diff --git a/MANIFEST.in b/MANIFEST.in
index a4ceb84..d00e802 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,6 +4,7 @@ include README.rst
 include requirements.txt
 include doc/examples/*
 
+recursive-include src/diffpy/labpdfproc/data *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
 
diff --git a/pyproject.toml b/pyproject.toml
index bb114ae..841e997 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,6 +42,9 @@ template = "{tag}"
 dev_template = "{tag}"
 dirty_template = "{tag}"
 
+[project.scripts]
+labpdfproc = "diffpy.labpdfproc.labpdfprocapp:main"
+
 [tool.setuptools.packages.find]
 where = ["src"]  # list of folders that contain the packages (["."] by default)
 include = ["*"]  # package names should match these glob patterns (["*"] by default)
diff --git a/src/diffpy/labpdfproc/tests/__init__.py b/src/diffpy/labpdfproc/tests/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/diffpy/labpdfproc/tests/debug.py b/src/diffpy/labpdfproc/tests/debug.py
deleted file mode 100644
index 51881b9..0000000
--- a/src/diffpy/labpdfproc/tests/debug.py
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env python
-##############################################################################
-#
-# (c) 2024 The Trustees of Columbia University in the City of New York.
-# All rights reserved.
-#
-# File coded by: Billinge Group members and community contributors.
-#
-# See GitHub contributions for a more detailed list of contributors.
-# https://github.com/diffpy/diffpy.labpdfproc/graphs/contributors
-#
-# See LICENSE.rst for license information.
-#
-##############################################################################
-
-"""
-Convenience module for debugging the unit tests using
-
-python -m diffpy.labpdfproc.tests.debug
-
-Exceptions raised by failed tests or other errors are not caught.
-"""
-
-
-if __name__ == "__main__":
-    import sys
-
-    from diffpy.labpdfproc.tests import testsuite
-
-    pattern = sys.argv[1] if len(sys.argv) > 1 else ""
-    suite = testsuite(pattern)
-    suite.debug()
-
-
-# End of file
diff --git a/src/diffpy/labpdfproc/tests/run.py b/src/diffpy/labpdfproc/tests/run.py
deleted file mode 100644
index d11095f..0000000
--- a/src/diffpy/labpdfproc/tests/run.py
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env python
-##############################################################################
-#
-# (c) 2024 The Trustees of Columbia University in the City of New York.
-# All rights reserved.
-#
-# File coded by: Billinge Group members and community contributors.
-#
-# See GitHub contributions for a more detailed list of contributors.
-# https://github.com/diffpy/diffpy.labpdfproc/graphs/contributors
-#
-# See LICENSE.rst for license information.
-#
-##############################################################################
-"""Convenience module for executing all unit tests with
-python -m diffpy.labpdfproc.tests.run
-"""
-
-import sys
-
-import pytest
-
-if __name__ == "__main__":
-    # show output results from every test function
-    args = ["-v"]
-    # show the message output for skipped and expected failure tests
-    if len(sys.argv) > 1:
-        args.extend(sys.argv[1:])
-    print("pytest arguments: {}".format(args))
-    # call pytest and exit with the return code from pytest
-    exit_res = pytest.main(args)
-    sys.exit(exit_res)
-
-# End of file
diff --git a/src/diffpy/labpdfproc/tests/test_example.py b/src/diffpy/labpdfproc/tests/test_example.py
deleted file mode 100644
index 813df60..0000000
--- a/src/diffpy/labpdfproc/tests/test_example.py
+++ /dev/null
@@ -1,2 +0,0 @@
-def test_example():
-    assert True
diff --git a/src/diffpy/labpdfproc/tests/conftest.py b/tests/conftest.py
similarity index 100%
rename from src/diffpy/labpdfproc/tests/conftest.py
rename to tests/conftest.py
diff --git a/src/diffpy/labpdfproc/tests/test_fixtures.py b/tests/test_fixtures.py
similarity index 100%
rename from src/diffpy/labpdfproc/tests/test_fixtures.py
rename to tests/test_fixtures.py
diff --git a/src/diffpy/labpdfproc/tests/test_functions.py b/tests/test_functions.py
similarity index 100%
rename from src/diffpy/labpdfproc/tests/test_functions.py
rename to tests/test_functions.py
diff --git a/src/diffpy/labpdfproc/tests/test_tools.py b/tests/test_tools.py
similarity index 100%
rename from src/diffpy/labpdfproc/tests/test_tools.py
rename to tests/test_tools.py