diff --git a/conda/shared.py b/conda/shared.py
index d3c1eaa705..dc2c37451f 100644
--- a/conda/shared.py
+++ b/conda/shared.py
@@ -181,8 +181,6 @@ def install_miniconda(conda_base, activate_base, logger):
     check_call(commands, logger=logger)
 
     commands = f'{activate_base} && ' \
-               f'conda install -y --force-reinstall' \
-               f'   mamba=1.5.1 conda=23.7.4 && ' \
                f'mamba update -y --all && ' \
                f'mamba init'