diff --git a/modules/deeplearning/unet_l1b_l2.py b/modules/deeplearning/unet_l1b_l2.py
index e8262453d9de0adfcfd27470367511abe8b8772a..1513f35a381de7318f2be15a58196ead95c38f07 100644
--- a/modules/deeplearning/unet_l1b_l2.py
+++ b/modules/deeplearning/unet_l1b_l2.py
@@ -186,8 +186,6 @@ class UNET:
         # self.inputs.append(tf.keras.Input(shape=(None, None, 5)))
         self.inputs.append(tf.keras.Input(shape=(None, None, 6)))
 
-        self.flight_level = 0
-
         self.DISK_CACHE = False
 
         # if datapath is not None: