diff --git a/packages/opencode/package.json b/packages/opencode/package.json
index d25303df6..4b36e7ada 100644
--- a/packages/opencode/package.json
+++ b/packages/opencode/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "typecheck": "tsc --noEmit",
+    "typecheck": "tsc --noEmit --customConditions development --customConditions browser",
     "dev": "bun run --conditions=development --conditions=browser ./src/index.ts",
     "build": "./script/build.ts"
   },
diff --git a/packages/opencode/src/cli/cmd/opentui/ui/dialog-select.tsx b/packages/opencode/src/cli/cmd/opentui/ui/dialog-select.tsx
index b52952381..b4a9c9f96 100644
--- a/packages/opencode/src/cli/cmd/opentui/ui/dialog-select.tsx
+++ b/packages/opencode/src/cli/cmd/opentui/ui/dialog-select.tsx
@@ -165,7 +165,6 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
 function Option(props: { id: string; title: string; description?: string; active?: boolean; current?: boolean }) {
   return (
     <box
-      // @ts-expect-error
       id={props.id}
       flexDirection="row"
       backgroundColor={props.active ? Theme.primary : RGBA.fromInts(0, 0, 0, 0)}
diff --git a/packages/opencode/src/plugin/index.ts b/packages/opencode/src/plugin/index.ts
index faa506f93..a3b0e3340 100644
--- a/packages/opencode/src/plugin/index.ts
+++ b/packages/opencode/src/plugin/index.ts
@@ -14,7 +14,7 @@ export namespace Plugin {
   const state = Instance.state(async () => {
     const client = createOpencodeClient({
       baseUrl: "http://localhost:4096",
-      // @ts-expect-error
+      // @ts-ignore - fetch type incompatibility
       fetch: async (...args) => Server.App().fetch(...args),
     })
     const config = await Config.get()