diff --git a/create-attributable-archive.sh b/create-attributable-archive.sh
index e525cde..f2c74e0 100755
--- a/create-attributable-archive.sh
+++ b/create-attributable-archive.sh
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 # packages: 7zip, shred, secure-delete, cracklib-runtime, openssl, curl
-# set -o errtrace
-# set -o nounset
-# set -o pipefail
+set -o errtrace
+set -o nounset
+set -o pipefail
 IFS=$'\n\t'
 
 unix_seconds=$(date +%s)
@@ -208,8 +208,6 @@ exit_cleanup() {
     printf "cleaning up on exit"
     reset > /dev/null 2>&1
     checkcode $?
-
-    # todo: uset vars
 }
 
 trap error_handle ERR