diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 66a48dea7..000000000
--- a/tox.ini
+++ /dev/null
@@ -1,50 +0,0 @@
-# tox configuration - if you change anything here, run this to verify:
-# fakeroot -u tox --recreate
-
-[tox]
-envlist = py{310,311,312,313}-{none,fuse2,fuse3},docs
-minversion = 3.2
-requires =
-    pkgconfig
-    cython
-    wheel
-    setuptools_scm
-
-[testenv]
-package = editable-legacy  # without this it does not find setup_docs when running under fakeroot
-setenv =
-   fuse2: BORG_FUSE_IMPL=llfuse
-   fuse3: BORG_FUSE_IMPL=pyfuse3
-deps =
-    fuse2: llfuse
-    fuse3: pyfuse3
-    -rrequirements.d/development.txt
-commands = pytest -v -n {env:XDISTN:1} -rs --cov=borg --cov-config=.coveragerc --benchmark-skip --pyargs {posargs:borg.testsuite}
-# fakeroot -u needs some env vars:
-passenv = *
-
-[testenv:.pkg]
-passenv = *  # needed by tox4, so env vars are visible for building borg
-
-[testenv:ruff]
-skip_sdist=true
-skip_install=true
-deps =
-    ruff
-commands = ruff check .
-
-[testenv:mypy]
-deps =
-    pytest
-    mypy
-    pkgconfig
-commands = mypy --ignore-missing-imports
-
-[testenv:docs]
-changedir = docs
-deps =
-    sphinx
-    sphinxcontrib-jquery
-    guzzle_sphinx_theme
-commands =
-    sphinx-build -n -v -W --keep-going -b html -d {envtmpdir}/doctrees . {envtmpdir}/html