diff --git a/config/programs/firefox.nix b/config/programs/firefox.nix
index 19d63b18..921248e6 100644
--- a/config/programs/firefox.nix
+++ b/config/programs/firefox.nix
@@ -31,24 +31,6 @@
           "font.name-list.serif.x-western" = "sans-serif, nasin-nanpa";
         };
         id = 0;
-        extensions = with pkgs.nur.repos.rycee.firefox-addons; [
-          clearurls
-          consent-o-matic
-          darkreader
-          decentraleyes
-          don-t-fuck-with-paste
-          keepassxc-browser
-          privacy-badger
-          privacy-possum
-          sponsorblock
-          stylus
-          tree-style-tab
-          ublock-origin
-          umatrix
-          unpaywall
-          plasma-integration
-          tampermonkey
-        ];
       };
     };
   };
diff --git a/flake.lock b/flake.lock
index 08cd7f47..f41d237b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -726,21 +726,6 @@
         "type": "github"
       }
     },
-    "nur": {
-      "locked": {
-        "lastModified": 1703958323,
-        "narHash": "sha256-Hf6djNNhlKNDHQ7Vh/1QmFmdAklWtAfydP6j2edMhB8=",
-        "owner": "nix-community",
-        "repo": "NUR",
-        "rev": "ba98d1482678650833e821f1c63e9082d2d1829e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "NUR",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "admin-fe": "admin-fe",
@@ -766,7 +751,6 @@
         "nixos-hardware": "nixos-hardware",
         "nixos-vscode-server": "nixos-vscode-server",
         "nixpkgs": "nixpkgs",
-        "nur": "nur",
         "rust-overlay": "rust-overlay",
         "sops-nix": "sops-nix",
         "systems": "systems"
diff --git a/flake.nix b/flake.nix
index 2a937186..13cb975b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -118,7 +118,6 @@ rec {
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs.url = "github:NixOS/nixpkgs";
-    nur.url = "github:nix-community/NUR";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.flake-utils.follows = "flake-utils";
@@ -137,7 +136,6 @@ rec {
     nixpkgs,
     sops-nix,
     home-manager,
-    nur,
     ...
   } @ args: let
     systems = [
@@ -161,10 +159,6 @@ rec {
         name = "instance-20221213-1915"; # Oracle server
         system = "aarch64-linux";
       }
-      {
-        name = "vf2"; # VisionFive 2
-        system = "riscv64-linux";
-      }
       {
         name = "rainbow-resort"; # PC
         system = "x86_64-linux";
@@ -193,9 +187,6 @@ rec {
               sops-nix.nixosModules.sops
               home-manager.nixosModules.home-manager
               ({pkgs, ...}: {
-                nixpkgs.overlays = [
-                  nur.overlay
-                ];
                 home-manager.extraSpecialArgs = args // {inherit system;};
               })
               (import utils/link-input.nix args)
@@ -206,7 +197,6 @@ rec {
     overlays = {
       x86_64-linux = import ./overlays args "x86_64-linux";
       aarch64-linux = import ./overlays args "aarch64-linux";
-      riscv64-linux = import ./overlays args "riscv64-linux";
     };
     devShell.x86_64-linux = let
       pkgs = import nixpkgs {
@@ -268,22 +258,6 @@ rec {
         configuration = import ./config/programs/vim/configuration.nix true;
       };
     };
-    packages.riscv64-linux = let
-      pkgs = import nixpkgs {
-        system = "riscv64-linux";
-        overlays = [
-          self.overlays.riscv64-linux
-          (import ./overlays/riscv.nix args)
-          args.nix-packages.overlays.riscv64-linux.default
-        ];
-        config.allowUnfree = true;
-      };
-    in {
-      neovim-base = args.nix-neovim.buildNeovim {
-        inherit pkgs;
-        configuration = import ./config/programs/vim/configuration.nix false;
-      };
-    };
     hydraJobs =
       (builtins.listToAttrs (map
         ({