diff --git a/src/neps/optimizers/multi_fidelity/mf_bo.py b/src/neps/optimizers/multi_fidelity/mf_bo.py
index 01c2e4ba..4c845e93 100755
--- a/src/neps/optimizers/multi_fidelity/mf_bo.py
+++ b/src/neps/optimizers/multi_fidelity/mf_bo.py
@@ -13,8 +13,6 @@
 from ..multi_fidelity_prior.utils import calc_total_resources_spent, update_fidelity
 from ..utils import map_real_hyperparameters_from_tabular_ids
 
-from pfns4hpo.bar_distribution import BarDistribution
-
 
 class MFBOBase:
     """ Designed to work with model-based search on SH-based multi-fidelity algorithms.