diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0743e1cb57c78a9d98b2658a7cc87da00dca4d26..0ad8ee2de5c592a4bb1e6fab2600b5e4a2841d17 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,6 +29,5 @@ tests:
 conda-package:
   before_script:
     # for opencv-python dependence
-    - if [ "$TAG" == "docker" ]; then apt-get update && apt-get install -y libgl1-mesa-glx > /dev/null; fi
-    - mamba install -n base -y git
+    - apt-get update && apt-get install -y libgl1-mesa-glx > /dev/null
     - !reference [.snippets, conda-prepare]