diff --git a/configuration.nix b/configuration.nix
index 1a667c4..89d1faf 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -174,7 +174,6 @@
 
     lsof
 
-    disk-smart-test
     reflac
 
     pfetch-rs
diff --git a/overlays.nix b/overlays.nix
index 38d0f99..faf7429 100644
--- a/overlays.nix
+++ b/overlays.nix
@@ -31,32 +31,6 @@ final: prev: {
     '';
   };
 
-  disk-smart-test = prev.writeShellApplication {
-    name = "disk-smart-test";
-    runtimeInputs = with prev; [
-      gnugrep
-      coreutils
-      smartmontools
-    ];
-
-    text = ''
-      #!/bin/sh
-      set -e
-      if [[ $EUID -ne 0 ]]; then
-        echo "This command requires root."
-        exit 2
-      fi
-
-      for i in /dev/disk/by-id/*; do
-        case "$i" in
-         *\\-part[0-9]*) continue ;;
-        esac
-        echo -n "$i "
-        smartctl -a "$i" | grep "SMART overall-health self-assessment test result:" | cut -d' ' -f6
-      done
-    '';
-  };
-
   reflac = prev.writeShellApplication {
     name = "reflac";
     runtimeInputs = with prev; [ flac ];