diff --git a/.github/tmp-uv-overrides.txt b/.github/tmp-uv-overrides.txt
deleted file mode 100644
index ca31a07d93..0000000000
--- a/.github/tmp-uv-overrides.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-# Temporary: jq has no cp315 Windows wheel and its sdist does not build on Windows.
-jq; sys_platform != "win32"
-# Temporary: pypdf 6.20.0 (2026-10-09) changes extracted text that test_pypdf_to_document.py expects; unrelated to 3.15.
-pypdf<6.20
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d97e8863be..c684c36bb2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,11 +29,7 @@ env:
   OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
   AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
   AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
-  PYTHON_VERSION: "3.15"
-  # Temporary: PyTorch publishes cp315 wheels only on its own index so far.
-  UV_EXTRA_INDEX_URL: https://download.pytorch.org/whl/cpu
-  UV_INDEX_STRATEGY: unsafe-best-match
-  UV_OVERRIDE: ${{ github.workspace }}/.github/tmp-uv-overrides.txt
+  PYTHON_VERSION: "3.11"
   # numpy's stubs require a 3.12+ interpreter, so type checking runs above the floor.
   # See [tool.mypy] in pyproject.toml.
   MYPY_PYTHON_VERSION: "3.12"
@@ -86,7 +82,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         run: |
@@ -110,7 +105,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         run: |
@@ -143,7 +137,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         id: hatch
@@ -154,8 +147,6 @@ jobs:
           echo "env=$(hatch env find test)" >> "$GITHUB_OUTPUT"
 
       - name: Run
-        env:
-          PYTEST_ADDOPTS: ${{ matrix.os == 'windows-latest' && '--ignore=test/components/converters/test_json.py' || '' }}
         run: hatch run test:unit
 
       - uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
@@ -237,7 +228,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         id: hatch
@@ -266,7 +256,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         id: hatch
@@ -301,7 +290,6 @@ jobs:
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "${{ env.PYTHON_VERSION }}"
-          allow-prereleases: true
 
       - name: Install Hatch
         id: hatch