diff --git a/legacy/packages/ai-sdk/src/ai-sdk.ts b/legacy/packages/ai-sdk/src/ai-sdk.ts
index e117c363..a9436fc0 100644
--- a/legacy/packages/ai-sdk/src/ai-sdk.ts
+++ b/legacy/packages/ai-sdk/src/ai-sdk.ts
@@ -19,24 +19,3 @@ export function createAISDKTools(...aiFunctionLikeTools: AIFunctionLike[]) {
     ])
   )
 }
-
-/**
- * Converts a set of Agentic stdlib AI functions to an object compatible with
- * the Vercel AI SDK's `experimental_activeTools` parameter.
- */
-export function createAISDKExperimentalActiveTools(
-  ...aiFunctionLikeTools: AIFunctionLike[]
-) {
-  const fns = new AIFunctionSet(aiFunctionLikeTools)
-
-  return Object.fromEntries(
-    fns.map((fn) => [
-      fn.spec.name,
-      tool({
-        description: fn.spec.description,
-        parameters: fn.inputSchema,
-        execute: fn.impl
-      })
-    ])
-  )
-}