diff --git a/pyproject.toml b/pyproject.toml
index ab2223fe2..15c12eecd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,14 +100,10 @@ exclude = ["pyopencl/compyte"]
 
 [[tool.mypy.overrides]]
 module = [
-    "IPython.*",
     "OpenGL.*",
     "mako.*",
-    "matplotlib.*",
     "pyfmmlib.*",
     "pyopencl._cl.*",
-    "pyopencl.compyte.*",
-    "pytest.*",
     "scipy.*",
 ]
 ignore_missing_imports = true
diff --git a/test/test_array.py b/test/test_array.py
index 6b130b34c..371003503 100644
--- a/test/test_array.py
+++ b/test/test_array.py
@@ -1971,7 +1971,7 @@ def test_ravel(ctx_factory, order):
 
 # {{{ test_arithmetic_on_non_scalars
 
-def test_arithmetic_on_non_scalars(ctx_factory):
+def test_arithmetic_on_non_scalars(ctx_factory) -> None:
     pytest.importorskip("dataclasses")
 
     from dataclasses import dataclass