Common LLM unlearning methods suppress targeted information rather than erase it from the model.
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Our work indicates that current approximate unlearning methods simply suppress the model outputs and fail to robustly forget target knowledge in the LLMs.
Abstract's concluding interpretation of the relearning results.
little attention has been given to whether existing unlearning methods for LLMs truly achieve forgetting or merely hide the knowledge, which current unlearning benchmarks fail to detect.
Abstract; framed as the question the quantization finding answers.
This \emph{reversibility} suggests that information is merely suppressed, not genuinely erased.
Abstract; follows the finding that forgotten behavior is restored by minimal fine-tuning.
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Created by extractor · Nov 11, 2026. Every judgment on this page is accompanied by a reasoning trace.