diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 182d231c4..5db9fb1ca 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -16,11 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-      - name: Install dependencies
-        run: |
-          curl https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo add-apt-repository -y 'deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-9 main'
-          sudo apt install clang-format-9
       - name: Format code
         run: |
           find src/ -type f -name '*.c' -name '*.c' | xargs clang-format-9 -i