diff --git a/pipeline/prepareCatalogs.py b/pipeline/prepareCatalogs.py
index c2bb424..448a17d 100755
--- a/pipeline/prepareCatalogs.py
+++ b/pipeline/prepareCatalogs.py
@@ -7,7 +7,6 @@
 import numpy as np
 import os
 import sys
-from Scientific.IO.NetCDF import NetCDFFile
 import void_python_tools as vp
 import argparse
 
diff --git a/pipeline/prepareGadgetCatalog.py b/pipeline/prepareGadgetCatalog.py
index 2fc83f3..41f3b22 100755
--- a/pipeline/prepareGadgetCatalog.py
+++ b/pipeline/prepareGadgetCatalog.py
@@ -5,7 +5,6 @@
 import numpy as np
 import os
 import sys
-from Scientific.IO.NetCDF import NetCDFFile
 import void_python_tools as vp
 import argparse