diff --git a/src/agents/openai-ws-connection.test.ts b/src/agents/openai-ws-connection.test.ts
index fb80f510ac1..2a7b95f7eb9 100644
--- a/src/agents/openai-ws-connection.test.ts
+++ b/src/agents/openai-ws-connection.test.ts
@@ -595,14 +595,12 @@ describe("OpenAIWebSocketManager", () => {
 
       manager.warmUp({
         model: "gpt-5.2",
-        tools: [{ type: "function", function: { name: "exec", description: "Run a command" } }],
+        tools: [{ type: "function", name: "exec", description: "Run a command" }],
       });
 
       const sent = JSON.parse(sock.sentMessages[0] ?? "{}") as Record<string, unknown>;
       expect(sent["tools"]).toHaveLength(1);
-      expect((sent["tools"] as Array<{ function?: { name?: string } }>)[0]?.function?.name).toBe(
-        "exec",
-      );
+      expect((sent["tools"] as Array<{ name?: string }>)[0]?.name).toBe("exec");
     });
   });
 
diff --git a/src/agents/openai-ws-stream.e2e.test.ts b/src/agents/openai-ws-stream.e2e.test.ts
index 33fa7ebe144..1146d71ffe3 100644
--- a/src/agents/openai-ws-stream.e2e.test.ts
+++ b/src/agents/openai-ws-stream.e2e.test.ts
@@ -164,7 +164,7 @@ describe("OpenAI WebSocket e2e", () => {
           transport: "websocket",
           toolChoice: "required",
           maxTokens: 128,
-        }),
+        } as unknown as StreamFnParams[2]),
       );
       const firstDone = expectDone(firstEvents);
       const toolCall = firstDone.content.find((block) => block.type === "toolCall") as
@@ -206,7 +206,7 @@ describe("OpenAI WebSocket e2e", () => {
             transport: "websocket",
             openaiWsWarmup: true,
             maxTokens: 32,
-          }),
+          } as unknown as StreamFnParams[2]),
         ),
       );