diff --git a/dotfiles/starship.toml b/dotfiles/starship.toml
index 3f9a86e..383e9c7 100644
--- a/dotfiles/starship.toml
+++ b/dotfiles/starship.toml
@@ -28,3 +28,6 @@ format = "[$hostname]($style) "
 
 [git_branch]
 format = "[$symbol$branch]($style)"
+
+[character]
+use_symbol_for_status = false
diff --git a/roles/dev.nix b/roles/dev.nix
index c1cc8ee..d046695 100644
--- a/roles/dev.nix
+++ b/roles/dev.nix
@@ -16,7 +16,6 @@ in {
 
     nodePackages.pyright
     (python39.withPackages(python-packages: with python-packages; [
-      black
       pyyaml
       requests
     ]))
diff --git a/roles/mail.nix b/roles/mail.nix
index 8e834c5..403cfd3 100644
--- a/roles/mail.nix
+++ b/roles/mail.nix
@@ -6,10 +6,7 @@ in {
   environment.systemPackages = with pkgs; [
     astroid
     isync
-    khal
     msmtp
     notmuch
-    thunderbird
-    vdirsyncer
   ];
 }