diff --git a/n3fit/src/n3fit/tests/test_evolven3fit.py b/n3fit/src/n3fit/tests/test_evolven3fit.py
index aeee049ee5..820d867891 100644
--- a/n3fit/src/n3fit/tests/test_evolven3fit.py
+++ b/n3fit/src/n3fit/tests/test_evolven3fit.py
@@ -12,7 +12,6 @@
 from reportengine.compat import yaml
 from validphys.api import API
 from validphys.pdfbases import PIDS_DICT
-from validphys.core import TheoryIDSpec
 
 REGRESSION_FOLDER = pathlib.Path(__file__).with_name("regressions")
 log = logging.getLogger(__name__)