diff --git a/modules/ruby.nix b/modules/ruby.nix
index f0ea2b2..b8ef2bd 100644
--- a/modules/ruby.nix
+++ b/modules/ruby.nix
@@ -4,23 +4,6 @@
   # No Ruby toolchain here: per-project Ruby comes from nix devshells via direnv.
   home.sessionVariables.DISABLE_SPRING = "true";
 
-  # Exec the bundle binary directly, not `open -a`: LaunchServices would drop
-  # the devenv shell environment RubyMine needs to resolve the Ruby toolchain.
-  programs.fish.functions.rubymine = ''
-    set --local bin /Applications/RubyMine.app/Contents/MacOS/rubymine
-
-    if not test -x $bin
-        echo "rubymine: $bin not found" >&2
-        return 1
-    end
-
-    set --local target $argv
-    test (count $target) -eq 0; and set target .
-
-    $bin $target >/dev/null 2>&1 &
-    disown
-  '';
-
   home.file.".gemrc".text = "gem: --no-document\n";
 
   home.file.".irbrc".text = ''