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 - [2.4 Lock Prefs](https://github.com/ghacksuserjs/ghacks-user.js/wiki/2.4-Lock-Prefs)
 
 ### :small_orange_diamond: Further Hardening
+- [B: Extensions](https://github.com/ghacksuserjs/ghacks-user.js/wiki/Appendix-B:-Extensions)
 - [3.1 User Scripts](https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.1-User-Scripts)
 - [3.3 uBlock Origin](https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-uBlock-Origin)
 - [3.5 Request Control](https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.5-Request-Control)
-
-### :small_orange_diamond: Search
 - [4.1 Search Engines](https://github.com/ghacksuserjs/ghacks-user.js/wiki/4.1-Search-Engines)
-- [4.2 Sanitizing](https://github.com/ghacksuserjs/ghacks-user.js/wiki/4.2-Sanitizing)
 
 ### :small_orange_diamond: Appendix
-- [B: Extensions](https://github.com/ghacksuserjs/ghacks-user.js/wiki/Appendix-B:-Extensions)
 - [C: Test Sites](https://github.com/ghacksuserjs/ghacks-user.js/wiki/Appendix-C:-Test-Sites)
 - [D: References](https://github.com/ghacksuserjs/ghacks-user.js/wiki/Appendix-D:-References)
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