diff --git a/proto9x/calibrate.py b/proto9x/calibrate.py
index 7177500..918fa5c 100644
--- a/proto9x/calibrate.py
+++ b/proto9x/calibrate.py
@@ -75,7 +75,6 @@ def calibrate(calib_data_path='calib-data.bin'):
 
         rsp=tls.cmd(calibrate_prg)
         assert_status(rsp)
-        print(rsp.hex())
         # ^ TODO check what the rest of the rsp means
 
         calib_data=usb.read_82()