diff --git a/packages/ai/src/route/executor.ts b/packages/ai/src/route/executor.ts
index dce362a644..bd3359e555 100644
--- a/packages/ai/src/route/executor.ts
+++ b/packages/ai/src/route/executor.ts
@@ -47,14 +47,15 @@ const isSensitiveHeaderName = (name: string) => SENSITIVE_NAME.test(name)
 
 const isSensitiveQueryName = (name: string) => isSensitiveHeaderName(name) || SHORT_QUERY_NAME.test(name)
 
-export const redactHeaders = (headers: Headers.Input, redactedNames: ReadonlyArray<string | RegExp> = []) =>
+const redactHeaders = (headers: Headers.Headers, redactedNames: ReadonlyArray<string | RegExp>) =>
   Object.fromEntries(
-    Object.entries(Headers.redact(Headers.fromInput(headers), [...redactedNames, SENSITIVE_NAME])).map(
-      ([name, value]) => [name, String(value)],
-    ),
+    Object.entries(Headers.redact(headers, [...redactedNames, SENSITIVE_NAME])).map(([name, value]) => [
+      name,
+      String(value),
+    ]),
   )
 
-export const redactUrl = (value: string) => {
+const redactUrl = (value: string) => {
   if (!URL.canParse(value)) return REDACTED
   const url = new URL(value)
   url.searchParams.forEach((_, key) => {
@@ -150,12 +151,7 @@ const responseDetails = (
     headers: redactHeaders(response.headers, redactedNames),
   })
 
-interface RedactionRequest {
-  readonly url: string
-  readonly headers: Headers.Input
-}
-
-const secretValues = (request: RedactionRequest) => {
+const secretValues = (request: HttpClientRequest.HttpClientRequest) => {
   const values = new Set<string>()
   const add = (value: string) => {
     if (value.length < 4) return
@@ -180,13 +176,13 @@ const secretValues = (request: RedactionRequest) => {
 // Two passes: structural (redact `"name": "value"` and `name=value` patterns
 // for any field name that looks sensitive) plus literal (replace any actual
 // secret values we sent in the request, in case the response echoes one back).
-const redactBody = (body: string, request: RedactionRequest) =>
+const redactBody = (body: string, request: HttpClientRequest.HttpClientRequest) =>
   Array.from(secretValues(request)).reduce(
     (text, secret) => text.split(secret).join(REDACTED),
     body.replace(REDACT_JSON_FIELD, `$1"${REDACTED}"`).replace(REDACT_QUERY_FIELD, `$1${REDACTED}`),
   )
 
