diff --git a/aosstower/level_b1/nc.py b/aosstower/level_b1/nc.py
index 3218f5dd6a58f38314766411a12cf57e5e7cbbb9..fe5d6232ae7a2f17c9578dd4059e5d7cf68eb5af 100644
--- a/aosstower/level_b1/nc.py
+++ b/aosstower/level_b1/nc.py
@@ -449,7 +449,6 @@ each input file is mapped to the corresponding output file.
     success = False
     for in_files, out_fn in zip(args.input_files, args.output_files):
         try:
-            print(in_files, out_fn)
             create_giant_netcdf(in_files, out_fn, args.zlib,
                                 args.chunk_size, args.start_time,
                                 args.end_time, args.interval,