diff --git a/crates/zed/src/languages.rs b/crates/zed/src/languages.rs
index 8dc37a3afe..2937d05516 100644
--- a/crates/zed/src/languages.rs
+++ b/crates/zed/src/languages.rs
@@ -3,12 +3,11 @@ pub use language::*;
 use lazy_static::lazy_static;
 use rust_embed::RustEmbed;
 use std::{borrow::Cow, str, sync::Arc};
-// use util::ResultExt;
+use util::ResultExt;
 
 mod c;
 mod go;
 mod installation;
-mod json;
 mod language_plugin;
 mod python;
 mod rust;
@@ -34,7 +33,7 @@ lazy_static! {
         .collect();
 }
 
-pub async fn init(languages: Arc<LanguageRegistry>, _executor: Arc<Background>) {
+pub async fn init(languages: Arc<LanguageRegistry>, executor: Arc<Background>) {
     for (name, grammar, lsp_adapter) in [
         (
             "c",
@@ -54,12 +53,10 @@ pub async fn init(languages: Arc<LanguageRegistry>, _executor: Arc<Background>)
         (
             "json",
             tree_sitter_json::language(),
-            Some(CachedLspAdapter::new(json::JsonLspAdapter).await),
-            // TODO: switch back to plugin
-            // match language_plugin::new_json(executor).await.log_err() {
-            //     Some(lang) => Some(CachedLspAdapter::new(lang).await),
-            //     None => None,
-            // },
+            match language_plugin::new_json(executor).await.log_err() {
+                Some(lang) => Some(CachedLspAdapter::new(lang).await),
+                None => None,
+            },
         ),
         (
             "markdown",
diff --git a/crates/zed/src/languages/json.rs b/crates/zed/src/languages/json.rs
deleted file mode 100644
index 7b6569d336..0000000000
--- a/crates/zed/src/languages/json.rs
+++ /dev/null
@@ -1,106 +0,0 @@
-use super::installation::{npm_install_packages, npm_package_latest_version};
-use anyhow::{anyhow, Context, Result};
-use async_trait::async_trait;
-use client::http::HttpClient;
-use collections::HashMap;
-use futures::StreamExt;
-use language::{LanguageServerName, LspAdapter};
-use serde_json::json;
-use smol::fs;
-use std::{any::Any, path::PathBuf, sync::Arc};
-use util::ResultExt;
-
-pub struct JsonLspAdapter;
-
-impl JsonLspAdapter {
-    const BIN_PATH: &'static str =
-        "node_modules/vscode-json-languageserver/bin/vscode-json-languageserver";
-}
-
-#[async_trait]
-impl LspAdapter for JsonLspAdapter {
-    async fn name(&self) -> LanguageServerName {
-        LanguageServerName("vscode-json-languageserver".into())
-    }
-
-    async fn server_args(&self) -> Vec<String> {
-        vec!["--stdio".into()]
-    }
-
-    async fn fetch_latest_server_version(
-        &self,
-        _: Arc<dyn HttpClient>,
-    ) -> Result<Box<dyn 'static + Any + Send>> {
-        Ok(Box::new(npm_package_latest_version("vscode-json-languageserver").await?) as Box<_>)
-    }
-
-    async fn fetch_server_binary(
-        &self,
-        version: Box<dyn 'static + Send + Any>,
-        _: Arc<dyn HttpClient>,
-        container_dir: PathBuf,
-    ) -> Result<PathBuf> {
-        let version = version.downcast::<String>().unwrap();
-        let version_dir = container_dir.join(version.as_str());
-        fs::create_dir_all(&version_dir)
-            .await
-            .context("failed to create version directory")?;
-        let binary_path = version_dir.join(Self::BIN_PATH);
-
-        if fs::metadata(&binary_path).await.is_err() {
-            npm_install_packages(
-                [("vscode-json-languageserver", version.as_str())],
-                &version_dir,
-            )
-            .await?;
-
-            if let Some(mut entries) = fs::read_dir(&container_dir).await.log_err() {
-                while let Some(entry) = entries.next().await {
-                    if let Some(entry) = entry.log_err() {
-                        let entry_path = entry.path();
-                        if entry_path.as_path() != version_dir {
-                            fs::remove_dir_all(&entry_path).await.log_err();
-                        }
-                    }
-                }
-            }
-        }
-
-        Ok(binary_path)
-    }
-
-    async fn cached_server_binary(&self, container_dir: PathBuf) -> Option<PathBuf> {
-        (|| async move {
-            let mut last_version_dir = None;
-            let mut entries = fs::read_dir(&container_dir).await?;
-            while let Some(entry) = entries.next().await {
-                let entry = entry?;
-                if entry.file_type().await?.is_dir() {
-                    last_version_dir = Some(entry.path());
-                }
-            }
-            let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
-            let bin_path = last_version_dir.join(Self::BIN_PATH);
-            if bin_path.exists() {
-                Ok(bin_path)
-            } else {
-                Err(anyhow!(
-                    "missing executable in directory {:?}",
-                    last_version_dir
-                ))
-            }
-        })()
-        .await
-        .log_err()
-    }
-
-    async fn initialization_options(&self) -> Option<serde_json::Value> {
-        Some(json!({
-            "provideFormatter": true
-        }))
-    }
-
-    async fn language_ids(&self) -> HashMap<String, String> {
-        [("JSON".into(), "jsonc".into())].into_iter().collect()
-    }
-}
diff --git a/crates/zed/src/languages/language_plugin.rs b/crates/zed/src/languages/language_plugin.rs
index bd9a9d005f..8f87b03908 100644
--- a/crates/zed/src/languages/language_plugin.rs
+++ b/crates/zed/src/languages/language_plugin.rs
@@ -9,7 +9,6 @@ use plugin_runtime::{Plugin, PluginBinary, PluginBuilder, WasiFn};
 use std::{any::Any, path::PathBuf, sync::Arc};
 use util::ResultExt;
 
-#[allow(dead_code)]
 pub async fn new_json(executor: Arc<Background>) -> Result<PluginLspAdapter> {
     let plugin = PluginBuilder::new_default()?
         .host_function_async("command", |command: String| async move {