diff --git a/.env.local.template b/.env.local.template
index 8685f47..b57b77b 100644
--- a/.env.local.template
+++ b/.env.local.template
@@ -38,6 +38,3 @@ VORTEX_AUTHZ_WORKFLOW_ID=""
 # entitlements
 BILLING_SERVICE_API_KEY=""
 BILLING_WEBHOOK_SECRET=""
-
-# feature flags
-FLAGS_CLIENT_KEY=
diff --git a/.env.production b/.env.production
index fc9f7ab..efeb8c2 100644
--- a/.env.production
+++ b/.env.production
@@ -6,6 +6,3 @@ BILLING_BASE_URL="https://api.billing.omni.dev"
 # authz
 AUTHZ_PROVIDER_URL="https://api.access.omni.dev"
 AUTHZ_ENABLED="true"
-
-# feature flags
-FLAGS_API_HOST=https://flags.omni.dev/api
diff --git a/src/lib/config/env.config.ts b/src/lib/config/env.config.ts
index ee80fb5..16cb064 100644
--- a/src/lib/config/env.config.ts
+++ b/src/lib/config/env.config.ts
@@ -30,9 +30,6 @@ export const {
   VORTEX_API_KEY,
   // Service key for AuthZ API (service-to-service auth)
   AUTHZ_SERVICE_KEY,
-  // Feature flags
-  FLAGS_API_HOST,
-  FLAGS_CLIENT_KEY,
   // Build metadata
   BUILD_VERSION,
   // Meilisearch (unified search)
@@ -84,8 +81,6 @@ if (!VORTEX_API_KEY)
   console.warn("VORTEX_API_KEY not set, event streaming auth disabled");
 if (!AUTHZ_SERVICE_KEY)
   console.warn("AUTHZ_SERVICE_KEY not set, AuthZ service auth disabled");
-if (!FLAGS_API_HOST)
-  console.warn("FLAGS_API_HOST not set, feature flags disabled");
 if (!MEILISEARCH_URL) console.warn("MEILISEARCH_URL not set, search disabled");
 if (!S3_BUCKET)
   console.warn("S3_BUCKET not set, task attachments disabled (uploads no-op)");
diff --git a/src/lib/middleware/maintenance.ts b/src/lib/middleware/maintenance.ts
deleted file mode 100644
index 08f8484..0000000
--- a/src/lib/middleware/maintenance.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { Elysia } from "elysia";
-
-import { flags } from "lib/providers";
-
-/**
- * Maintenance mode middleware.
- * Returns 503 Service Unavailable when maintenance mode is enabled.
- * Health check endpoint is always allowed through.
- */
-export const maintenanceMiddleware = new Elysia({ name: "maintenance" }).derive(
-  async ({ request, set }) => {
-    const url = new URL(request.url);
-
-    // Allow health checks and preflight requests through
-    if (url.pathname === "/health" || request.method === "OPTIONS") return {};
-
-    if (await flags.isEnabled("runa-api-maintenance-mode")) {
-      set.status = 503;
-      set.headers["Retry-After"] = "300";
-      throw new Error("Service temporarily unavailable for maintenance");
-    }
-
-    return {};
-  },
-);
diff --git a/src/lib/providers/index.ts b/src/lib/providers/index.ts
index e7f8f7b..8f9d2f1 100644
--- a/src/lib/providers/index.ts
+++ b/src/lib/providers/index.ts
@@ -9,7 +9,6 @@ import {
   createAuthzProvider,
   createBillingProvider,
   createEventsProvider,
-  createFlagProvider,
   createStorageProvider,
 } from "@omnidotdev/providers";
 
@@ -18,8 +17,6 @@ import {
   AUTHZ_SERVICE_KEY,
   BILLING_BASE_URL,
   BILLING_SERVICE_API_KEY,
-  FLAGS_API_HOST,
-  FLAGS_CLIENT_KEY,
   S3_ACCESS_KEY_ID,
   S3_BUCKET,
   S3_ENDPOINT,
@@ -61,17 +58,6 @@ export const events = createEventsProvider(
     : {},
 );
 
-export const flags = createFlagProvider(
-  FLAGS_API_HOST
-    ? {
-        provider: "unleash",
-        url: FLAGS_API_HOST,
-        apiKey: FLAGS_CLIENT_KEY!,
-        appName: "runa-api",
-      }
-    : {},
-);
-
 /**
  * Object storage for task attachments.
  *
diff --git a/src/server.ts b/src/server.ts
index 95975a0..6f29cd3 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -39,7 +39,6 @@ import {
   projectAvatarRoutes,
   projectBackgroundRoutes,
 } from "lib/media";
-import { maintenanceMiddleware } from "lib/middleware/maintenance";
 import {
   SEARCH_RECONCILE_INTERVAL_MS,
   initializeSearchIndexes,
@@ -188,7 +187,6 @@ async function startServer(): Promise<void> {
         duration: 60_000,
       }),
     )
-    .use(maintenanceMiddleware)
     .use(
       cors({
         origin: CORS_ALLOWED_ORIGINS!.split(","),