diff --git a/uniond/uniond.nix b/uniond/uniond.nix
index e2cc86c1f6..2f7b79c823 100644
--- a/uniond/uniond.nix
+++ b/uniond/uniond.nix
@@ -74,7 +74,7 @@
 
           copyToRoot = pkgs.buildEnv {
             name = "image-root";
-            paths = [ pkgs.coreutils-full pkgs.cacert ];
+            paths = [ pkgs.cacert ];
             pathsToLink = [ "/bin" ];
           };
           config = {