diff --git a/releases/v2.0.1/hacker-top.dfu b/releases/v2.0.1/hacker-top.dfu
deleted file mode 100644
index 02ccc3b..0000000
Binary files a/releases/v2.0.1/hacker-top.dfu and /dev/null differ
diff --git a/releases/v2.0.1/pvt-top.dfu b/releases/v2.0.1/pvt-top.dfu
deleted file mode 100644
index 85d0736..0000000
Binary files a/releases/v2.0.1/pvt-top.dfu and /dev/null differ
diff --git a/sw/src/usb-eptri.c b/sw/src/usb-eptri.c
index 03d9aec..6712565 100644
--- a/sw/src/usb-eptri.c
+++ b/sw/src/usb-eptri.c
@@ -303,9 +303,6 @@ void usb_err(uint8_t ep) {
 
 int usb_recv(void *buffer, int buffer_len) {
     // Set the OUT response to ACK, since we are in a position to receive data now.
-    if (out_have) {
-        usb_ack(0);
-    }
     while (1) {
         if (out_have) {
             if (buffer_len > out_buffer_length)