diff --git a/run_py-tosca-parser-master.sh b/run_py-tosca-parser-master.sh
deleted file mode 100755
index 19fe15a4..00000000
--- a/run_py-tosca-parser-master.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-
-pip install -q -U -e "git+https://git.openstack.org/openstack/tosca-parser.git#egg=tosca_parser"
diff --git a/tox.ini b/tox.ini
index bf52dcf9..874aa294 100644
--- a/tox.ini
+++ b/tox.ini
@@ -45,10 +45,10 @@ commands =
 
 [testenv:py310-tp]
 basepython = python310
-allowlist_externals =
-    bash
+deps =
+    {[testenv deps]}
+    https://opendev.org/openstack/tosca-parser.git
 commands =
-    bash ./run_py-tosca-parser-master.sh
     python setup.py test --slowest --testr-args='{posargs}'
 
 [flake8]