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Related papers: SoK: Machine Unlearning for Large Language Models

200 papers

The task of "unlearning" certain concepts in large language models (LLMs) has attracted immense attention recently, due to its importance in mitigating undesirable model behaviours, such as the generation of harmful, private, or incorrect…

Computation and Language · Computer Science 2025-09-03 Yihuai Hong , Lei Yu , Haiqin Yang , Shauli Ravfogel , Mor Geva

The increase in computing power and the necessity of AI-assisted decision-making boost the growing application of large language models (LLMs). Along with this, the potential retention of sensitive data of LLMs has spurred increasing…

Computation and Language · Computer Science 2026-04-20 Chenchen Tan , Youyang Qu , Xinghao Li , Hui Zhang , Shujie Cui , Cunjian Chen , Longxiang Gao

As Large Language Models (LLMs) become increasingly prevalent, their security vulnerabilities have already drawn attention. Machine unlearning is introduced to seek to mitigate these risks by removing the influence of undesirable data.…

Machine Learning · Computer Science 2026-01-06 Xiang Zhang , Kun Wei , Xu Yang , Jiahua Li , Su Yan , Cheng Deng

Large language models trained on web-scale corpora can memorize undesirable data containing misinformation, copyrighted material, or private or sensitive information. Recently, several machine unlearning algorithms have been proposed to…

Computation and Language · Computer Science 2025-05-27 Keivan Rezaei , Khyathi Chandu , Soheil Feizi , Yejin Choi , Faeze Brahman , Abhilasha Ravichander

In current AI era, users may request AI companies to delete their data from the training dataset due to the privacy concerns. As a model owner, retraining a model will consume significant computational resources. Therefore, machine…

Machine Learning · Computer Science 2024-05-27 Wenhan Chang , Tianqing Zhu , Heng Xu , Wenjian Liu , Wanlei Zhou

Recent developments in Large Language Model (LLM) capabilities have brought great potential but also posed new risks. For example, LLMs with knowledge of bioweapons, advanced chemistry, or cyberattacks could cause violence if placed in the…

Machine Learning · Computer Science 2025-03-17 Matthew Khoriaty , Andrii Shportko , Gustavo Mercier , Zach Wood-Doughty

Reverse Engineering (RE) is central to software security, enabling tasks such as vulnerability discovery and malware analysis, but it remains labor-intensive and requires substantial expertise. Earlier advances in deep learning start to…

Cryptography and Security · Computer Science 2025-09-29 Xinyu Hu , Zhiwei Fu , Shaocong Xie , Steven H. H. Ding , Philippe Charland

The rapid growth of machine learning has spurred legislative initiatives such as ``the Right to be Forgotten,'' allowing users to request data removal. In response, ``machine unlearning'' proposes the selective removal of unwanted data…

Machine Learning · Computer Science 2023-12-25 Guihong Li , Hsiang Hsu , Chun-Fu Chen , Radu Marculescu

Current unlearning methods for LLMs optimize on the private information they seek to remove by incorporating it into their fine-tuning data. We argue this not only risks reinforcing exposure to sensitive data, but also fundamentally…

Machine Learning · Computer Science 2026-03-03 Yan Scholten , Sophie Xhonneux , Leo Schwinn , Stephan Günnemann

Recent work has demonstrated that machine unlearning in Large Language Models (LLMs) fails to generalize across languages: knowledge erased in one language frequently remains accessible through others. However, the underlying cause of this…

Cryptography and Security · Computer Science 2026-02-27 Taoran Li , Varun Chandrasekaran , Zhiyuan Yu

Large Language Models (LLMs) have shown to be a great success in a wide range of applications ranging from regular NLP-based use cases to AI agents. LLMs have been trained on a vast corpus of texts from various sources; despite the best…

Computation and Language · Computer Science 2024-11-26 Abhinav Joshi , Shaswati Saha , Divyaksh Shukla , Sriram Vema , Harsh Jhamtani , Manas Gaur , Ashutosh Modi

Machine unlearning (MU) seeks to remove knowledge of specific data samples from trained models without the necessity for complete retraining, a task made challenging by the dual objectives of effective erasure of data and maintaining the…

Machine Learning · Computer Science 2024-07-16 Mark He Huang , Lin Geng Foo , Jun Liu

The Unlearning Sensitive Content from Large Language Models task aims to remove targeted datapoints from trained models while minimally affecting their general knowledge. In our work, we leverage parameter-efficient, gradient-based…

Machine unlearning has the potential to improve the safety of large language models (LLMs) by removing sensitive or harmful information post hoc. A key challenge in unlearning involves balancing between forget quality (effectively…

Machine Learning · Computer Science 2025-06-23 Shengyuan Hu , Neil Kale , Pratiksha Thaker , Yiwei Fu , Steven Wu , Virginia Smith

Machine unlearning is a process to remove specific data points from a trained model while maintaining the performance on the retain data, addressing privacy or legal requirements. Despite its importance, existing unlearning evaluations tend…

Machine Learning · Computer Science 2026-01-30 Yongwoo Kim , Sungmin Cha , Donghyun Kim

Large Language Models (LLMs) have transformed natural language processing tasks successfully. Yet, their large size and high computational needs pose challenges for practical use, especially in resource-limited settings. Model compression…

Computation and Language · Computer Science 2024-07-31 Xunyu Zhu , Jian Li , Yong Liu , Can Ma , Weiping Wang

This critical review provides an in-depth analysis of Large Language Models (LLMs), encompassing their foundational principles, diverse applications, and advanced training methodologies. We critically examine the evolution from Recurrent…

Artificial Intelligence · Computer Science 2025-09-29 Milad Moradi , Ke Yan , David Colwell , Matthias Samwald , Rhona Asgari

The past a few years have witnessed the great success of large language models, demonstrating powerful capabilities in comprehending textual data and generating human-like languages. Large language models achieve success by being trained on…

Computation and Language · Computer Science 2025-03-20 Estrid He , Tabinda Sarwar , Ibrahim Khalil , Xun Yi , Ke Wang

Large Language Models (LLMs) are increasingly adopted in healthcare to support clinical decision-making, summarize electronic health records (EHRs), and enhance patient care. However, this integration introduces significant privacy and…

Cryptography and Security · Computer Science 2026-01-16 Mohoshin Ara Tahera , Karamveer Singh Sidhu , Shuvalaxmi Dass , Sajal Saha

Machine Unlearning (MU) aims at removing the influence of specific data from a pretrained model while preserving performance on the remaining data. In this work, a novel perspective for MU is presented upon low-dimensional feature…

Machine Learning · Computer Science 2026-02-02 Kun Fang , Qinghua Tao , Junxu Liu , Yaxin Xiao , Qingqing Ye , Jian Sun , Haibo Hu