diff --git a/fish/functions/fbrew.fish b/fish/functions/fbrew.fish
index 0437ea1..bccb9b4 100644
--- a/fish/functions/fbrew.fish
+++ b/fish/functions/fbrew.fish
@@ -31,7 +31,7 @@ function fbrew --description "Fuzzy homebrew"
             echo "Reticulating splines..."
 
             # Output is multiline with format "pkgname:" if no dependencies, otherwise "pkgname: dep1 dep2 dep3 ..."
-            set --local brew_deps_installed (string collect (brew deps --installed))
+            set --local brew_deps_installed (brew deps --installed)
 
             # Accumulate packages and their dependencies
             set --local uninst_pkgs_all $uninst_pkgs
diff --git a/fish/functions/fish_colors_check.fish b/fish/functions/fish_colors_check.fish
index dbd84ac..5ac2ca1 100644
--- a/fish/functions/fish_colors_check.fish
+++ b/fish/functions/fish_colors_check.fish
@@ -8,8 +8,8 @@ function fish_colors_check --description 'Validate the fish color variables' --a
         return 2
     end
 
-    set --local allcolors (string collect (rg --no-line-number --no-filename --only-matching 'fish(?:_pager)?_color[a-z_]*[a-z]+' $fish_srcdir | sort | uniq))
-    set --local setcolors (string collect (set --names | string match 'fish*_color*'))
+    set --local allcolors (rg --no-line-number --no-filename --only-matching 'fish(?:_pager)?_color[a-z_]*[a-z]+' $fish_srcdir | sort | uniq)
+    set --local setcolors (set --names | string match 'fish*_color*')
 
     set --local missingcolors
     set --local unknowncolors
diff --git a/install/install-brew-extra.fish b/install/install-brew-extra.fish
index a3eccde..8164aad 100755
--- a/install/install-brew-extra.fish
+++ b/install/install-brew-extra.fish
@@ -3,7 +3,7 @@
 # TODO: how to handle other taps (especially an issue for casks)
 
 function _install_extra_brews --argument-names favorite_brews
-    set --local brew_pkgs_installed (string collect (brew list))
+    set --local brew_pkgs_installed (brew list --formula -1)
     set --local brew_pkgs_options
     for brew_pkg in (cat $favorite_brews)
         if not contains -- $brew_pkg $brew_pkgs_installed
@@ -18,7 +18,7 @@ function _install_extra_brews --argument-names favorite_brews
 end
 
 function _install_extra_casks --argument-names favorite_casks
-    set --local brew_casks_installed (string collect (brew list --cask))
+    set --local brew_casks_installed (brew list --cask -1)
     set --local brew_casks_options
     for brew_cask in (cat $favorite_casks)
         if not contains -- $brew_cask $brew_casks_installed