diff --git a/nixos/roles/nix.nix b/nixos/roles/nix.nix
index 965143e..77d110f 100644
--- a/nixos/roles/nix.nix
+++ b/nixos/roles/nix.nix
@@ -11,14 +11,10 @@
       builders-use-substitutes = true;
     };
     gc = {
-      persistent = true;
+      persistent = false;
       dates = "weekly";
       options = "-d";
       randomizedDelaySec = "5h";
     };
-    optimise = {
-      dates = [];
-      automatic = true;
-    };
   };
 }