diff --git a/scripts/test.sh b/scripts/test.sh
index d51f18e2..83f6fde1 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -112,9 +112,6 @@ echo "***** Testing the usage of mamba main command *****"
 echo "***** Initialize the current session for mamba *****"
 export MAMBA_ROOT_PREFIX="/root/miniforge"
 
-echo "***** Install missing CA certificates *****"
-conda install certifi ca-certificates --yes
-
 echo "***** Create a new environment *****"
 mamba create -n testenv numpy --yes