diff --git a/start.sh b/start.sh
index 16769a1..fa24b83 100644
--- a/start.sh
+++ b/start.sh
@@ -367,6 +367,7 @@ clean_legacy_settings() {
     sed -i '/^path\.data:/d' "$ES_PATH_CONF/elasticsearch.yml"
     sed -i '/^path\.logs:/d' "$ES_PATH_CONF/elasticsearch.yml"
     sed -i '/^path\.plugins:/d' "$ES_PATH_CONF/elasticsearch.yml"
+    sed -i '/^bootstrap\.password:/d' "$ES_PATH_CONF/elasticsearch.yml"
 }
 
 ensure_setting() {