diff --git a/modules/darwin/default.nix b/modules/darwin/default.nix
index b58f209..34ce80d 100644
--- a/modules/darwin/default.nix
+++ b/modules/darwin/default.nix
@@ -72,10 +72,7 @@ in {
           { name = "discord"; }
           { name = "betterdiscord-installer"; }
           { name = "signal"; }
-          { name = "zulip"; }
-          { name = "zoom"; }
-          { name = "element"; }
-          { name = "microsoft-teams"; }
+          { name = "mattermost"; }
         ])
         # Unconditionally install our keep awake tool
         [{ name = "keepingyouawake"; }]