diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index eb73780..31d4625 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -112,10 +112,6 @@ jobs:
     
     - name: Setup Toolchain
       run: |
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ xenial main'
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ xenial universe'  
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic main'
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic universe'
         ${{matrix.install}}
 
     - name: Configure CMake