diff --git a/netlify/functions/agent-proxy.js b/netlify/functions/agent-proxy.js
index 1566392..43a0a4a 100644
--- a/netlify/functions/agent-proxy.js
+++ b/netlify/functions/agent-proxy.js
@@ -72,17 +72,7 @@ export default async (req /*, context */) => {
     return new Response('Server is missing ANTHROPIC_API_KEY', { status: 500 })
   }
 
-  const client = new Anthropic({
-    apiKey: process.env.ANTHROPIC_API_KEY,
-    // Required while the Files API is in beta.
-    defaultHeaders: { 'anthropic-beta': 'files-api-2025-04-14' },
-  })
-
-  // File uploaded to the Anthropic Console / Files API that the agent
-  // should consult on every call.
-  const KNOWLEDGE_FILE_ID =
-    process.env.ANTHROPIC_KNOWLEDGE_FILE_ID ||
-    'file_011Cawv1SPNaknuMmyDtM1S7'
+  const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY })
 
   const userMessage = `Here is a new public media station intake:
 
@@ -103,20 +93,7 @@ Please draft the funding outlook brief described in your instructions.`
     model: MODEL,
     max_tokens: 10000,
     system: SYSTEM_PROMPT,
-    messages: [
-      {
-        role: 'user',
-        content: [
-          {
-            type: 'document',
-            source: { type: 'file', file_id: KNOWLEDGE_FILE_ID },
-            // Lets the model cite the doc in answers.
-            citations: { enabled: true },
-          },
-          { type: 'text', text: userMessage },
-        ],
-      },
-    ],
+    messages: [{ role: 'user', content: userMessage }],
   }
   if (AGENT_ID && AGENT_ID !== 'YOUR_AGENT_ID_HERE') {
     streamArgs.agent_id = AGENT_ID