You may use the following procecure to uninstall the cPanel Dovecot Solr plugin.
The cPanel Solr plugin enables Internet Message Access Protocol (IMAP) Full-Text Search (FTS) Indexing (powered by Apache Solr™), which provides fast search capabilities for IMAP mailboxes. FTS significantly improves the speed and convenience of the search experience for iOS® device, Microsoft Outlook®, Horde, Roundcube, and Mozilla Thunderbird users.
- Login to WHM as the root user
- Navigate to:
Home »cPanel »Manage Plugins
- Click the blue button that says:
Uninstall “Full Text Search Indexing for IMAP powered by Apache Solr™”
With SSH / Command Line / Terminal
- Login via SSH or the Terminal feature in WHM as the root user
- Issue the following command:
This script is documented in more detail here: