diff --git a/run-tests.sh b/run-tests.sh
index 3b169ef..49e9729 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -55,7 +55,7 @@ check_sphinx () {
 }
 
 check_pytest () {
-    python setup.py test
+    pytest
 }
 
 check_all () {
diff --git a/setup.cfg b/setup.cfg
index b84350f..8d66ba8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,9 +6,6 @@
 # REANA is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
 
-[aliases]
-test = pytest
-
 [build_sphinx]
 source-dir = docs/
 build-dir = docs/_build
diff --git a/tox.ini b/tox.ini
index 9904a69..eaf205d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,9 +5,9 @@
 # under the terms of the MIT License; see LICENSE file for more details.
 
 [tox]
-envlist = py36, py37, py38, py39, py310, py311, py312
+envlist = py38, py39, py310, py311, py312
 
 [testenv]
 deps = pytest
        pytest-cov
-commands = {envpython} setup.py test
+commands = pytest {posargs}