diff --git a/packages/opencode/src/plugin/index.ts b/packages/opencode/src/plugin/index.ts
index dbdc857243..4912b8f74b 100644
--- a/packages/opencode/src/plugin/index.ts
+++ b/packages/opencode/src/plugin/index.ts
@@ -48,6 +48,8 @@ export namespace Plugin {
       plugins.push(...BUILTIN)
     }
     for (let plugin of plugins) {
+      // ignore old codex plugin since it is supported first party now
+      if (plugin.includes("opencode-openai-codex-auth")) continue
       log.info("loading plugin", { path: plugin })
       if (!plugin.startsWith("file://")) {
         const lastAtIndex = plugin.lastIndexOf("@")