diff --git a/start.sh b/start.sh
index cf2a162..4a51dc9 100755
--- a/start.sh
+++ b/start.sh
@@ -83,8 +83,6 @@ if [[ -n "${CLOUDRON_OIDC_ISSUER:-}" ]]; then
     yq eval -i ".oidc_providers[0].allow_existing_users=true" /app/data/configs/homeserver.yaml
     yq eval -i ".oidc_providers[0].user_mapping_provider.config.localpart_template=\"{{ user.sub }}\"" /app/data/configs/homeserver.yaml
     yq eval -i ".oidc_providers[0].user_mapping_provider.config.display_name_template=\"{{ user.name }}\"" /app/data/configs/homeserver.yaml
-
-    ( migrate_ldap_users_to_oidc ) &
 else
     yq eval -i ".password_config.localdb_enabled=true" /app/data/configs/homeserver.yaml
     # just setting enabled to false is not enough. see https://github.com/matrix-org/matrix-synapse-ldap3/issues/123