diff --git a/nixos/tests/cosmic.nix b/nixos/tests/cosmic.nix
index 0f244611af25..3d2b838ab66e 100644
--- a/nixos/tests/cosmic.nix
+++ b/nixos/tests/cosmic.nix
@@ -42,8 +42,6 @@
       # infrastructure.
       jq
       lswt
-
-      cosmic-reader
     ];
 
     # So far, all COSMIC tests launch a few GUI applications. In doing