diff --git a/devices/pc/default.nix b/devices/pc/default.nix
index 94f7cda6..e0d9a808 100644
--- a/devices/pc/default.nix
+++ b/devices/pc/default.nix
@@ -142,11 +142,10 @@ inputs:
     hardware.nvidia.forceFullCompositionPipeline = true;
     home-manager.users.chn.config.programs.plasma.startup.autoStartScript.xcalib.text =
       "${inputs.pkgs.xcalib}/bin/xcalib -d :0 ${./color/TPLCD_161B_Default.icm}";
-    nixpkgs.overlays = [(final: prev:
+    nixpkgs.overlays = [(final: prev: rec
     {
       blas = prev.blas.override { blasProvider = final.amd-blis; };
       lapack = prev.lapack.override { lapackProvider = final.amd-libflame; };
-      cantor = prev.cantor.override { withSage = false; sage = null; sage-with-env = null; };
     })];
   };
 }
diff --git a/flake.lock b/flake.lock
index f3cb9d2e..1c8493d0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1477,11 +1477,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1707452428,
-        "narHash": "sha256-deSNR0DApSuEWoKe3Xe71z99PDnPcQeqz7AqQg5gagw=",
+        "lastModified": 1707787472,
+        "narHash": "sha256-vt85JbRZRhrhiUzLmRFMDajRiF6gHB3drRWbkf6qZSs=",
         "owner": "CHN-beta",
         "repo": "nixpkgs",
-        "rev": "c5ae0e65ce0777be23184235fa08dea90998551f",
+        "rev": "6cdb11a09e297c47aa0076d511608687864197c9",
         "type": "github"
       },
       "original": {