diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b2777de9..bb8fbd3d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,6 @@ jobs:
           job_cache_extra_deps=(); job_id=test_windows; job_name='Test (Windows)'; job_needs=(); job_os=Windows; job_platform=windows-2022; job_python=3.9; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_windows_py-3.9_windows-2022; job_skip_cache_path=.skip_cache_test_windows; job_skiplists=(job_test os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant=Windows; analyze_set_job_skip_cache_key
           job_cache_extra_deps=(); job_id=test_python_38; job_name='Test (Python 3.8)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.8; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_38_py-3.8_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_38; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.8'; analyze_set_job_skip_cache_key
           job_cache_extra_deps=(); job_id=test_python_310; job_name='Test (Python 3.10)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.10; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_310_py-3.10_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_310; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.10'; analyze_set_job_skip_cache_key
-          job_cache_extra_deps=(); job_id=test_python_311; job_name='Test (Python 3.11)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.11; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_311_py-3.11_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_311; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.11'; analyze_set_job_skip_cache_key
           job_cache_extra_deps=(); job_id=test_qt_gui; job_name='Test (Qt GUI)'; job_needs=(); job_os=Linux; job_platform=ubuntu-22.04; job_python=3.9; job_reqs=(reqs/dist.txt reqs/dist_extra_gui_qt.txt reqs/test.txt); job_skip_cache_name=skip_test_qt_gui_py-3.9_ubuntu-22.04; job_skip_cache_path=.skip_cache_test_qt_gui; job_skiplists=(job_test_gui_qt); job_test_args=test/gui_qt; job_type=test_gui_qt; job_variant='Qt GUI'; analyze_set_job_skip_cache_key
           job_cache_extra_deps=(); job_id=test_packaging; job_name='Test (Packaging)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.9; job_reqs=(reqs/packaging.txt reqs/setup.txt); job_skip_cache_name=skip_test_packaging_py-3.9_ubuntu-latest; job_skip_cache_path=.skip_cache_test_packaging; job_skiplists=(job_test_packaging); job_type=test_packaging; job_variant=Packaging; analyze_set_job_skip_cache_key
           job_cache_extra_deps=('reqs/dist_*.txt' linux/appimage/deps.sh); job_id=build_linux; job_name='Build (Linux)'; job_needs=(test_linux); job_os=Linux; job_platform=ubuntu-22.04; job_python=3.9; job_reqs=(reqs/build.txt reqs/setup.txt); job_skip_cache_name=skip_build_linux_py-3.9_ubuntu-22.04; job_skip_cache_path=.skip_cache_build_linux; job_skiplists=(job_build os_linux); job_type=build; job_variant=Linux; analyze_set_job_skip_cache_key
@@ -87,14 +86,6 @@ jobs:
           restore-keys:
             0_${{ steps.set_cache.outputs.test_python_310_skip_cache_key }}
 
-      - name: Check skip cache for Test (Python 3.11)
-        uses: actions/cache@v3
-        with:
-          path: .skip_cache_test_python_311
-          key: 0_check_${{ steps.set_cache.outputs.test_python_311_skip_cache_key }}_${{ github.run_id }}
-          restore-keys:
-            0_${{ steps.set_cache.outputs.test_python_311_skip_cache_key }}
-
       - name: Check skip cache for Test (Qt GUI)
         uses: actions/cache@v3
         with:
@@ -146,7 +137,6 @@ jobs:
           job_cache_extra_deps=(); job_id=test_windows; job_name='Test (Windows)'; job_needs=(); job_os=Windows; job_platform=windows-2022; job_python=3.9; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_windows_py-3.9_windows-2022; job_skip_cache_path=.skip_cache_test_windows; job_skiplists=(job_test os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant=Windows; analyze_set_job_skip_job
           job_cache_extra_deps=(); job_id=test_python_38; job_name='Test (Python 3.8)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.8; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_38_py-3.8_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_38; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.8'; analyze_set_job_skip_job
           job_cache_extra_deps=(); job_id=test_python_310; job_name='Test (Python 3.10)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.10; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_310_py-3.10_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_310; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.10'; analyze_set_job_skip_job
-          job_cache_extra_deps=(); job_id=test_python_311; job_name='Test (Python 3.11)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.11; job_reqs=(reqs/dist.txt reqs/test.txt); job_skip_cache_name=skip_test_python_311_py-3.11_ubuntu-latest; job_skip_cache_path=.skip_cache_test_python_311; job_skiplists=(job_test os_linux os_macos os_windows); job_test_args='-p no:pytest-qt --ignore=test/gui_qt'; job_type=test; job_variant='Python 3.11'; analyze_set_job_skip_job
           job_cache_extra_deps=(); job_id=test_qt_gui; job_name='Test (Qt GUI)'; job_needs=(); job_os=Linux; job_platform=ubuntu-22.04; job_python=3.9; job_reqs=(reqs/dist.txt reqs/dist_extra_gui_qt.txt reqs/test.txt); job_skip_cache_name=skip_test_qt_gui_py-3.9_ubuntu-22.04; job_skip_cache_path=.skip_cache_test_qt_gui; job_skiplists=(job_test_gui_qt); job_test_args=test/gui_qt; job_type=test_gui_qt; job_variant='Qt GUI'; analyze_set_job_skip_job
           job_cache_extra_deps=(); job_id=test_packaging; job_name='Test (Packaging)'; job_needs=(); job_os=Linux; job_platform=ubuntu-latest; job_python=3.9; job_reqs=(reqs/packaging.txt reqs/setup.txt); job_skip_cache_name=skip_test_packaging_py-3.9_ubuntu-latest; job_skip_cache_path=.skip_cache_test_packaging; job_skiplists=(job_test_packaging); job_type=test_packaging; job_variant=Packaging; analyze_set_job_skip_job
           job_cache_extra_deps=('reqs/dist_*.txt' linux/appimage/deps.sh); job_id=build_linux; job_name='Build (Linux)'; job_needs=(test_linux); job_os=Linux; job_platform=ubuntu-22.04; job_python=3.9; job_reqs=(reqs/build.txt reqs/setup.txt); job_skip_cache_name=skip_build_linux_py-3.9_ubuntu-22.04; job_skip_cache_path=.skip_cache_build_linux; job_skiplists=(job_build os_linux); job_type=build; job_variant=Linux; analyze_set_job_skip_job
@@ -166,8 +156,6 @@ jobs:
       test_python_38_skip_cache_key: ${{ steps.set_cache.outputs.test_python_38_skip_cache_key }}
       test_python_310_skip_job: ${{ steps.set_ouputs.outputs.test_python_310_skip_job }}
       test_python_310_skip_cache_key: ${{ steps.set_cache.outputs.test_python_310_skip_cache_key }}
-      test_python_311_skip_job: ${{ steps.set_ouputs.outputs.test_python_311_skip_job }}
-      test_python_311_skip_cache_key: ${{ steps.set_cache.outputs.test_python_311_skip_cache_key }}
       test_qt_gui_skip_job: ${{ steps.set_ouputs.outputs.test_qt_gui_skip_job }}
       test_qt_gui_skip_cache_key: ${{ steps.set_cache.outputs.test_qt_gui_skip_cache_key }}
       test_packaging_skip_job: ${{ steps.set_ouputs.outputs.test_packaging_skip_job }}
@@ -465,62 +453,6 @@ jobs:
         run: list_cache
   # }}}
 
