diff --git a/packages/server/src/server/schedule/service.test.ts b/packages/server/src/server/schedule/service.test.ts
index 72c749da81..869701943f 100644
--- a/packages/server/src/server/schedule/service.test.ts
+++ b/packages/server/src/server/schedule/service.test.ts
@@ -2663,6 +2663,10 @@ describe("ScheduleService", () => {
     await service.delete(active.id);
     expect(changedTargets.at(-1)).toBe(activeAgentId);
     await expect(service.listActiveHeartbeatActivity()).resolves.toEqual([]);
+
+    const notificationsAfterDelete = changedTargets.length;
+    await expect(service.delete(active.id)).resolves.toBeUndefined();
+    expect(changedTargets).toHaveLength(notificationsAfterDelete);
   });
 
   test("startup sweep completes agent-target schedules whose agent is gone", async () => {
diff --git a/packages/server/src/server/schedule/service.ts b/packages/server/src/server/schedule/service.ts
index 24f3b3fd48..7549f20003 100644
--- a/packages/server/src/server/schedule/service.ts
+++ b/packages/server/src/server/schedule/service.ts
@@ -506,9 +506,11 @@ export class ScheduleService {
   }
 
   async delete(id: string): Promise<void> {
-    const schedule = await this.inspect(id);
+    const schedule = await this.store.get(id);
     await this.store.delete(id);
-    await this.notifyHeartbeatActivityChanged(schedule);
+    if (schedule) {
+      await this.notifyHeartbeatActivityChanged(schedule);
+    }
   }
 
   async completeForAgent(agentId: string): Promise<number> {