---
doc-schema-version: 1
summary: "QMD memory backend removal and migration"
read_when:
  - Migrating an installation that used the QMD memory backend
title: "QMD memory backend removal"
---

# QMD memory backend removal

The optional QMD memory backend has been removed. Builtin memory is now the only memory engine.

See [Migrating from QMD](/concepts/memory-builtin#migrating-from-qmd) for the
automatic Doctor migration, builtin feature coverage, and remaining gaps.