diff --git a/configuration.nix b/configuration.nix
index aec9268..99302e3 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -73,11 +73,11 @@
     allowReboot = true;
   };
 
-  # Run Nix garbage collector, while avoiding compiling
+  # Run Nix garbage collector
   nix = {
     gc = {
       automatic = true;
-      options = "--delete-older-than 30d";
+      options = "--delete-older-than 14d";
     };
     extraOptions = ''
       keep-outputs = true