diff --git a/projects/fmcomms2/kc705/system_top.v b/projects/fmcomms2/kc705/system_top.v
index 566ef222b..ecfd37d54 100644
--- a/projects/fmcomms2/kc705/system_top.v
+++ b/projects/fmcomms2/kc705/system_top.v
@@ -211,7 +211,6 @@ module system_top (
   wire    [63:0]  gpio_i;
   wire    [63:0]  gpio_o;
   wire    [63:0]  gpio_t;
-  wire    [31:0]  mb_intrs;
 
   // default logic
 
@@ -266,12 +265,12 @@ module system_top (
     .gpio1_o (gpio_o[63:32]),
     .gpio1_t (gpio_t[63:32]),
     .gpio1_i (gpio_i[63:32]),
-    .mb_intr_02 (mb_intrs[2]),
-    .mb_intr_03 (mb_intrs[3]),
-    .mb_intr_07 (mb_intrs[7]),
-    .mb_intr_08 (mb_intrs[8]),
-    .mb_intr_14 (mb_intrs[14]),
-    .mb_intr_15 (mb_intrs[15]),
+    .mb_intr_02 (1'b0),
+    .mb_intr_03 (1'b0),
+    .mb_intr_07 (1'b0),
+    .mb_intr_08 (1'b0),
+    .mb_intr_14 (1'b0),
+    .mb_intr_15 (1'b0),
     .mdio_mdc (mdio_mdc),
     .mdio_mdio_io (mdio_mdio_io),
     .mii_col (mii_col),
diff --git a/projects/fmcomms2/zc702/system_top.v b/projects/fmcomms2/zc702/system_top.v
index bfc0ac017..9926a830a 100644
--- a/projects/fmcomms2/zc702/system_top.v
+++ b/projects/fmcomms2/zc702/system_top.v
@@ -175,7 +175,6 @@ module system_top (
   wire            spi_udc_csn_rx;
   wire            spi_udc_sclk;
   wire            spi_udc_data;
-  wire    [15:0]  ps_intrs;
 
   // instantiations
 
@@ -232,22 +231,18 @@ module system_top (
     .hdmi_vsync (hdmi_vsync),
     .iic_main_scl_io (iic_scl),
     .iic_main_sda_io (iic_sda),
-    .ps_intr_00 (ps_intrs[0]),
-    .ps_intr_01 (ps_intrs[1]),
-    .ps_intr_10 (ps_intrs[10]),
-    .ps_intr_11 (ps_intrs[11]),
-    .ps_intr_12 (ps_intrs[12]),
-    .ps_intr_13 (ps_intrs[13]),
-    .ps_intr_02 (ps_intrs[2]),
-    .ps_intr_03 (ps_intrs[3]),
-    .ps_intr_04 (ps_intrs[4]),
-    .ps_intr_05 (ps_intrs[5]),
-    .ps_intr_06 (ps_intrs[6]),
-    .ps_intr_07 (ps_intrs[7]),
-    .ps_intr_08 (ps_intrs[8]),
-    .ps_intr_09 (ps_intrs[9]),
-    .ad9361_dac_dma_irq (ps_intrs[12]),
-    .ad9361_adc_dma_irq (ps_intrs[13]),
+    .ps_intr_00 (1'b0),
+    .ps_intr_01 (1'b0),
+    .ps_intr_10 (1'b0),
+    .ps_intr_11 (1'b0),
+    .ps_intr_02 (1'b0),
+    .ps_intr_03 (1'b0),
+    .ps_intr_04 (1'b0),
+    .ps_intr_05 (1'b0),
+    .ps_intr_06 (1'b0),
+    .ps_intr_07 (1'b0),
+    .ps_intr_08 (1'b0),
+    .ps_intr_09 (1'b0),
     .rx_clk_in_n (rx_clk_in_n),
     .rx_clk_in_p (rx_clk_in_p),
     .rx_data_in_n (rx_data_in_n),
diff --git a/projects/fmcomms2/zc706/system_top.v b/projects/fmcomms2/zc706/system_top.v
index 6d9e84e90..e14eba325 100644
--- a/projects/fmcomms2/zc706/system_top.v
+++ b/projects/fmcomms2/zc706/system_top.v
@@ -203,8 +203,6 @@ module system_top (
     .dio (gpio_bd));
 
   system_wrapper i_system_wrapper (
-    .ad9361_adc_dma_irq (ps_intrs[13]),
-    .ad9361_dac_dma_irq (ps_intrs[12]),
     .ddr_addr (ddr_addr),
     .ddr_ba (ddr_ba),
     .ddr_cas_n (ddr_cas_n),
@@ -248,8 +246,6 @@ module system_top (
     .ps_intr_09 (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]),
     .rx_clk_in_n (rx_clk_in_n),
     .rx_clk_in_p (rx_clk_in_p),
     .rx_data_in_n (rx_data_in_n),
diff --git a/projects/fmcomms2/zed/system_top.v b/projects/fmcomms2/zed/system_top.v
index 678d7126f..b0cda054b 100644
--- a/projects/fmcomms2/zed/system_top.v
+++ b/projects/fmcomms2/zed/system_top.v
@@ -206,7 +206,6 @@ module system_top (
   wire    [ 1:0]  iic_mux_sda_i_s;
   wire    [ 1:0]  iic_mux_sda_o_s;
   wire            iic_mux_sda_t_s;
-  wire    [15:0]  ps_intrs;
 
   // instantiations
 
@@ -278,17 +277,17 @@ module system_top (
     .iic_mux_sda_i (iic_mux_sda_i_s),
     .iic_mux_sda_o (iic_mux_sda_o_s),
     .iic_mux_sda_t (iic_mux_sda_t_s),
-    .ps_intr_00 (ps_intrs[0]),
-    .ps_intr_01 (ps_intrs[1]),
-    .ps_intr_02 (ps_intrs[2]),
-    .ps_intr_03 (ps_intrs[3]),
-    .ps_intr_04 (ps_intrs[4]),
-    .ps_intr_05 (ps_intrs[5]),
-    .ps_intr_06 (ps_intrs[6]),
-    .ps_intr_07 (ps_intrs[7]),
-    .ps_intr_08 (ps_intrs[8]),
-    .ps_intr_09 (ps_intrs[9]),
-    .ps_intr_10 (ps_intrs[10]),
+    .ps_intr_00 (1'b0),
+    .ps_intr_01 (1'b0),
+    .ps_intr_02 (1'b0),
+    .ps_intr_03 (1'b0),
+    .ps_intr_04 (1'b0),
+    .ps_intr_05 (1'b0),
+    .ps_intr_06 (1'b0),
+    .ps_intr_07 (1'b0),
+    .ps_intr_08 (1'b0),
+    .ps_intr_09 (1'b0),
+    .ps_intr_10 (1'b0),
     .otg_vbusoc (otg_vbusoc),
     .rx_clk_in_n (rx_clk_in_n),
     .rx_clk_in_p (rx_clk_in_p),