diff --git a/entrypoint.sh.tmpl b/entrypoint.sh.tmpl
index ee1c8ef..77a6971 100644
--- a/entrypoint.sh.tmpl
+++ b/entrypoint.sh.tmpl
@@ -6,9 +6,11 @@ set -e
 # https://git.autonomic.zone/coop-cloud/peertube/issues/2
 
 export PEERTUBE_DB_PASSWORD=$(cat "$PEERTUBE_DB_PASSWORD_FILE")
+unset PEERTUBE_DB_PASSWORD_FILE
 
 {{ if (env "PEERTUBE_SMTP_ENABLED") }}
 export PEERTUBE_SMTP_PASSWORD=$(cat "$PEERTUBE_SMTP_PASSWORD_FILE")
+unset PEERTUBE_SMTP_PASSWORD_FILE
 {{ end }}
 
 # upstream entrypoint