diff --git a/lib/cflib/crtp/usbdriver.py b/lib/cflib/crtp/usbdriver.py
index c1f6e471..e975dd90 100644
--- a/lib/cflib/crtp/usbdriver.py
+++ b/lib/cflib/crtp/usbdriver.py
@@ -99,8 +99,6 @@ def connect(self, uri, link_quality_callback, link_error_callback):
             self.cfusb = CfUsb(devid=int(uri_data.group(1)))
             if self.cfusb.dev:
                 self.cfusb.set_crtp_to_usb(True)
-                # Wait for the blocking queues in the firmware to time out
-                time.sleep(1)
             else:
                 self.cfusb = None
                 raise Exception("Could not open {}".format(self.uri))