diff --git a/scripts/build-setup.sh b/scripts/build-setup.sh
index 28ec4f3d..2dbf1f22 100755
--- a/scripts/build-setup.sh
+++ b/scripts/build-setup.sh
@@ -181,7 +181,6 @@ if run_step "1"; then
 
     # use conda-lock to create env
     conda-lock install --conda $(which conda) -p $CYDIR/.conda-env $LOCKFILE &&
-    source $CYDIR/.conda-env/etc/profile.d/conda.sh &&
     conda activate $CYDIR/.conda-env
     exit_if_last_command_failed