# Rollback V53.0

Restore the previous V53 files or remove these new files:
- `Chairman/memory/ChairmanPatternMemoryEngineV53.php`
- `Chairman/api/api_pattern_memory_v53.php`
- `wr_chairman_pattern_memory_ai_v53_0.php`
- `analysis_chairman_v53_pattern_memory.php`

V44-V52 are not modified by V53.0.