diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
deleted file mode 100644
index b7150c1b..00000000
--- a/.github/workflows/codecov.yml
+++ /dev/null
@@ -1,51 +0,0 @@
-name: codecov
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  run:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-    env:
-      OS: ${{ matrix.os }}
-      PYTHON: '3.8'
-    steps:
-    - uses: actions/checkout@v2
-    - name: Setup Python
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.8
-    - name: Install required dependencies
-      run: |
-        pip install pip wheel cython --upgrade
-        pip install -r requirements.txt --upgrade
-        pip install pytest pytest-cov --upgrade
-    - name: Install optional dependencies (nmslib)
-      continue-on-error: true
-      run: |
-        pip install nmslib --upgrade
-    - name: Install optional dependencies (mlpack)
-      continue-on-error: true
-      run: |
-        pip install mlpack --upgrade
-    - name: Install genieclust
-      run: |
-        python setup.py install --user
-    - name: Generate coverage report
-      run: |
-        pytest --cov --cov-report=xml
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }}
-        file: ./coverage.xml
-        flags: unittests
-        env_vars: OS,PYTHON
-        name: codecov-genieclust
-        fail_ci_if_error: true
diff --git a/README.md b/README.md
index c6be2acf..0287a91a 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,6 @@
 
 ![genieclust for Python](https://github.com/gagolews/genieclust/workflows/genieclust%20for%20Python/badge.svg)
 ![genieclust for R](https://github.com/gagolews/genieclust/workflows/genieclust%20for%20R/badge.svg)
-![codecov](https://codecov.io/gh/gagolews/genieclust/branch/master/graph/badge.svg)
 
 
 > **Genie finds meaningful clusters quickly – even on large data sets.**