diff --git a/src/diffpy/pdffit2/tests/__init__.py b/src/diffpy/pdffit2/tests/__init__.py
index 4ffdb21c..a27d592f 100644
--- a/src/diffpy/pdffit2/tests/__init__.py
+++ b/src/diffpy/pdffit2/tests/__init__.py
@@ -80,26 +80,4 @@ def test():
     return result
 
 
-def testdeps():
-    """Execute all unit tests for diffpy.pdffit2 and its dependencies.
-
-    Returns
-    -------
-    result : `unittest.TestResult`
-    """
-    from importlib import import_module
-
-    modulenames = """
-        diffpy.pdffit2.tests
-        diffpy.structure.tests
-    """.split()
-    suite = unittest.TestSuite()
-    for mname in modulenames:
-        mod = import_module(mname)
-        suite.addTests(mod.testsuite())
-    runner = unittest.TextTestRunner()
-    result = runner.run(suite)
-    return result
-
-
 # End of file
diff --git a/src/diffpy/pdffit2/tests/rundeps.py b/src/diffpy/pdffit2/tests/rundeps.py
deleted file mode 100644
index 038475ae..00000000
--- a/src/diffpy/pdffit2/tests/rundeps.py
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env python
-##############################################################################
-#
-# diffpy.pdffit2    by DANSE Diffraction group
-#                   Simon J. L. Billinge
-#                   (c) 2012 Trustees of the Columbia University
-#                   in the City of New York.  All rights reserved.
-#
-# File coded by:    Pavol Juhas
-#
-# See AUTHORS.txt for a list of people who contributed.
-# See LICENSE.txt for license information.
-#
-##############################################################################
-
-"""Convenience module for executing unit tests for all pdffit2 dependencies
-
-python -m diffpy.pdffit2.tests.rundeps
-"""
-
-
-if __name__ == "__main__":
-    import sys
-
-    from diffpy.pdffit2.tests import testdeps
-
-    # produce zero exit code for a successful test
-    sys.exit(not testdeps().wasSuccessful())
-
-# End of file