diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index eedf412..29dd4d5 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -823,13 +823,10 @@ Acquire::https::Verify-Peer False;
 ${SPCD_PYTHON_VENV}/lib/${SPCD_PYTHON_COMMAND}/site-packages"
     spcd_split
     spcd_os_printenv "SPCD_PYTHON_PACKAGES" "SPCD_PYTHON_VENV_PACKAGES"
-    # variables
-    # certificate authorities
-    [ -n "${SPCD_CA_1}" ] && SPCD_CA=true
     # downloads
     SPCD_DL="$(mktemp --directory)"
     spcd_split
-    spcd_os_printenv "SPCD_CA" "SPCD_DL"
+    spcd_os_printenv "SPCD_DL"
 }
 
 spcd_environment_list_workspace() {
@@ -965,7 +962,7 @@ spcd_packages_set_configuration() {
 
 spcd_packages_trust_https() {
     spcd_step "Trust HTTPS"
-    if [ -n "${SPCD_CA}" ] || [ "${SPCD_PM}" = "${SPCD_PM_APT}" ]; then
+    if [ -n "${SPCD_CA_1}" ] || [ "${SPCD_PM}" = "${SPCD_PM_APT}" ]; then
         spcd_os_mkdir "$(dirname "${SPCD_PM_HTTPS_PATH}")"
         spcd_os_write "${SPCD_PM_HTTPS_PATH}" "${SPCD_PM_HTTPS_TEXT}"
     fi