diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 264874a..99e3254 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -324,7 +324,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v1
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
deleted file mode 100644
index 5cca92c..0000000
--- a/.github/workflows/build_and_test.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
-name: Test stripy
-
-on:
-  push:
-  release:
-  workflow_dispatch:
-
-jobs:
-  build:
-    name: Test Python ${{ matrix.python-version }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
-
-    defaults:
-      run:
-        shell: bash -el {0}
-
-    steps:
-      - uses: actions/checkout@v2
-      - uses: mamba-org/setup-micromamba@v1
-        with:
-          micromamba-version: "1.3.1-0"
-          environment-name: test-env
-          create-args: >-
-            python=${{ matrix.python-version }}
-            numpy
-            scipy
-            pytest
-            fortran-compiler
-            build
-            meson
-          init-shell: >-
-            bash
-            powershell
-          cache-environment: true
-          post-cleanup: "all"
-
-      - name: Install current gplately
-        run: |
-          pip install . --no-binary :all: --no-cache-dir --no-dependencies
-
-      - name: Test with pytest
-        run: |
-          python -m pytest -vv stripy/tests
\ No newline at end of file