diff --git a/packages/opencode/src/plugin/openai/ws.ts b/packages/opencode/src/plugin/openai/ws.ts
index cad6769609..0f60dc211e 100644
--- a/packages/opencode/src/plugin/openai/ws.ts
+++ b/packages/opencode/src/plugin/openai/ws.ts
@@ -159,9 +159,6 @@ export function streamResponsesWebSocket(options: StreamResponsesWebSocketOption
     if (!options.idleTimeout) return
     if (idleTimer) clearTimeout(idleTimer)
     idleTimer = setTimeout(() => invalidate(new ProviderError.ResponseStreamError(message)), options.idleTimeout)
-    if (typeof idleTimer === "object" && "unref" in idleTimer && typeof idleTimer.unref === "function") {
-      idleTimer.unref()
-    }
   }
 
   async function onMessage(data: WebSocket.RawData, isBinary: boolean) {
diff --git a/packages/opencode/test/plugin/openai-ws.test.ts b/packages/opencode/test/plugin/openai-ws.test.ts
index d27774037d..93d6f8681d 100644
--- a/packages/opencode/test/plugin/openai-ws.test.ts
+++ b/packages/opencode/test/plugin/openai-ws.test.ts
@@ -51,7 +51,7 @@ describe("plugin.openai.ws", () => {
       onConnectionInvalid: (error) => invalid.push(error.message),
     })
 
-    await expect(response.text()).rejects.toThrow("idle timeout sending websocket request")
+    expect((await readTextError(response.text())).message).toContain("idle timeout sending websocket request")
     expect(invalid).toEqual(["idle timeout sending websocket request"])
   })
 
@@ -100,7 +100,7 @@ describe("plugin.openai.ws", () => {
       onConnectionInvalid: (error) => invalid.push(error),
     })
 
-    await expect(response.text()).rejects.toThrow(
+    expect((await readTextError(response.text())).message).toContain(
       "WebSocket closed before response.completed (code 1009: message too big: payload too large)",
     )
     expect(invalid[0]).toBeInstanceOf(ProviderError.ResponseStreamError)
@@ -124,7 +124,7 @@ describe("plugin.openai.ws", () => {
       onConnectionInvalid: (error) => invalid.push(error.message),
     })
 
-    await expect(response.text()).rejects.toThrow("Unexpected binary WebSocket frame")
+    expect((await readTextError(response.text())).message).toContain("Unexpected binary WebSocket frame")
     expect(invalid).toEqual(["Unexpected binary WebSocket frame"])
   })
 })
@@ -186,7 +186,7 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
-    await expect(first.text()).rejects.toBeInstanceOf(ProviderError.ResponseStreamError)
+    expect(await readTextError(first.text())).toBeInstanceOf(ProviderError.ResponseStreamError)
     const second = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
     const third = await fetch(server.url, streamRequest({ [TITLE_HEADER]: "false" }))
 
@@ -271,7 +271,7 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("Responses websocket connection limit reached")
+    expect((await readTextError(first.text())).message).toContain("Responses websocket connection limit reached")
     const second = await fetch(server.url, streamRequest())
     const text = await second.text()
 
@@ -308,9 +308,9 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("Responses websocket connection limit reached")
+    expect((await readTextError(first.text())).message).toContain("Responses websocket connection limit reached")
     const second = await fetch(server.url, streamRequest())
-    await expect(second.text()).rejects.toThrow("Responses websocket connection limit reached")
+    expect((await readTextError(second.text())).message).toContain("Responses websocket connection limit reached")
     const third = await fetch(server.url, streamRequest())
     const fourth = await fetch(server.url, streamRequest())
 
@@ -348,7 +348,7 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("WebSocket closed before response.completed")
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
     const second = await fetch(server.url, streamRequest())
 
     expect(await second.text()).toBe("http")
@@ -370,7 +370,7 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("idle timeout waiting for websocket")
+    expect((await readTextError(first.text())).message).toContain("idle timeout waiting for websocket")
     const second = await fetch(server.url, streamRequest())
     const third = await fetch(server.url, streamRequest())
 
@@ -394,9 +394,9 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("idle timeout waiting for websocket")
+    expect((await readTextError(first.text())).message).toContain("idle timeout waiting for websocket")
     const second = await fetch(server.url, streamRequest())
-    await expect(second.text()).rejects.toThrow("idle timeout waiting for websocket")
+    expect((await readTextError(second.text())).message).toContain("idle timeout waiting for websocket")
     const third = await fetch(server.url, streamRequest())
 
     expect(await third.text()).toBe("http")
@@ -425,11 +425,11 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("WebSocket closed before response.completed")
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
     const second = await fetch(server.url, streamRequest())
     expect(await second.text()).toContain("data: [DONE]")
     const third = await fetch(server.url, streamRequest())
-    await expect(third.text()).rejects.toThrow("WebSocket closed before response.completed")
+    expect((await readTextError(third.text())).message).toContain("WebSocket closed before response.completed")
     const fourth = await fetch(server.url, streamRequest())
 
     expect(await fourth.text()).toContain("data: [DONE]")
@@ -480,7 +480,7 @@ describe("plugin.openai.ws-pool", () => {
     expect(server.httpRequests).toHaveLength(1)
     expect(connections).toBe(1)
     abort.abort(new Error("stop"))
-    await expect(firstText).rejects.toThrow("stop")
+    expect((await readTextError(firstText)).message).toContain("stop")
     fetch.close()
   })
 
@@ -518,7 +518,7 @@ describe("plugin.openai.ws-pool", () => {
     })
 
     const first = await fetch(server.url, streamRequest())
-    await expect(first.text()).rejects.toThrow("WebSocket closed before response.completed")
+    expect((await readTextError(first.text())).message).toContain("WebSocket closed before response.completed")
     const second = await fetch(server.url, streamRequest())
     const third = await fetch(server.url, streamRequest())
 
@@ -550,7 +550,7 @@ describe("plugin.openai.ws-pool", () => {
     const firstText = first.text()
     await waitFor(() => connections === 1, "first websocket did not connect")
     abort.abort(new Error("stop"))
-    await expect(firstText).rejects.toThrow("stop")
+    expect((await readTextError(firstText)).message).toContain("stop")
 
     const second = await fetch(server.url, streamRequest())
 
@@ -602,6 +602,19 @@ function streamRequest(headers?: Record<string, string>, signal?: AbortSignal):
   }
 }
 
+async function readTextError(promise: Promise<string>) {
+  // Bun 1.3.14 hangs on expect(response.text()).rejects for streams errored from ws callbacks.
+  return promise.then(
+    () => {
+      throw new Error("Expected response text to reject")
+    },
+    (error) => {
+      expect(error).toBeInstanceOf(Error)
+      return error as Error
+    },
+  )
+}
+
 async function createWebSocketServer(onConnection: (socket: WebSocket, request: IncomingMessage) => void) {
   const http = await createHttpServer()
   const server = new WebSocketServer({ server: http.server })