diff --git a/nanosoc_tech b/nanosoc_tech
index d9c31606eb81b404185c2ca5963a7d7f6a0d42ac..4343bd1b3321bd3c5f60f33d072ff0b78008da08 160000
--- a/nanosoc_tech
+++ b/nanosoc_tech
@@ -1 +1 @@
-Subproject commit d9c31606eb81b404185c2ca5963a7d7f6a0d42ac
+Subproject commit 4343bd1b3321bd3c5f60f33d072ff0b78008da08
diff --git a/system/src/accelerator_subsystem.v b/system/src/accelerator_subsystem.v
index f3e97d8743afef1b113b4a25be819d4c0ddd5235..c1aaa20acda93353034d61c7e9380b67146605e7 100644
--- a/system/src/accelerator_subsystem.v
+++ b/system/src/accelerator_subsystem.v
@@ -91,6 +91,10 @@ module accelerator_subsystem #(
   // Instantiate your accelerator/wrapper here
   //-------------------------------------------
 
+// Default IRQ and DMA REQ
+assign EXP_IRQ = 2'b00;
+assign EXP_DRQ = 2'b00;
+
 // Default DMA350 stream loopback
 `ifdef DMAC_DMA350
 `ifdef DMA350_STREAM_2