diff --git a/lib/version-checker.ts b/lib/version-checker.ts
deleted file mode 100644
index 5aed6b1..0000000
--- a/lib/version-checker.ts
+++ /dev/null
@@ -1,84 +0,0 @@
-import { readFileSync } from 'fs'
-import { join, dirname } from 'path'
-import { fileURLToPath } from 'url'
-
-export const PACKAGE_NAME = '@tarquinen/opencode-dcp'
-export const NPM_REGISTRY_URL = `https://registry.npmjs.org/${PACKAGE_NAME}/latest`
-
-const __filename = fileURLToPath(import.meta.url)
-const __dirname = dirname(__filename)
-
-export function getLocalVersion(): string {
-    try {
-        const pkgPath = join(__dirname, '../../package.json')
-        const pkg = JSON.parse(readFileSync(pkgPath, 'utf-8'))
-        return pkg.version
-    } catch {
-        return '0.0.0'
-    }
-}
-
-export async function getNpmVersion(): Promise<string | null> {
-    try {
-        const controller = new AbortController()
-        const timeout = setTimeout(() => controller.abort(), 5000)
-
-        const res = await fetch(NPM_REGISTRY_URL, {
-            signal: controller.signal,
-            headers: { 'Accept': 'application/json' }
-        })
-        clearTimeout(timeout)
-
-        if (!res.ok) return null
-        const data = await res.json() as { version?: string }
-        return data.version ?? null
-    } catch {
-        return null
-    }
-}
-
-export function isOutdated(local: string, remote: string): boolean {
-    const parseVersion = (v: string) => v.split('.').map(n => parseInt(n, 10) || 0)
-    const [localParts, remoteParts] = [parseVersion(local), parseVersion(remote)]
-
-    for (let i = 0; i < Math.max(localParts.length, remoteParts.length); i++) {
-        const l = localParts[i] ?? 0
-        const r = remoteParts[i] ?? 0
-        if (r > l) return true
-        if (l > r) return false
-    }
-    return false
-}
-
-export async function checkForUpdates(client: any, logger?: { info: (component: string, message: string, data?: any) => void }, showToast: boolean = true): Promise<void> {
-    try {
-        const local = getLocalVersion()
-        const npm = await getNpmVersion()
-
-        if (!npm) {
-            logger?.info("version", "Version check skipped", { reason: "npm fetch failed" })
-            return
-        }
-
-        if (!isOutdated(local, npm)) {
-            logger?.info("version", "Up to date", { local, npm })
-            return
-        }
-
-        logger?.info("version", "Update available", { local, npm })
-
-        if (!showToast) {
-            return
-        }
-
-        await client.tui.showToast({
-            body: {
-                title: "DCP: Update available",
-                message: `v${local} → v${npm}\nUse ${PACKAGE_NAME}@latest to auto-update`,
-                variant: "info",
-                duration: 6000
-            }
-        })
-    } catch {
-    }
-}