diff --git a/docs/gnpy-api-core.rst b/docs/gnpy-api-core.rst
index 931bdbc5..dcf5baf8 100644
--- a/docs/gnpy-api-core.rst
+++ b/docs/gnpy-api-core.rst
@@ -10,5 +10,4 @@
 .. automodule:: gnpy.core.network
 .. automodule:: gnpy.core.parameters
 .. automodule:: gnpy.core.science_utils
-.. automodule:: gnpy.core.service_sheet
 .. automodule:: gnpy.core.utils
diff --git a/docs/gnpy-api-tools.rst b/docs/gnpy-api-tools.rst
index 0839000a..ef3beab4 100644
--- a/docs/gnpy-api-tools.rst
+++ b/docs/gnpy-api-tools.rst
@@ -3,3 +3,4 @@
 
 .. automodule:: gnpy.tools
 .. automodule:: gnpy.tools.convert
+.. automodule:: gnpy.tools.service_sheet
diff --git a/examples/path_requests_run.py b/examples/path_requests_run.py
index 09363eea..58a70eeb 100755
--- a/examples/path_requests_run.py
+++ b/examples/path_requests_run.py
@@ -20,7 +20,6 @@ from logging import getLogger, basicConfig, CRITICAL, DEBUG, INFO
 from json import dumps, loads
 from numpy import mean
 from gnpy.core import ansi_escapes
-from gnpy.core.service_sheet import convert_service_sheet, Request_element, Element
 from gnpy.core.utils import automatic_nch, automatic_fmax, load_json
 from gnpy.core.network import load_network, build_network, save_network
 from gnpy.core.equipment import load_equipment, trx_mode_params
@@ -34,6 +33,7 @@ from gnpy.topology.request import (PathRequest, ResultElement,
                                    BLOCKING_NOPATH, BLOCKING_NOMODE,
                                    find_reversed_path, correct_json_route_list)
 from gnpy.topology.spectrum_assignment import build_oms_list, pth_assign_spectrum
+from gnpy.tools.service_sheet import convert_service_sheet, Request_element, Element
 from copy import copy, deepcopy
 from textwrap import dedent
 from math import ceil
diff --git a/gnpy/core/service_sheet.py b/gnpy/tools/service_sheet.py
similarity index 99%
rename from gnpy/core/service_sheet.py
rename to gnpy/tools/service_sheet.py
index 379f79ba..1a9c07b0 100644
--- a/gnpy/core/service_sheet.py
+++ b/gnpy/tools/service_sheet.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 """
-gnpy.core.service_sheet
+gnpy.tools.service_sheet
 ========================
 
 XLS parser that can be called to create a JSON request file in accordance with
diff --git a/gnpy/topology/request.py b/gnpy/topology/request.py
index b584efa0..cfa5a814 100644
--- a/gnpy/topology/request.py
+++ b/gnpy/topology/request.py
@@ -20,12 +20,12 @@ from logging import getLogger
 from networkx import (dijkstra_path, NetworkXNoPath, all_simple_paths)
 from networkx.utils import pairwise
 from numpy import mean
-from gnpy.core.service_sheet import Element
 from gnpy.core.elements import Transceiver, Roadm
 from gnpy.core.utils import lin2db
 from gnpy.core.info import create_input_spectral_information
 from gnpy.core.exceptions import ServiceError, DisjunctionError
 import gnpy.core.ansi_escapes as ansi_escapes
+from gnpy.tools.service_sheet import Element
 from copy import deepcopy
 from csv import writer
 from math import ceil
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 594c8196..cb309bc0 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -24,7 +24,6 @@ from tests.compare import compare_networks, compare_services
 from copy import deepcopy
 from gnpy.core.utils import automatic_nch, lin2db
 from gnpy.core.network import save_network, build_network
-from gnpy.core.service_sheet import convert_service_sheet, correct_xls_route_list
 from gnpy.core.equipment import load_equipment
 from gnpy.core.network import load_network
 from gnpy.core.exceptions import ServiceError
@@ -32,6 +31,7 @@ from gnpy.topology.request import (jsontocsv, requests_aggregation, compute_path
                                    ResultElement, PathRequest)
 from gnpy.topology.spectrum_assignment import build_oms_list, pth_assign_spectrum
 from gnpy.tools.convert import convert_file
+from gnpy.tools.service_sheet import convert_service_sheet, correct_xls_route_list
 from examples.path_requests_run import (requests_from_json, disjunctions_from_json,
                                         correct_disjn, compute_path_with_disjunction)