diff --git a/src/documents/filters.py b/src/documents/filters.py
index d52889666..2b7c9cc9f 100644
--- a/src/documents/filters.py
+++ b/src/documents/filters.py
@@ -1,4 +1,4 @@
-from django_filters.rest_framework import CharFilter, FilterSet, BooleanFilter, ModelChoiceFilter
+from django_filters.rest_framework import BooleanFilter, FilterSet
 
 from .models import Correspondent, Document, Tag