diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0d19cfe..10eb4f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "pypy3.10"]
+        python-version: ["3.10"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
diff --git a/Makefile b/Makefile
index a8aef14..8b55051 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,3 @@
-NAMESPACE=llimllib
-APP=limbo
-
-.PHONY: testall
-testall: requirements
-	tox
-
 # to run a single file, with debugger support:
 # pytest -s test/test_plugins/test_image.py
 .PHONY: test
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index bf5e70b..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,12 +0,0 @@
-# Tox (http://tox.testrun.org/) is a tool for running tests
-# in multiple virtualenvs. This configuration file will run the
-# test suite on all supported python versions. To use it, "pip install tox"
-# and then run "tox" from this directory.
-
-[tox]
-envlist = py310, pypy
-
-[testenv]
-commands = make test
-deps =
-whitelist_externals = make