-export const redactResponseBody = (body: string | void, request: RedactionRequest) => {
+const responseBody = (body: string | void, request: HttpClientRequest.HttpClientRequest) => {
   if (body === undefined) return {}
   const redacted = redactBody(body, request)
   if (redacted.length <= BODY_LIMIT) return { body: redacted }
@@ -202,7 +198,7 @@ const responseHttp = (input: {
   readonly request: HttpClientRequest.HttpClientRequest
   readonly response: HttpClientResponse.HttpClientResponse
   readonly redactedNames: ReadonlyArray<string | RegExp>
-  readonly body: ReturnType<typeof redactResponseBody>
+  readonly body: ReturnType<typeof responseBody>
   readonly requestId?: string | undefined
   readonly rateLimit?: HttpRateLimitDetails | undefined
 }) =>
@@ -223,7 +219,7 @@ const statusError =
       const headers = normalizedHeaders(response.headers)
       const retryAfter = retryAfterMs(headers)
       const rateLimit = rateLimitDetails(headers, retryAfter)
-      const details = redactResponseBody(body, request)
+      const details = responseBody(body, request)
       return yield* new LLMError({
         module: "RequestExecutor",
         method: "execute",
diff --git a/packages/core/src/aisdk.ts b/packages/core/src/aisdk.ts
index 160f2c92f5..00337d8d23 100644
--- a/packages/core/src/aisdk.ts
+++ b/packages/core/src/aisdk.ts
@@ -18,9 +18,6 @@ import {
   AuthenticationReason,
   classifyProviderFailure,
   FinishReason,
-  HttpContext,
-  HttpRequestDetails,
-  HttpResponseDetails,
   InvalidRequestReason,
   InvalidProviderOutputReason,
   LLMEvent,
@@ -50,7 +47,7 @@ import {
   TypeValidationError,
   UnsupportedFunctionalityError,
 } from "@ai-sdk/provider"
-import { Auth, Endpoint, RequestExecutor, type AnyRoute } from "@opencode-ai/ai/route"
+import { Auth, Endpoint, type AnyRoute } from "@opencode-ai/ai/route"
 import { Cause, Context, Effect, Layer, Option, Schema, Scope, Stream } from "effect"
 import { ModelV2 } from "./model"
 import { ProviderV2 } from "./provider"
@@ -784,27 +781,13 @@ function apiCallReason(error: APICallError) {
   const code = apiFailureCode(error.data) ?? apiFailureCode(error.responseBody)
   if (error.statusCode === undefined) {
     if (code) return classifyProviderFailure({ message: error.message, code })
-    if (error.isRetryable)
-      return new TransportReason({ message: error.message, url: RequestExecutor.redactUrl(error.url) })
+    if (error.isRetryable) return new TransportReason({ message: error.message })
     return new UnknownProviderReason({ message: error.message })
   }
-  const body = RequestExecutor.redactResponseBody(error.responseBody, {
-    url: error.url,
-    headers: error.responseHeaders ?? {},
-  })
   return classifyProviderFailure({
     message: error.message,
     status: error.statusCode,
     code,
-    retryAfterMs: retryAfterMs(error.responseHeaders),
-    http: new HttpContext({
-      request: new HttpRequestDetails({ method: "POST", url: RequestExecutor.redactUrl(error.url), headers: {} }),
-      response: new HttpResponseDetails({
-        status: error.statusCode,
-        headers: RequestExecutor.redactHeaders(error.responseHeaders ?? {}),
-      }),
-      ...body,
-    }),
   })
 }
 
@@ -825,18 +808,6 @@ const TRANSPORT_CONNECTION_CODES = new Set([
   "UND_ERR_SOCKET",
 ])
 
-function retryAfterMs(headers: Record<string, string> | undefined) {
-  if (!headers) return undefined
-  const millis = Number(headers["retry-after-ms"])
-  if (Number.isFinite(millis)) return Math.max(0, millis)
-  const value = headers["retry-after"]
-  if (!value) return undefined
-  const seconds = Number(value)
-  if (Number.isFinite(seconds)) return Math.max(0, seconds * 1000)
-  const date = Date.parse(value)
-  return Number.isNaN(date) ? undefined : Math.max(0, date - Date.now())
-}
-
 function field(error: unknown, name: string) {
   return typeof error === "object" && error !== null ? Reflect.get(error, name) : undefined
 }
diff --git a/packages/core/test/aisdk.test.ts b/packages/core/test/aisdk.test.ts
index 5a82de2773..a6d9ff2a63 100644
--- a/packages/core/test/aisdk.test.ts
+++ b/packages/core/test/aisdk.test.ts
@@ -288,31 +288,21 @@ it.effect("projects replay metadata onto AI SDK prompt parts", () =>
   }),
 )
 
-it.effect("classifies AI SDK API failures with redacted diagnostics", () =>
+it.effect("classifies AI SDK API failures", () =>
   Effect.gen(function* () {
     const error = yield* streamFailure(
       failingLanguage(
         new APICallError({
           message: "Quota exceeded",
-          url: "https://provider.test/v1?key=url-secret",
+          url: "https://provider.test/v1",
           requestBodyValues: {},
           statusCode: 429,
-          responseHeaders: { "retry-after-ms": "250", "x-api-key": "header-secret" },
-          responseBody: '{"error":{"code":"insufficient_quota","api_key":"body-secret"}}',
+          responseBody: '{"error":{"code":"insufficient_quota"}}',
         }),
       ),
     )
 
-    expect(error).toMatchObject({
-      reason: {
-        _tag: "QuotaExceeded",
-        http: {
-          request: { url: "https://provider.test/v1?key=%3Credacted%3E" },
-          response: { headers: { "x-api-key": "<redacted>" } },
-          body: '{"error":{"code":"insufficient_quota","api_key":"<redacted>"}}',
-        },
-      },
-    })
+    expect(error).toMatchObject({ reason: { _tag: "QuotaExceeded" } })
   }),
 )