diff --git a/pipelines/jobs.yml b/pipelines/jobs.yml
index 919bd2063..00d86a113 100644
--- a/pipelines/jobs.yml
+++ b/pipelines/jobs.yml
@@ -27,16 +27,6 @@ jobs:
     pool:
       vmImage: 'ubuntu-latest'
     steps:
-    - script: |
-        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-        sudo apt-get update
-        sudo apt-get install clang-9
-        sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-9 50
-        sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-9 50
-        clang-9 --version
-        clang++-9 --version
-        which clang-9
-        which clang++-9
     - template: nix.yml
       parameters:
         artifactName: linux-drop