diff --git a/shell.nix b/shell.nix
index fa5a4167..499bc4b9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -66,7 +66,7 @@ pkgs.devshell.mkShell {
     {
       name = "store-gc";
       help = "Run NixOS garbage collector";
-      command = "nix-store --gc && sudo nix-collect-garbage -d";
+      command = "nix-store --gc && sudo nix-collect-garbage -d && flatpak uninstall --unused";
     }
     {
       name = "store-optimise";