I installed a module/extension but it does not work well for our needs.

I want to completely delete the module with all its footprints.

I removed the following:

  1. code pool - deleted the folder related to that module under community folder,

  2. deleted design files at design/frontend and design/adminhtml,

  3. deleted email template files of that module at locale//template/email/,

  4. deleted Namespace_ModuleName.xml at etc/modules folder,

  5. removed configuration variable values of that module at core_config_data table,

  6. deleted module entry at core_resource table,

  7. deleted all tables created by that module by looking sql file of the module

what else I need to remove to uninstall the module completely

Am I doing correct or is there any other standard way to uninstall magento extentsion ?

1 Answer 1


Here's the personal list I made up over the years:

  • app/code/<codePool> folder
  • app/etc/modules file
  • app/locale translation and email files
  • app/design layout and template files
  • js libraries
  • lib libraries
  • skin js, css and images files
  • shell scripts
  • extra non native folders

Regarding database:

  • Tables created by the module
  • core_config_data entries
  • core_resource entry
  • Possible extra columns added to native Magento tables
  • Possible attributes added to native Magento entities (this is a very important one, especially if a backend model is used, removing the files without removing the attribute could potentially break the websote)

One useful module I use to properly uninstall my personal modules is https://github.com/magento-hackathon/MageTrashApp it lets you create uninstall scripts for both files and database for your modules then you can uninstall them from the backend.

  • @rapheal how to find the "Possible attributes added to native Magento entities" Jul 7, 2016 at 9:47
  • @manokarthickkarthick well you'll have to check the sql install scripts of the module to find out Jul 7, 2016 at 9:48
  • @rapheal leaving the attributes will crash all the pages of the system? what are the pages? Jul 7, 2016 at 9:50
  • @manokarthickkarthick well it will only crash if a backend model is linked to the attribute (as the file of the backend model has been deleted). For the pages it depends, if it's a product attribute it may crash category and product pages, if it's a customer attribute it may crash customer pages etc... Jul 7, 2016 at 9:51

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