diff --git a/src/auto-reply/reply/dispatch-from-config.acp-abort.test.ts b/src/auto-reply/reply/dispatch-from-config.acp-abort.test.ts
index bcffaff8e0a..80f97ef2f20 100644
--- a/src/auto-reply/reply/dispatch-from-config.acp-abort.test.ts
+++ b/src/auto-reply/reply/dispatch-from-config.acp-abort.test.ts
@@ -27,6 +27,7 @@ import { buildTestCtx } from "./test-ctx.js";
 
 let dispatchReplyFromConfig: typeof import("./dispatch-from-config.js").dispatchReplyFromConfig;
 let tryDispatchAcpReplyHook: typeof import("../../plugin-sdk/acp-runtime.js").tryDispatchAcpReplyHook;
+let resetInboundDedupe: typeof import("./inbound-dedupe.js").resetInboundDedupe;
 
 function shouldUseAcpReplyDispatchHook(eventUnknown: unknown): boolean {
   const event = eventUnknown as {
@@ -128,10 +129,12 @@ describe("dispatchReplyFromConfig ACP abort", () => {
   beforeAll(async () => {
     ({ dispatchReplyFromConfig } = await import("./dispatch-from-config.js"));
     ({ tryDispatchAcpReplyHook } = await import("../../plugin-sdk/acp-runtime.js"));
+    ({ resetInboundDedupe } = await import("./inbound-dedupe.js"));
   });
 
   beforeEach(() => {
     setDiscordTestRegistry();
+    resetInboundDedupe();
     acpManagerRuntimeMocks.getAcpSessionManager.mockReset();
     acpManagerRuntimeMocks.getAcpSessionManager.mockReturnValue(createMockAcpSessionManager());
     hookMocks.runner.hasHooks.mockReset();