diff --git a/srai/neighbourhoods/adjacency_neighbourhood.py b/srai/neighbourhoods/adjacency_neighbourhood.py
index 54c3fd8d..778e7a37 100644
--- a/srai/neighbourhoods/adjacency_neighbourhood.py
+++ b/srai/neighbourhoods/adjacency_neighbourhood.py
@@ -10,8 +10,6 @@
 
 from srai.neighbourhoods import Neighbourhood
 
-# from srai.neighbourhoods._base import IndexType
-
 
 class AdjacencyNeighbourhood(Neighbourhood[Hashable]):
     """