diff --git a/npins/sources.json b/npins/sources.json
index 6544c9c..9762283 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -105,8 +105,8 @@
     "nixos-23.11": {
       "type": "Channel",
       "name": "nixos-23.11",
-      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.750.7c4c20509c43/nixexprs.tar.xz",
-      "hash": "1gla4s4jmzyhxkp60d8vak5ia87ry89bc8s4mrirasd46lj8wqc6"
+      "url": "https://releases.nixos.org/nixos/23.11/nixos-23.11.1494.b4372c4924d9/nixexprs.tar.xz",
+      "hash": "0bisbm1081zyhicnc3hjmc04gq99lb60m1h4wpxb2jbmxmq1c3gz"
     },
     "nixos-python": {
       "type": "Git",
diff --git a/patches/default.nix b/patches/default.nix
index f5bd53a..d07597a 100644
--- a/patches/default.nix
+++ b/patches/default.nix
@@ -1,7 +1,5 @@
 {
   "nixos-23.11" = [
-    # [Backport release-23.11] zfs_2_1: init at 2.1.13
-    { id = 270117; hash = "sha256-In3sogw/8TGYQQFCeBvdljANR0ZLng4magQ/4uyVy1A="; }
     { id = 241542; revert = true; hash = "sha256-uiRokmJewTLURuQkPWRfb3jgxjaDwfkXntj8PWk6pi8="; }
 
     # castopod: 1.6.4 -> 1.7.0 + ajout du support de loadcredentials