diff --git a/doc/source/dev/tempest_tests.rst b/doc/source/dev/tempest_tests.rst
index 71d2bb92e..775f258ed 100644
--- a/doc/source/dev/tempest_tests.rst
+++ b/doc/source/dev/tempest_tests.rst
@@ -61,4 +61,4 @@ Navigate to tempest directory::
 
 Run this command::
 
-    tox -eall-plugin -- zun.tests.tempest.api --concurrency=1
+    tox -eall-plugin -- zun.tests.tempest.api
diff --git a/zun/tests/contrib/post_test_hook.sh b/zun/tests/contrib/post_test_hook.sh
index 790984033..e7522099c 100755
--- a/zun/tests/contrib/post_test_hook.sh
+++ b/zun/tests/contrib/post_test_hook.sh
@@ -57,7 +57,7 @@ sudo chown -R jenkins:stack $BASE/new/tempest
 # show tempest config
 cat etc/tempest.conf
 
-sudo -E tox -eall-plugin -- zun.tests.tempest.api --concurrency=1
+sudo -E tox -eall-plugin -- zun.tests.tempest.api
 
 EXIT_CODE=$?