diff --git a/mmtbx/programs/xtrapol8.py b/mmtbx/programs/xtrapol8.py
index 3c7e2788b3..f0532cc7e0 100644
--- a/mmtbx/programs/xtrapol8.py
+++ b/mmtbx/programs/xtrapol8.py
@@ -2,7 +2,6 @@
 import sys
 from phenix.program_template import ProgramTemplate
 from libtbx.utils import Sorry
-from iotbx.data_manager import DataManager
 import mmtbx.maps.xtrapol8 as xtrapol8
 
 master_phil_str = '''