd_nets ps_intr_12_s] [get_bd_ports ps_intr_12]
+delete_bd_objs [get_bd_nets ps_intr_13_s] [get_bd_ports ps_intr_13]
+connect_bd_net -net axi_spi_1_irq         [get_bd_pins axi_usdrx1_spi/ip2intc_irpt] [get_bd_pins sys_concat_intc/In12]
+connect_bd_net -net axi_usdrx1_dma_irq    [get_bd_pins axi_usdrx1_dma/irq]          [get_bd_pins sys_concat_intc/In13]
+
 # interconnect (cpu)
 
 connect_bd_intf_net -intf_net axi_cpu_interconnect_m07_axi [get_bd_intf_pins axi_cpu_interconnect/M07_AXI] [get_bd_intf_pins axi_usdrx1_gt/s_axi]
diff --git a/projects/usdrx1/zc706/system_top.v b/projects/usdrx1/zc706/system_top.v
index 662b2bfae..3c3c602f8 100644
--- a/projects/usdrx1/zc706/system_top.v
+++ b/projects/usdrx1/zc706/system_top.v
@@ -432,10 +432,6 @@ module system_top (
     .ps_intr_9 (ps_intrs[9]),
     .ps_intr_10 (ps_intrs[10]),
     .ps_intr_11 (ps_intrs[11]),
-    .ps_intr_12 (ps_intrs[12]),
-    .ps_intr_13 (ps_intrs[13]),
-    .usdrx1_dma_irq (ps_intrs[13]),
-    .usdrx1_spi_irq (ps_intrs[12]),
     .rx_data_n (rx_data_n),
     .rx_data_p (rx_data_p),
     .rx_ref_clk (rx_ref_clk),