diff --git a/.github/workflows/python_test_reusable.yaml b/.github/workflows/python_test_reusable.yaml
index dfdcf54ef5..8ded9a2618 100644
--- a/.github/workflows/python_test_reusable.yaml
+++ b/.github/workflows/python_test_reusable.yaml
@@ -50,10 +50,7 @@ jobs:
             - name: Install uv
               uses: astral-sh/setup-uv@v7
             - uses: fjwillemsen/setup-nox2@v3.0.0
-            - name: Run python tests
-              working-directory: api/python/slint
-              run: nox --default-venv-backend uv
-            - name: Install dev dependencies for ty
+            - name: Build and sync environment
               working-directory: api/python/slint
               run: uv sync
             - name: Run ty
@@ -65,5 +62,8 @@ jobs:
             - name: Run ruff linter
               working-directory: api/python/briefcase
               run: uv tool run ruff check
+            - name: Run python tests
+              working-directory: api/python/slint
+              run: uv run pytest -s -v
             - name: Run python test driver
               run: cargo test -p test-driver-python
diff --git a/api/python/slint/noxfile.py b/api/python/slint/noxfile.py
deleted file mode 100644
index 078dc8cd11..0000000000
--- a/api/python/slint/noxfile.py
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright © SixtyFPS GmbH <info@slint.dev>
-# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
-
-import nox
-
-
-@nox.session(python="3.12")
-def python(session: nox.Session):
-    session.env["MATURIN_PEP517_ARGS"] = "--profile=dev"
-    session.install(".[dev]")
-    session.run("pytest", "-s", "-v")
diff --git a/api/python/slint/pyproject.toml b/api/python/slint/pyproject.toml
index 06f82a9e4c..8ae6aa9eee 100644
--- a/api/python/slint/pyproject.toml
+++ b/api/python/slint/pyproject.toml
@@ -40,15 +40,7 @@ Tracker = "https://github.com/slint-ui/slint/issues"
 dev = ["pytest", "numpy>=2.3.2", "pillow>=11.3.0", "aiohttp>=3.12.15"]
 
 [dependency-groups]
-dev = [
-  "nox>=2024.10.9",
-  "pdoc>=15.0.1",
-  "pytest>=8.3.4",
-  "ruff>=0.9.6",
-  "pillow>=11.3.0",
-  "numpy>=2.3.2",
-  "aiohttp>=3.12.15",
-]
+dev = ["pdoc>=15.0.1", "pytest>=8.3.4", "ruff>=0.9.6", "pillow>=11.3.0", "numpy>=2.3.2", "aiohttp>=3.12.15"]
 
 [tool.uv]
 # Rebuild package when any rust files change