diff --git a/atomic-rpc-relayer-bridge/src/local-server.test.ts b/atomic-rpc-relayer-bridge/src/local-server.test.ts
index 88eb45b..52f714c 100644
--- a/atomic-rpc-relayer-bridge/src/local-server.test.ts
+++ b/atomic-rpc-relayer-bridge/src/local-server.test.ts
@@ -1,5 +1,9 @@
 import * as http from "http";
-import axios, { type AxiosResponse } from "axios";
+import axios, {
+  type AxiosResponse,
+  type InternalAxiosRequestConfig,
+  AxiosHeaders,
+} from "axios";
 import { createLocalBridgeHandler, startLocalServer } from "./local-server";
 
 jest.mock("axios");
@@ -12,7 +16,8 @@ function mockRpcResponse(data: unknown): void {
     status: 200,
     statusText: "OK",
     headers: {},
-    config: {},
+    // axios 1.x requires `headers` on InternalAxiosRequestConfig.
+    config: { headers: new AxiosHeaders() } as InternalAxiosRequestConfig,
   };
   mockedAxios.mockResolvedValue(response);
 }
diff --git a/atomic-rpc-relayer-bridge/src/local-server.ts b/atomic-rpc-relayer-bridge/src/local-server.ts
index d5cf6a1..cf4bf8e 100644
--- a/atomic-rpc-relayer-bridge/src/local-server.ts
+++ b/atomic-rpc-relayer-bridge/src/local-server.ts
@@ -72,7 +72,6 @@ export function createLocalBridgeHandler(options: LocalServerOptions = {}): {
     );
   }
 
-  const disableAtomicVerification = process.env.DISABLE_ATOMIC_VERIFICATION === "true";
   const bridge = new AtomicRpcRelayerBridge({
     endpoints: options.endpoints ?? defaultEndpoints(),
     requireAtomicVerification: !disableAtomicVerification,