"brew tap" does not show anything

[quackerex]

Output of brew config

HOMEBREW_VERSION: 4.3.19-103-g170a7ea
ORIGIN: https://github.com/Homebrew/brew
HEAD: 170a7ea56e14c123df912855171ed5a9a5f76890
Last commit: 6 hours ago
Core tap JSON: 07 Sep 22:54 UTC
Core cask tap JSON: 07 Sep 22:54 UTC
HOMEBREW_PREFIX: /opt/homebrew
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 8
HOMEBREW_SORBET_RUNTIME: set
Homebrew Ruby: 3.3.4 => /opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.3.4_1/bin/ruby
CPU: octa-core 64-bit arm_firestorm_icestorm
Clang: 15.0.0 build 1500
Git: 2.39.3 => /Applications/Xcode.app/Contents/Developer/usr/bin/git
Curl: 8.7.1 => /usr/bin/curl
macOS: 14.6.1-arm64
CLT: 15.3.0.0.1.1708646388
Xcode: 15.4
Rosetta 2: false

Output of brew doctor

Your system is ready to brew.

Description of issue

According to the docs it should show the default taps: homebrew/core and homebrew/cask

When I run brew tap it does not show anything.

[ZhongRuoyu]

What https://docs.brew.sh/Taps#the-brew-tap-command suggests is that brew tap lists all taps that are installed locally on your system. The official homebrew/core and homebrew/cask taps may not necessarily be tapped because brew installs formulae via API by default. (They used to be tapped by default but that was changed quite a while ago.)

[quackerex]

I want to untap from homebrew/cask(to avoid using casks entirely). I assume it's no longer possible?

[carlocab]

You do not need to untap homebrew/cask because you don't have homebrew/cask untapped.