-  # Job: Test (Python 3.11) {{{
-  test_python_311:
-
-    name: Test (Python 3.11)
-    runs-on: ubuntu-latest
-    needs: [analyze, ]
-    if: >-
-      !cancelled()
-      && needs.analyze.outputs.test_python_311_skip_job == 'no'
-
-    steps:
-
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.11'
-
-      - name: Set cache name
-        id: set_cache
-        run: setup_cache_name '3.11' 'ubuntu-latest'
-
-      - name: Setup cache
-        uses: actions/cache@v3
-        with:
-          path: .cache
-          key: 0_${{ steps.set_cache.outputs.cache_name }}_${{ hashFiles('reqs/constraints.txt', 'reqs/dist.txt', 'reqs/test.txt') }}
-
-      - name: Setup pip options
-        run: setup_pip_options
-
-      - name: Setup Python environment
-        run: setup_python_env -c reqs/constraints.txt -r reqs/dist.txt -r reqs/test.txt
-      # Test {{{
-
-      - name: Run tests
-        run: run_tests -p no:pytest-qt --ignore=test/gui_qt
-
-
-      # }}}
-
-      - name: Update skip cache 1
-        uses: actions/cache@v3
-        with:
-          path: .skip_cache_test_python_311
-          key: 0_${{ needs.analyze.outputs.test_python_311_skip_cache_key }}
-
-      - name: Update skip cache 2
-        run: run_eval "echo 'https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID' >'.skip_cache_test_python_311'"
-
-      - name: List cache contents
-        run: list_cache
-  # }}}
-
   # Job: Test (Qt GUI) {{{
   test_qt_gui:
 
@@ -904,7 +836,7 @@ jobs:
     name: Release
     environment: release
     runs-on: ubuntu-latest
-    needs: [analyze, test_linux, test_macos, test_windows, test_python_38, test_python_310, test_python_311, test_qt_gui, test_packaging, build_linux, build_macos, build_windows]
+    needs: [analyze, test_linux, test_macos, test_windows, test_python_38, test_python_310, test_qt_gui, test_packaging, build_linux, build_macos, build_windows]
     if: >-
       !cancelled()
       && needs.test_linux.result == 'success'
@@ -912,7 +844,6 @@ jobs:
       && needs.test_windows.result == 'success'
       && needs.test_python_38.result == 'success'
       && needs.test_python_310.result == 'success'
-      && needs.test_python_311.result == 'success'
       && needs.test_qt_gui.result == 'success'
       && needs.test_packaging.result == 'success'
       && needs.build_linux.result == 'success'
diff --git a/.github/workflows/ci/workflow_context.yml b/.github/workflows/ci/workflow_context.yml
index 9818d4832..c80d52e3d 100644
--- a/.github/workflows/ci/workflow_context.yml
+++ b/.github/workflows/ci/workflow_context.yml
@@ -57,9 +57,6 @@ jobs:
   - <<: *python_test
     variant: Python 3.10
     python: "3.10"
-  - <<: *python_test
-    variant: Python 3.11
-    python: "3.11"
 
   # Qt GUI tests.
   - <<: *test
diff --git a/setup.cfg b/setup.cfg
index b1dd97ada..0ed0a2eee 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,6 @@ classifiers =
         Programming Language :: Python :: 3.8
         Programming Language :: Python :: 3.9
         Programming Language :: Python :: 3.10
-        Programming Language :: Python :: 3.11
         License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
         Development Status :: 5 - Production/Stable
         Environment :: X11 Applications