diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 574722377f16..d716db9ebb99 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -97,9 +97,6 @@ jobs:
         if: runner.os == 'macOS' && runner.environment == 'self-hosted'
         # runner.environment is supposed to be a valid property: https://github.com/orgs/community/discussions/48359#discussioncomment-9059557
         run: echo "NUMPROCS=5" >> $GITHUB_ENV
-      - name: "Use multiple processes for self-hosted Linux runners"
-        if: runner.os == 'Linux' && runner.environment == 'self-hosted'
-        run: echo "NUMPROCS=6" >> $GITHUB_ENV
       - name: "set test subgroup"
         if: ${{ matrix.group }} != ''
         run: echo "OSCAR_TEST_SUBSET=${{matrix.group}}" >> $GITHUB_ENV