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Main Authors: Patel, Gaurav, Qiu, Qiang
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2503.06339
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author Patel, Gaurav
Qiu, Qiang
author_facet Patel, Gaurav
Qiu, Qiang
contents Machine Unlearning has recently garnered significant attention, aiming to selectively remove knowledge associated with specific data while preserving the model's performance on the remaining data. A fundamental challenge in this process is balancing effective unlearning with knowledge retention, as naive optimization of these competing objectives can lead to conflicting gradients, hindering convergence and degrading overall performance. To address this issue, we propose Learning to Unlearn while Retaining, aimed to mitigate gradient conflicts between unlearning and retention objectives. Our approach strategically avoids conflicts through an implicit gradient regularization mechanism that emerges naturally within the proposed framework. This prevents conflicting gradients between unlearning and retention, leading to effective unlearning while preserving the model's utility. We validate our approach across both discriminative and generative tasks, demonstrating its effectiveness in achieving unlearning without compromising performance on remaining data. Our results highlight the advantages of avoiding such gradient conflicts, outperforming existing methods that fail to account for these interactions.
format Preprint
id arxiv_https___arxiv_org_abs_2503_06339
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Learning to Unlearn while Retaining: Combating Gradient Conflicts in Machine Unlearning
Patel, Gaurav
Qiu, Qiang
Machine Learning
Computer Vision and Pattern Recognition
Machine Unlearning has recently garnered significant attention, aiming to selectively remove knowledge associated with specific data while preserving the model's performance on the remaining data. A fundamental challenge in this process is balancing effective unlearning with knowledge retention, as naive optimization of these competing objectives can lead to conflicting gradients, hindering convergence and degrading overall performance. To address this issue, we propose Learning to Unlearn while Retaining, aimed to mitigate gradient conflicts between unlearning and retention objectives. Our approach strategically avoids conflicts through an implicit gradient regularization mechanism that emerges naturally within the proposed framework. This prevents conflicting gradients between unlearning and retention, leading to effective unlearning while preserving the model's utility. We validate our approach across both discriminative and generative tasks, demonstrating its effectiveness in achieving unlearning without compromising performance on remaining data. Our results highlight the advantages of avoiding such gradient conflicts, outperforming existing methods that fail to account for these interactions.
title Learning to Unlearn while Retaining: Combating Gradient Conflicts in Machine Unlearning
topic Machine Learning
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2503.06339