diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/test_io/__init__.py b/tests/test_io/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/test_io/test_3brain.py b/tests/test_io/test_3brain.py
index 1128a232..84a7d605 100644
--- a/tests/test_io/test_3brain.py
+++ b/tests/test_io/test_3brain.py
@@ -6,7 +6,7 @@
 
 from probeinterface import read_3brain
 
-from probeinterface.testing import validate_probe_dict
+from ..utilities import validate_probe_dict
 
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "3brain"
diff --git a/tests/test_io/test_imro.py b/tests/test_io/test_imro.py
index a579047c..fbb61619 100644
--- a/tests/test_io/test_imro.py
+++ b/tests/test_io/test_imro.py
@@ -5,7 +5,8 @@
 import numpy as np
 
 from probeinterface import read_imro, write_imro
-from probeinterface.testing import validate_probe_dict
+
+from ..utilities import validate_probe_dict
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "imro"
 imro_files = glob.glob(str(data_path / "*.imro"))
diff --git a/tests/test_io/test_maxwell.py b/tests/test_io/test_maxwell.py
index 664b5d60..df5ef088 100644
--- a/tests/test_io/test_maxwell.py
+++ b/tests/test_io/test_maxwell.py
@@ -4,7 +4,8 @@
 import pytest
 
 from probeinterface import read_maxwell
-from probeinterface.testing import validate_probe_dict
+
+from ..utilities import validate_probe_dict
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "maxwell"
 
diff --git a/tests/test_io/test_openephys.py b/tests/test_io/test_openephys.py
index bb90a71f..c6b683f6 100644
--- a/tests/test_io/test_openephys.py
+++ b/tests/test_io/test_openephys.py
@@ -6,7 +6,8 @@
 import pytest
 
 from probeinterface import read_openephys
-from probeinterface.testing import validate_probe_dict
+
+from ..utilities import validate_probe_dict
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "openephys"
 
diff --git a/tests/test_io/test_spikegadgets.py b/tests/test_io/test_spikegadgets.py
index 6cff88d6..f0d0a90a 100644
--- a/tests/test_io/test_spikegadgets.py
+++ b/tests/test_io/test_spikegadgets.py
@@ -3,7 +3,8 @@
 
 from probeinterface import read_spikegadgets
 from probeinterface.io import parse_spikegadgets_header
-from probeinterface.testing import validate_probe_dict
+
+from ..utilities import validate_probe_dict
 
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "spikegadgets"
diff --git a/tests/test_io/test_spikeglx.py b/tests/test_io/test_spikeglx.py
index 6680ab8f..48df60f9 100644
--- a/tests/test_io/test_spikeglx.py
+++ b/tests/test_io/test_spikeglx.py
@@ -10,7 +10,8 @@
     get_saved_channel_indices_from_spikeglx_meta,
     parse_spikeglx_snsGeomMap,
 )
-from probeinterface.testing import validate_probe_dict
+
+from ..utilities import validate_probe_dict
 
 data_path = Path(__file__).absolute().parent.parent / "data" / "spikeglx"
 meta_files = glob.glob(str(data_path / "*.meta"))
diff --git a/src/probeinterface/testing.py b/tests/utilities.py
similarity index 77%
rename from src/probeinterface/testing.py
rename to tests/utilities.py
index 1b3131cc..d1c69401 100644
--- a/src/probeinterface/testing.py
+++ b/tests/utilities.py
@@ -4,7 +4,7 @@
 from probeinterface import __version__ as version
 import jsonschema
 
-json_schema_file = Path(__file__).absolute().parent.parent.parent / "resources" / "probe.json.schema"
+json_schema_file = Path(__file__).absolute().parent.parent / "resources" / "probe.json.schema"
 schema = json.load(open(json_schema_file, "r"))