diff --git a/core/filters.py b/core/filters.py
index 425a84ae..d350c595 100644
--- a/core/filters.py
+++ b/core/filters.py
@@ -323,8 +323,7 @@ class CategoryFilter(FilterSet):
     parent_uuid = CharFilter(method="filter_parent_uuid", label=_("Parent"))
     slug = CharFilter(field_name="slug", lookup_expr="exact", label=_("Slug"))
     tags = CaseInsensitiveListFilter(field_name="tags__tag_name", label=_("Tags"))
-    children_present = BooleanFilter(method="filter_children_presence", field_name="children_present",
-                                     label=_("children present"))
+    level = NumberFilter(field_name="level", lookup_expr="exact", label=_("Level"))
 
     order_by = OrderingFilter(
         fields=(
@@ -338,12 +337,6 @@ class CategoryFilter(FilterSet):
         model = Category
         fields = ["uuid", "name", "parent_uuid", "slug", "tags"]
 
-    def filter_children_presence(self, queryset, _name, value):
-        if value:
-            return queryset.filter(children__isnull=False)
-        else:
-            return queryset.filter(children__isnull=True)
-
     def filter_parent_uuid(self, queryset, _name, value):
         if value in ("", "null", "None"):
             return queryset.filter(parent=None)