diff --git a/.github/workflows/dev_ci_cd_conda.yml b/.github/workflows/dev_ci_cd_conda.yml
index 8ca9a08..143a8c0 100644
--- a/.github/workflows/dev_ci_cd_conda.yml
+++ b/.github/workflows/dev_ci_cd_conda.yml
@@ -13,9 +13,6 @@ jobs:
       max-parallel: 4
       matrix:
         python-version: ["3.10"]
-    defaults:
-          run:
-            shell: bash -l {0}
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}