diff --git a/.github/workflows/macos_unit_tests.yml b/.github/workflows/macos_unit_tests.yml
index fac63e14b..a693527d7 100644
--- a/.github/workflows/macos_unit_tests.yml
+++ b/.github/workflows/macos_unit_tests.yml
@@ -22,14 +22,6 @@ jobs:
           activate-environment: test
           python-version: ${{ matrix.python-version }}
           fetch-depth: 2
-      - name: Install ubuntu dependencies
-        shell: bash -el {0}
-        run: |
-          if [ "${{ matrix.os }}" == "ubuntu-latest" ]; then
-            sudo add-apt-repository ppa:ubuntu-toolchain-r/test
-            sudo apt-get update
-            sudo apt-get install libopenmpi-dev openmpi-bin
-          fi;
       - name: Install dependencies
         shell: bash -el {0}
         run: |