diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index fd5bb726..bed730f6 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -8,3 +8,5 @@
 aec1826c34051b9e7f8af7950489915b661e320b
 # Reformat with black another time, this time without Python 2 compatibility
 797bd8a6e2a6f4a37a89ecb15ca34ec88b33258d
+# Reformat with ruff check --fix instead of isort
+d1f3518d51bc3efd6dc1d2166b7b410702bd58d5
diff --git a/.isort.cfg b/.isort.cfg
deleted file mode 100644
index bf8cf046..00000000
--- a/.isort.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Copyright (c) Ansible Project
-# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-[isort]
-profile=black
-lines_after_imports = 2
diff --git a/antsibull-nox.toml b/antsibull-nox.toml
index 572b42fc..694467a4 100644
--- a/antsibull-nox.toml
+++ b/antsibull-nox.toml
@@ -13,9 +13,14 @@ stable_branches = [ "stable-*" ]
 [sessions]
 
 [sessions.lint]
-run_isort = true
-isort_config = ".isort.cfg"
+run_isort = false
 run_black = true
+run_ruff_autofix = true
+ruff_autofix_config = "ruff.toml"
+ruff_autofix_select = [
+    "I",
+    "RUF022",
+]
 run_ruff_check = true
 ruff_check_config = "ruff.toml"
 run_flake8 = true
diff --git a/ruff.toml b/ruff.toml
index dca70302..58330a5a 100644
--- a/ruff.toml
+++ b/ruff.toml
@@ -29,3 +29,8 @@ unfixable = []
 
 # Allow unused variables when underscore-prefixed or starting with dummy
 dummy-variable-rgx = "^(_|dummy).*$"
+
+[lint.isort]
+known-third-party = [
+    "ansible_collections.community.internal_test_tools",
+]