ALTER TABLE preferences DROP COLUMN expert_profile_path;
ALTER TABLE preferences DROP COLUMN simulated_used_memory_gib;
ALTER TABLE preferences DROP COLUMN directional_steering_attn;
ALTER TABLE preferences DROP COLUMN directional_steering_ffn;
ALTER TABLE preferences DROP COLUMN directional_steering_file;
ALTER TABLE preferences DROP COLUMN ssd_preload_experts;
ALTER TABLE preferences DROP COLUMN ssd_full_layers;
ALTER TABLE preferences DROP COLUMN ssd_cache_gib;
ALTER TABLE preferences DROP COLUMN ssd_cache_experts;
ALTER TABLE preferences DROP COLUMN ssd_streaming_cold;
ALTER TABLE preferences DROP COLUMN ssd_streaming;
ALTER TABLE preferences DROP COLUMN dspark_strict;
ALTER TABLE preferences DROP COLUMN dspark_confidence_threshold;
ALTER TABLE preferences DROP COLUMN glm_mtp_timing;
ALTER TABLE preferences DROP COLUMN glm_mtp;
ALTER TABLE preferences DROP COLUMN mtp_margin;
ALTER TABLE preferences DROP COLUMN mtp_draft_tokens;