The main purpose of this study is to develop a model of strategic unlearning of sharing knowledge in Iranian state-owned banks. This qualitative study is developmental in terms of purpose. In the first part of this research, the content related to the concepts of unlearning and strategy were extracted from library sources. The second part refers to the interview process with 21 managers, executives, and experts conducted in the winter of 2021. The statistical population of the research includes experts of the university department who have published at least two articles in the field of unlearning and related research plan. Besides, the population in the executive part includes people with a university degree, who have at least 4 years of work experience in the field of bank education. Judgmental sampling was implemented based on the professors and experts’ opinion in this field and continued until the theoretical saturation was achieved. Then, the interviews were analyzed using Atlas ti8 software. Findings led to the identification of 11 components, 18 indicators, and 76 selected codes. The results also indicated that some components, such as employee development, management, economics, knowledge management, education, organizational, legal, marketing, cultural, consolidation and rigidity, and unlearning are essential in strategic unlearning of Iranian state-owned banks.