diff --git a/django_postgresql_dag/models.py b/django_postgresql_dag/models.py
index 67a6d2e..7822df5 100644
--- a/django_postgresql_dag/models.py
+++ b/django_postgresql_dag/models.py
@@ -13,7 +13,6 @@
 
 from .exceptions import NodeNotReachableException
 from .transformations import _ordered_filter
-from .query_strings import *
 from .query_builders import (
     AncestorQuery,
     DescendantQuery,
diff --git a/django_postgresql_dag/query_strings.py b/django_postgresql_dag/query_strings.py
deleted file mode 100644
index 2b21c8c..0000000
--- a/django_postgresql_dag/query_strings.py
+++ /dev/null
@@ -1,23 +0,0 @@
-
-# DISALLOWED_ANCESTORS_NODES_CLAUSE_1 = """AND second.child_pk <> ALL(%(disallowed_ancestors_node_pks)s)"""  # Used for ancestors and upward path
-# DISALLOWED_ANCESTORS_NODES_CLAUSE_2 = ("""AND {relationship_table}.child_pk <> ALL(%(disallowed_ancestors_node_pks)s)""")
-
-# DISALLOWED_DESCENDANTS_NODES_CLAUSE_1 = """AND second.parent_pk <> ALL(%(disallowed_descendants_node_pks)s)"""  # Used for descendants and downward path
-# DISALLOWED_DESCENDANTS_NODES_CLAUSE_2 = """AND {relationship_table}.parent_pk <> ALL(%(disallowed_descendants_node_pks)s)"""
-
-
-
-CLUSTER_QUERY = """
-WITH RECURSIVE traverse(path, last_parent, last_child) AS (
-    SELECT ARRAY[id], id, id
-    FROM {node_table} WHERE id = %(starting_node)s -- starting node
-UNION ALL
-    SELECT tv.path || edge.child_id || edge.parent_id, edge.profile1_id, edge.child_id
-    FROM traverse tv
-    JOIN {relationship_table} edge
-    ON (edge.parent_id = tv.last_child AND NOT path @> array[edge.child_id]) 
-       OR (edge.child_id = tv.last_parent AND NOT path @> array[edge.parent_id])
-)
-SELECT distinct unnest(path) FROM traverse;
-"""
-