diff --git a/hosts/cap-nr200p/configuration.nix b/hosts/cap-nr200p/configuration.nix
index a9cdbe1..5af509f 100644
--- a/hosts/cap-nr200p/configuration.nix
+++ b/hosts/cap-nr200p/configuration.nix
@@ -302,6 +302,8 @@
     nixupdate = "cd /etc/nixos && sudo nix flake update && sudo nixos-rebuild switch --flake .#$(hostname)";
     nixedit = "sudo nano /etc/nixos/hosts/$(hostname)/configuration.nix";
 
+    nixlimitfive = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system | head -n -5 | cut -d ' ' -f2 | xargs -I {} sudo nix-env --delete-generations --profile /nix/var/nix/profiles/system {}";
+
     scrwebcam = "sudo pkill scrcpy ; sudo modprobe -r v4l2loopback ; sudo modprobe v4l2loopback && nohup scrcpy --camera-facing=back --video-source=camera --v4l2-sink=/dev/video0 --no-window --no-audio-playback 2>&1 1>/dev/null";
   };
 
diff --git a/hosts/cap-slim7/configuration.nix b/hosts/cap-slim7/configuration.nix
index ddb74c4..c5ee952 100644
--- a/hosts/cap-slim7/configuration.nix
+++ b/hosts/cap-slim7/configuration.nix
@@ -266,6 +266,8 @@
     nixrebuild = "pushd /etc/nixos && { trap 'popd' EXIT; sudo nixos-rebuild switch --flake .#$(hostname); }";
     nixupdate = "cd /etc/nixos && sudo nix flake update && sudo nixos-rebuild switch --flake .#$(hostname)";
     nixedit = "sudo nano /etc/nixos/hosts/$(hostname)/configuration.nix";
+
+    nixlimitfive = "sudo nix-env --list-generations --profile /nix/var/nix/profiles/system | head -n -5 | cut -d ' ' -f2 | xargs -I {} sudo nix-env --delete-generations --profile /nix/var/nix/profiles/system {}";
   };
 
   #programs.appimage = {