diff --git a/src/infra/outbound/format.test.ts b/src/infra/outbound/format.test.ts
index e17af930c30..136c1a5758a 100644
--- a/src/infra/outbound/format.test.ts
+++ b/src/infra/outbound/format.test.ts
@@ -1,11 +1,6 @@
-// Covers direct/gateway outbound summary formatting and JSON delivery payload
-// projections.
+// Covers direct/gateway outbound summary formatting.
 import { describe, expect, it, vi } from "vitest";
-import {
-  buildOutboundDeliveryJson,
-  formatGatewaySummary,
-  formatOutboundDeliverySummary,
-} from "./format.js";
+import { formatGatewaySummary, formatOutboundDeliverySummary } from "./format.js";
 
 const getChannelPluginMock = vi.hoisted(() =>
   vi.fn((channel: string) => {
@@ -78,80 +73,6 @@ describe("formatOutboundDeliverySummary", () => {
   });
 });
 
-describe("buildOutboundDeliveryJson", () => {
-  it.each([
-    {
-      input: {
-        channel: "alpha" as const,
-        to: "123",
-        result: { channel: "alpha" as const, messageId: "m1", chatId: "c1" },
-        mediaUrl: "https://example.com/a.png",
-      },
-      expected: {
-        channel: "alpha",
-        via: "direct",
-        to: "123",
-        messageId: "m1",
-        mediaUrl: "https://example.com/a.png",
-        chatId: "c1",
-      },
-    },
-    {
-      input: {
-        channel: "directchat" as const,
-        to: "+1",
-        result: { channel: "directchat" as const, messageId: "w1", toJid: "jid" },
-      },
-      expected: {
-        channel: "directchat",
-        via: "direct",
-        to: "+1",
-        messageId: "w1",
-        mediaUrl: null,
-        toJid: "jid",
-      },
-    },
-    {
-      input: {
-        channel: "pager" as const,
-        to: "+1",
-        result: { channel: "pager" as const, messageId: "s1", timestamp: 123 },
-      },
-      expected: {
-        channel: "pager",
-        via: "direct",
-        to: "+1",
-        messageId: "s1",
-        mediaUrl: null,
-        timestamp: 123,
-      },
-    },
-    {
-      input: {
-        channel: "richchat" as const,
-        to: "channel:1",
-        via: "gateway" as const,
-        result: {
-          messageId: "g1",
-          channelId: "1",
-          meta: { thread: "2" },
-        },
-      },
-      expected: {
-        channel: "richchat",
-        via: "gateway",
-        to: "channel:1",
-        messageId: "g1",
-        mediaUrl: null,
-        channelId: "1",
-        meta: { thread: "2" },
-      },
-    },
-  ])("builds delivery JSON for %j", ({ input, expected }) => {
-    expect(buildOutboundDeliveryJson(input)).toEqual(expected);
-  });
-});
-
 describe("formatGatewaySummary", () => {
   it.each([
     {
diff --git a/src/infra/outbound/format.ts b/src/infra/outbound/format.ts
index dba008f84e9..4b711efb2af 100644
--- a/src/infra/outbound/format.ts
+++ b/src/infra/outbound/format.ts
@@ -1,5 +1,5 @@
-// Outbound delivery formatting produces human CLI summaries and JSON payloads
-// for direct and gateway send results.
+// Outbound delivery formatting produces human CLI summaries for direct and
+// gateway send results.
 import { getChatChannelMeta } from "../../channels/chat-meta.js";
 import { getChannelPlugin } from "../../channels/plugins/index.js";
 import type { ChannelId } from "../../channels/plugins/types.public.js";
@@ -24,17 +24,6 @@ export type OutboundDeliveryJson = {
   meta?: Record<string, unknown>;
 };
 
-type OutboundDeliveryMeta = {
-  messageId?: string;
-  chatId?: string;
-  channelId?: string;
-  roomId?: string;
-  conversationId?: string;
-  timestamp?: number;
-  toJid?: string;
-  meta?: Record<string, unknown>;
-};
-
 const resolveChannelLabel = (channel: string) => {
   const pluginLabel = getChannelPlugin(channel as ChannelId)?.meta.label;
   if (pluginLabel) {
@@ -77,51 +66,6 @@ export function formatOutboundDeliverySummary(
   return base;
 }
 
-/**
- * Builds the JSON delivery payload returned by direct or gateway sends.
- */
-export function buildOutboundDeliveryJson(params: {
-  channel: string;
-  to: string;
-  result?: OutboundDeliveryMeta | OutboundDeliveryResult;
-  via?: "direct" | "gateway";
-  mediaUrl?: string | null;
-}): OutboundDeliveryJson {
-  const { channel, to, result } = params;
-  const messageId = result?.messageId ?? "unknown";
-  const payload: OutboundDeliveryJson = {
-    channel,
-    via: params.via ?? "direct",
-    to,
-    messageId,
-    mediaUrl: params.mediaUrl ?? null,
-  };
-
-  if (result && "chatId" in result && result.chatId !== undefined) {
-    payload.chatId = result.chatId;
-  }
-  if (result && "channelId" in result && result.channelId !== undefined) {
-    payload.channelId = result.channelId;
-  }
-  if (result && "roomId" in result && result.roomId !== undefined) {
-    payload.roomId = result.roomId;
-  }
-  if (result && "conversationId" in result && result.conversationId !== undefined) {
-    payload.conversationId = result.conversationId;
-  }
-  if (result && "timestamp" in result && result.timestamp !== undefined) {
-    payload.timestamp = result.timestamp;
-  }
-  if (result && "toJid" in result && result.toJid !== undefined) {
-    payload.toJid = result.toJid;
-  }
-  if (result && "meta" in result && result.meta !== undefined) {
-    payload.meta = result.meta;
-  }
-
-  return payload;
-}
-
 /**
  * Formats the human-readable gateway delivery summary for CLI output.
  */