diff --git a/conf/init.gs201.usb.rc b/conf/init.gs201.usb.rc
index 87245709..d8f89965 100644
--- a/conf/init.gs201.usb.rc
+++ b/conf/init.gs201.usb.rc
@@ -165,12 +165,6 @@ on property:vendor.usb.config=*
 on property:persist.vendor.usb.usbradio.config=*
    start usbd
 
-on property:vendor.usb.dwc3_irq=medium
-   exec /vendor/bin/hw/set_usb_irq.sh medium
-
-on property:vendor.usb.dwc3_irq=big
-   exec /vendor/bin/hw/set_usb_irq.sh big
-
 on charger
     mkdir /config/usb_gadget/g1
     mkdir /config/usb_gadget/g1/strings/0x409
diff --git a/device.mk b/device.mk
index 6ba0a8e4..629f8407 100644
--- a/device.mk
+++ b/device.mk
@@ -269,7 +269,6 @@ PRODUCT_COPY_FILES += \
 # Shell scripts
 PRODUCT_COPY_FILES += \
 	device/google/gs201/init.insmod.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.insmod.sh \
-	device/google/$(TARGET_BOARD_PLATFORM)/set_usb_irq.sh:$(TARGET_COPY_OUT_VENDOR)/bin/hw/set_usb_irq.sh
 
 # insmod files
 PRODUCT_COPY_FILES += \
diff --git a/set_usb_irq.sh b/set_usb_irq.sh
deleted file mode 100644
index 29d37812..00000000
--- a/set_usb_irq.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/vendor/bin/sh
-
-# Switch into /proc/irq/$IRQ for the dwc3 usb controller
-cd /proc/irq/*/dwc3/.. || exit 7
-
-# Move the USB Controller (DWC3) interrupt as requested
-# Modem and DIT are on 0/2/5 depending on throughput, so avoid those.
-# 0-3 small, 4-5 medium, 6-7 big
-case "$1" in
-  medium) core=4;;
-  big) core=6;;
-  *) core=0;;
-esac
-
-# This can sometimes fail due to smp_affinity_list no longer existing...
-echo "${core}" > smp_affinity_list