diff --git a/start.sh b/start.sh
index 47e5cc7..267624b 100755
--- a/start.sh
+++ b/start.sh
@@ -2,9 +2,6 @@
 
 set -eu
 
-# migration remove in next release
-[[ -d /app/data/runtime ]] && mv /app/data/runtime /app/data/storage
-
 mkdir -p /app/data/storage /app/data/config
 
 if [[ ! -f /app/data/config/prometheus.yml ]]; then
@@ -21,11 +18,6 @@ if [[ ! -f /app/data/env.sh ]]; then
     cp /app/pkg/env.sh.template /app/data/env.sh
 fi
 
-# migration remove in next release
-if ! grep -q cli_option /app/data/env.sh; then
-    echo -e '\nexport cli_options="--storage.tsdb.retention.time=$retention_time --storage.tsdb.path=/app/data/storage"' >> /app/data/env.sh
-fi
-
 echo "=> Source custom variables for cli args"
 source /app/data/env.sh