I install package libasound2-plugin-equal and it pulls also caps. I remove package libasound2-plugin-equal, but it does not remove caps.

root@devuan:~# apt install libasound2-plugin-equal
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
  caps
The following NEW packages will be installed:
  caps libasound2-plugin-equal
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 230 kB of archives.
After this operation, 632 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://deb.devuan.org/merged daedalus/main amd64 caps amd64 0.9.26-1 [215 kB]
Get:2 http://deb.devuan.org/merged daedalus/main amd64 libasound2-plugin-equal amd64 0.6-8 [14.9 kB]
Fetched 230 kB in 1s (211 kB/s)               
Selecting previously unselected package caps.
(Reading database ... 268554 files and directories currently installed.)
Preparing to unpack .../caps_0.9.26-1_amd64.deb ...
Unpacking caps (0.9.26-1) ...
Selecting previously unselected package libasound2-plugin-equal:amd64.
Preparing to unpack .../libasound2-plugin-equal_0.6-8_amd64.deb ...
Unpacking libasound2-plugin-equal:amd64 (0.6-8) ...
Setting up caps (0.9.26-1) ...
Setting up libasound2-plugin-equal:amd64 (0.6-8) ...
root@devuan:~# 
root@devuan:~# 
root@devuan:~# apt remove libasound2-plugin-equal
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages will be REMOVED:
  libasound2-plugin-equal
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
After this operation, 72.7 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 268570 files and directories currently installed.)
Removing libasound2-plugin-equal:amd64 (0.6-8) ...
root@devuan:~# 
root@devuan:~# 
root@devuan:~# apt autoremove
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@devuan:~# 

autoremove does not help. Why here autoremove cannot see caps?