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title: 'MIP4c4-SP3: Obsolete MIP Removal (MIP23, MIP28)'
tags: [Summaries]

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tags: Summaries
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# MIP4c4-SP3: Obsolete MIP Removal (MIP23, MIP28)

This is a summary of this proposal and its impact from GovAlpha's perspective:
- This is a valid [MIP4c4: MIP Removal Process](https://mips.makerdao.com/mips/details/MIP4#MIP4c4) subproposal.
- This subproposal aims to remove [MIP23: Domain Structure and Roles](https://mips.makerdao.com/mips/details/MIP23) and [MIP28: Operational Support (OS) Domain Definition](https://mips.makerdao.com/mips/details/MIP28). 
- These MIPs no longer serve a purpose and should be marked as `obsolete`.

***This disclaimer should be included in every summary***

***Disclaimer: These summaries are intended to be a guide and not a source of truth. You remain responsible for any actions you take on the grounds of this information. Please note the date when the summary was last updated to judge accuracy.***

*Updated 2022-11-20*