diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..a10e1fb
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,4 @@
+[flake8]
+max-line-length = 125
+exclude = .git,__pycache__,docs/conf.py,build,dist,tmp,venv
+extend-ignore = E203, W50
diff --git a/MANIFEST.in b/MANIFEST.in
index 23263f6..dd97c96 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,6 +3,7 @@ include *.txt
 include *.cfg
 include LICENSE
 include pyproject.toml
+include .flake8
 recursive-include aqt *.ini
 recursive-include aqt *.json
 recursive-include docs *.bat
diff --git a/pyproject.toml b/pyproject.toml
index 55701cd..ff9cfdd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -136,6 +136,7 @@ markers = [
 legacy_tox_ini = """
 [tox]
 envlist = check, docs, py{36,37,38,39,310}, py39d, mprof, fil
+isolated_build = True
 
 [testenv]
 passenv =
@@ -153,7 +154,7 @@ basepython = python3.8
 extras = check
 commands =
     check-manifest {toxinidir}
-    flake8 aqt tests setup.py
+    flake8 aqt tests
 
 [testenv:docs]
 basepython = python3.8
diff --git a/setup.cfg b/setup.cfg
index b730654..1cea002 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,11 +1,3 @@
-[flake8]
-max-line-length = 125
-exclude = .git,__pycache__,docs/conf.py,build,dist,tmp,venv
-extend-ignore = E203, W50
-
-[bdist_wheel]
-universal=1
-
 [metadata]
 name = aqtinstall
 description = Another unofficial Qt installer
diff --git a/setup.py b/setup.py
index 2aab7ab..a4f49f9 100644
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,2 @@
-#!/usr/bin/env python
-
-from setuptools import setup
-
-setup(setup_requires=["setuptools_scm"], use_scm_version=True)
+import setuptools
+setuptools.setup()