snapd remove

Steps to completely remove snapd from Ubuntu:

1. Launch terminal.

2. List installed snap packages.

   $ snap list
   Name               Version                     Rev   Tracking         Publisher   Notes
   chromium           85.0.4183.102               1298  latest/stable    canonical✓  -
   core18             20200724                    1885  latest/stable    canonical✓  base
   gnome-3-28-1804    3.28.0-17-gde3d74c.de3d74c  128   latest/stable    canonical✓  -
   gnome-3-34-1804    0+git.3009fc7               36    latest/stable/…  canonical✓  -
   gtk-common-themes  0.1-36-gc75f853             1506  latest/stable/…  canonical✓  -
   snap-store         3.36.0-80-g208fd61          467   latest/stable/…  canonical✓  -
   snapd              2.45.3.1                    8790  latest/stable    canonical✓  snapd

3. Remove installed snap packages (optional).

   $ sudo snap remove chromium snap-store 
   [sudo] password for user: 
   2020-09-11T17:31:08+08:00 INFO Waiting for conflicting change in progress...
   chromium removed
   snap-store removed

4. Stop snapd service.

   $ sudo systemctl stop snapd
   Warning: Stopping snapd.service, but it can still be activated by:
     snapd.socket

5. Uninstall snapd using apt.

   $ sudo apt remove --purge --assume-yes snapd gnome-software-plugin-snap
   Reading package lists... Done
   Building dependency tree       
   Reading state information... Done
   Package 'gnome-software-plugin-snap' is not installed, so not removed
   The following packages will be REMOVED:
     snapd*
   0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
   After this operation, 120 MB disk space will be freed.
   (Reading database ... 185414 files and directories currently installed.)
   Removing snapd (2.45.1+20.04.2)

6. Remove user snap directory.

   $ rm -rf ~/snap/

7. Remove cache directory for snapd.

   $ sudo rm -rf /var/cache/snapd/