diff --git a/nixos/boot/opencore.nix b/nixos/boot/opencore.nix
index fed32d4..c77c59c 100644
--- a/nixos/boot/opencore.nix
+++ b/nixos/boot/opencore.nix
@@ -2,18 +2,17 @@
 
 let
   ocPath = "/boot/EFI/OC";
-  liminePath = "/boot/EFI/limine";
-
-  ocResources = pkgs.fetchzip {
-    url = "https://github.com/acidanthera/OcBinaryData/archive/refs/heads/master.zip";
-    sha256 = "sha256-B5CABp0Y2dAVuw7185suaUuryl3iII4QNBVBttivQ7Y=";
-  };
 
   oceanixPkgs = import pkgs.path {
     inherit (pkgs) system config;
     overlays = [ inputs.oceanix.overlays.default ];
   };
 
+  ocResources = pkgs.fetchzip {
+    url = "https://github.com/acidanthera/OcBinaryData/archive/refs/heads/master.zip";
+    sha256 = "sha256-B5CABp0Y2dAVuw7185suaUuryl3iII4QNBVBttivQ7Y=";
+  };
+
   ocConfig = inputs.oceanix.lib.OpenCoreConfig {
     pkgs = oceanixPkgs;
     modules = [
@@ -26,7 +25,8 @@ let
           Misc.Boot.PickerMode = "External";
           Misc.Boot.PickerVariant = "Acidanthera\\Syrah";
           Misc.Boot.PickerAttributes = 17;
-          Misc.Boot.Timeout = 10;
+          Misc.Boot.Timeout = 5;
+          Misc.Boot.HideAuxiliary = true;
 
           Misc.Security.SecureBootModel = "Disabled";
           Misc.Security.ScanPolicy = 0;
@@ -35,61 +35,44 @@ let
           UEFI.Quirks.ReleaseUsbOwnership = true;
 
           PlatformInfo.Automatic = true;
-          PlatformInfo.Generic.SystemProductName = "MacBookPro16,1";
-          PlatformInfo.Generic.SystemSerialNumber = "C02DF0Y0MD6N";
-          PlatformInfo.Generic.SystemUUID = "5445524E-A59B-4D8B-9B2F-9876543210AB";
-
-          Misc.Entries = [
-            {
-              Name = "Limine";
-              Enabled = true;
-              Path = "PciRoot(0x0)/Pci(0x1f,0x2)/Sata(2,0,0)/HD(1,GPT,73ae5e9a-c31d-4787-9792-ee1843de3e9d,0x800,0x200000)/\\EFI\\limine\\BOOTX64.EFI";
-            }
-          ];
+          PlatformInfo.Generic = {
+            SystemProductName = "MacBookPro9,2";
+            SystemSerialNumber = "C02J19YCDTY3";
+            SystemUUID = "8FF32D62-EC2E-46D1-A6D3-D1A5748F5F7B";
+            MLB = "C02227802QXF1YJ1M";
+          };
 
           UEFI.Drivers = {
             "OpenRuntime.efi" = { Enabled = true; };
             "OpenCanopy.efi" = { Enabled = true; };
-            "OpenLinuxBoot.efi" = { Enabled = true; };
             "OpenUsbKbDxe.efi" = { Enabled = true; };
+            "OpenLinuxBoot.efi" = { Enabled = true; };
           };
+          Misc.Entries = [ ];
         };
       })
     ];
   };
 
-  limineConf = pkgs.writeText "limine.conf" ''
-    TIMEOUT=5
-    GRAPHICS=yes
-    INTERFACE_RESOLUTION=1366x768
-
-    :NixOS (Systemd-Boot)
-        PROTOCOL=chainload
-        PATH=boot:///EFI/systemd/systemd-bootx64.efi
-  '';
-
 in
 {
   system.activationScripts.opencoreConfig = {
     text = ''
-      echo "--- Kopurando In1t ---"
+      echo "--- Kopurando In1t  ---"
       
-      mkdir -p ${liminePath}
-
-      rm -rf ${ocPath}
-      mkdir -p ${ocPath}
-
-      cp -rf ${ocConfig.efiPackage}/EFI/OC/* ${ocPath}/
-
-      mkdir -p ${ocPath}/Resources
-      cp -rf ${ocResources}/Resources/* ${ocPath}/Resources/
-      
-      if [ -f ${pkgs.limine}/share/limine/BOOTX64.EFI ]; then
-        cp -f ${pkgs.limine}/share/limine/BOOTX64.EFI ${liminePath}/BOOTX64.EFI
+      if [ ! -d "${ocPath}" ] || ! ${pkgs.diffutils}/bin/diff -r "${ocConfig.efiPackage}/EFI/OC" "${ocPath}" >/dev/null 2>&1; then
+        echo "diffs are dedected writing EFI files..."
+        
+        rm -rf ${ocPath}
+        mkdir -p ${ocPath}
+        cp -rf ${ocConfig.efiPackage}/EFI/OC/* ${ocPath}/
+        
+        mkdir -p ${ocPath}/Resources
+        cp -rf ${ocResources}/Resources/* ${ocPath}/Resources/
+      else
+        echo "EFI is already up to date."
       fi
       
-      cp -f ${limineConf} ${liminePath}/limine.conf
-
       if ! ${pkgs.efibootmgr}/bin/efibootmgr | grep -q "OpenCore_Copland"; then
         ${pkgs.efibootmgr}/bin/efibootmgr -c -d /dev/sda -p 1 -L "OpenCore_Copland" -l "\EFI\OC\OpenCore.efi"
       fi