diff --git a/src/synthesis_workflow/tasks/validation.py b/src/synthesis_workflow/tasks/validation.py
index c8bc812..80fe859 100644
--- a/src/synthesis_workflow/tasks/validation.py
+++ b/src/synthesis_workflow/tasks/validation.py
@@ -9,7 +9,6 @@
 import pandas as pd
 import pkg_resources
 import yaml
-from bluepy import Circuit
 from luigi.parameter import OptionalNumericalParameter
 from luigi.parameter import PathParameter
 from luigi_tools.parameter import BoolParameter