diff --git a/completions/bash/brew b/completions/bash/brew
index b742579eec..8ad928c93c 100644
--- a/completions/bash/brew
+++ b/completions/bash/brew
@@ -1882,12 +1882,10 @@ _brew_tap() {
       __brewcomp "
       --debug
       --force-auto-update
-      --full
       --help
       --list-pinned
       --quiet
       --repair
-      --shallow
       --verbose
       "
       return
diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index b71c079f23..797c6f4ea7 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -1266,12 +1266,10 @@ __fish_brew_complete_arg 'style; and not __fish_seen_argument -l formula -l form
 __fish_brew_complete_cmd 'tap' 'Tap a formula repository'
 __fish_brew_complete_arg 'tap' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'tap' -l force-auto-update -d 'Auto-update tap even if it is not hosted on GitHub. By default, only taps hosted on GitHub are auto-updated (for performance reasons)'
-__fish_brew_complete_arg 'tap' -l full -d 'Convert a shallow clone to a full clone without untapping. Taps are only cloned as shallow clones if `--shallow` was originally passed'
 __fish_brew_complete_arg 'tap' -l help -d 'Show this message'
 __fish_brew_complete_arg 'tap' -l list-pinned -d 'List all pinned taps'
 __fish_brew_complete_arg 'tap' -l quiet -d 'Make some output more quiet'
 __fish_brew_complete_arg 'tap' -l repair -d 'Migrate tapped formulae from symlink-based to directory-based structure'
-__fish_brew_complete_arg 'tap' -l shallow -d 'Fetch tap as a shallow clone rather than a full clone. Useful for continuous integration'
 __fish_brew_complete_arg 'tap' -l verbose -d 'Make some output more verbose'
 __fish_brew_complete_arg 'tap' -a '(__fish_brew_suggest_taps_installed)'
 
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index fe36e5cc0e..7d2cc3cf52 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -1557,12 +1557,10 @@ _brew_tap() {
   _arguments \
     '--debug[Display any debugging information]' \
     '--force-auto-update[Auto-update tap even if it is not hosted on GitHub. By default, only taps hosted on GitHub are auto-updated (for performance reasons)]' \
-    '--full[Convert a shallow clone to a full clone without untapping. Taps are only cloned as shallow clones if `--shallow` was originally passed]' \
     '--help[Show this message]' \
     '--list-pinned[List all pinned taps]' \
     '--quiet[Make some output more quiet]' \
     '--repair[Migrate tapped formulae from symlink-based to directory-based structure]' \
-    '--shallow[Fetch tap as a shallow clone rather than a full clone. Useful for continuous integration]' \
     '--verbose[Make some output more verbose]' \
     - tap \
     '*::tap:__brew_any_tap'