How to remove missed module

Probably you got error/warning The following module is missing from the file system, No such folder/file

To get list of installed modules

drush pm-list

Drupal 7 using Drush:

drush sql-query "DELETE from system where name = 'old_module1' AND type = 'module';"

Once done clear cache:

drush cc all

Drupal 8 using Drush:

drush sql-query "DELETE FROM key_value WHERE collection='system.schema'
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