diff --git a/schainpy/model/io/jroIO_HDF5.py b/schainpy/model/io/jroIO_HDF5.py
index 4952d4d..a15bda0 100644
--- a/schainpy/model/io/jroIO_HDF5.py
+++ b/schainpy/model/io/jroIO_HDF5.py
@@ -3,7 +3,6 @@ import time
 import os
 import h5py
 import re
-import tables
 
 from schainpy.model.data.jrodata import *
 from schainpy.model.proc.jroproc_base import ProcessingUnit, Operation