diff --git a/tox.ini b/tox.ini
index 00e29e93..3ab213ad 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,7 +31,7 @@ commands =
     {envpython} -m coverage html
     {envpython} -m coverage report
 
-[testenv:{,py38-,py39-,py310-,py311-,py312-,py313-}develop]
+[testenv:{,py310-,py311-,py312-,py313-}develop]
 deps =
     {[testenv]deps}
     git+https://github.com/sphinx-doc/sphinx.git@{env:SPHINX_VER:master}