diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index d26fd772..6b072507 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -115,9 +115,6 @@
 - Add [hunk.nvim], Neovim plugin & tool for splitting diffs in Neovim. Available
   as `vim.git.hunk-nvim`
 
-- Move `crates.nvim` into `languages.rust.extensions and support` `setupOpts`
-  for the plugin. Deprecates the top level "crates" option in `languages.rust`.
-
 [sjcobb2022](https://github.com/sjcobb2022):
 
 - Migrate all current lsp configurations to `vim.lsp.server` and remove internal
@@ -304,7 +301,6 @@
   `helmfile`s when both are enabled.
 - Fix YAML language module not activating LSP keybinds if the Helm language
   module was also enabled.
-- Fix `json` language module (default) language server not activating.
 
 [TheColorman](https://github.com/TheColorman):
 
diff --git a/modules/plugins/languages/json.nix b/modules/plugins/languages/json.nix
index 938ecedc..26349710 100644
--- a/modules/plugins/languages/json.nix
+++ b/modules/plugins/languages/json.nix
@@ -17,7 +17,7 @@
   defaultServers = ["jsonls"];
   servers = {
     jsonls = {
-      cmd = [(getExe' pkgs.vscode-langservers-extracted "vscode-json-language-server") "--stdio"];
+      cmd = [(getExe' pkgs.vscode-langservers-extracted "vscode-json-languageserver") "--stdio"];
       filetypes = ["json" "jsonc"];
       init_options = {provideFormatter = true;};
       root_markers = [".git"];
diff --git a/modules/plugins/languages/rust.nix b/modules/plugins/languages/rust.nix
index 6e9a2457..17a82a40 100644
--- a/modules/plugins/languages/rust.nix
+++ b/modules/plugins/languages/rust.nix
@@ -4,15 +4,16 @@
   lib,
   ...
 }: let
+  inherit (builtins) attrNames;
   inherit (lib.meta) getExe;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.options) mkOption mkEnableOption literalMD;
   inherit (lib.strings) optionalString;
+  inherit (lib.trivial) boolToString;
   inherit (lib.lists) isList;
-  inherit (lib.attrsets) attrNames;
   inherit (lib.types) bool package str listOf either enum;
-  inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption;
-  inherit (lib.nvim.lua) expToLua toLuaObject;
+  inherit (lib.nvim.types) mkGrammarOption;
+  inherit (lib.nvim.lua) toLuaObject;
   inherit (lib.nvim.dag) entryAfter entryAnywhere;
 
   cfg = config.vim.languages.rust;
@@ -32,6 +33,15 @@ in {
       package = mkGrammarOption pkgs "rust";
     };
 
+    crates = {
+      enable = mkEnableOption "crates-nvim, tools for managing dependencies";
+      codeActions = mkOption {
+        description = "Enable code actions through null-ls";
+        type = bool;
+        default = true;
+      };
+    };
+
     lsp = {
       enable = mkEnableOption "Rust LSP support (rust-analyzer with extra tools)" // {default = config.vim.lsp.enable;};
       package = mkOption {
@@ -93,32 +103,25 @@ in {
         default = pkgs.lldb;
       };
     };
-
-    extensions = {
-      crates-nvim = {
-        enable = mkEnableOption "crates.io dependency management [crates-nvim]";
-
-        setupOpts = mkPluginSetupOption "crates-nvim" {
-          completion.enable = mkOption {
-            type = bool;
-            default = config.vim.autocomplete.nvim-cmp.enable;
-            defaultText = "{option}`config.vim.autocomplete.nvim-cmp.enable`";
-            description = ''
-              Whether to add crates.nvim as a source for completion plugins. The following
-              plugins are supported by crates.nvim:
-
-              * nvim-cmp
-              * coq.nvim
-
-              However nvf only supports auto-setup for nvim-cmp.
-            '';
-          };
-        };
-      };
-    };
   };
 
   config = mkIf cfg.enable (mkMerge [
+    (mkIf cfg.crates.enable {
+      vim = {
+        startPlugins = ["crates-nvim"];
+        lsp.null-ls.enable = mkIf cfg.crates.codeActions true;
+        autocomplete.nvim-cmp.sources = {crates = "[Crates]";};
+        pluginRC.rust-crates = entryAnywhere ''
+          require('crates').setup {
+            null_ls = {
+              enabled = ${boolToString cfg.crates.codeActions},
+              name = "crates.nvim",
+            }
+          }
+        '';
+      };
+    })
+
     (mkIf cfg.treesitter.enable {
       vim.treesitter.enable = true;
       vim.treesitter.grammars = [cfg.treesitter.package];
@@ -137,6 +140,7 @@ in {
     (mkIf (cfg.lsp.enable || cfg.dap.enable) {
       vim = {
         startPlugins = ["rustaceanvim"];
+
         pluginRC.rustaceanvim = entryAfter ["lsp-setup"] ''
           vim.g.rustaceanvim = {
           ${optionalString cfg.lsp.enable ''
@@ -149,14 +153,13 @@ in {
             server = {
               cmd = ${
               if isList cfg.lsp.package
-              then expToLua cfg.lsp.package
+              then toLuaObject cfg.lsp.package
               else ''{"${cfg.lsp.package}/bin/rust-analyzer"}''
             },
               default_settings = {
                 ${cfg.lsp.opts}
               },
               on_attach = function(client, bufnr)
-                default_on_attach(client, bufnr)
                 local opts = { noremap=true, silent=true, buffer = bufnr }
                 vim.keymap.set("n", "<localleader>rr", ":RustLsp runnables<CR>", opts)
                 vim.keymap.set("n", "<localleader>rp", ":RustLsp parentModule<CR>", opts)
@@ -195,28 +198,5 @@ in {
         '';
       };
     })
-
-    (mkIf cfg.extensions.crates-nvim.enable {
-      vim = let
-        withCompletion = cfg.extensions.crates-nvim.withCmpSource;
-      in
-        mkMerge [
-          {
-            startPlugins = ["crates-nvim"];
-            pluginRC.rust-crates = entryAnywhere ''
-              require("crates").setup(${toLuaObject cfg.extensions.crates-nvim.setupOpts})
-            '';
-          }
-
-          # FIXME: this will not be necessary once crates.nvim creates a new release that
-          # ships improvements to the in-progress LSP module. If updating > 0.7.1, remember
-          # to update this section.
-          # See:
-          #  <https://github.com/saecki/crates.nvim/wiki/Documentation-unstable#auto-completion>
-          (mkIf withCompletion {
-            autocomplete.nvim-cmp.sources = {crates = "[Crates]";};
-          })
-        ];
-    })
   ]);
 }