diff --git a/common/pc/ssd/default.nix b/common/pc/ssd/default.nix
index af0b495..00922e6 100644
--- a/common/pc/ssd/default.nix
+++ b/common/pc/ssd/default.nix
@@ -4,4 +4,6 @@
   boot.kernel.sysctl = {
     "vm.swappiness" = lib.mkDefault 1;
   };
+
+  services.fstrim.enable = lib.mkDefault true;
 }