diff --git a/extensions/test-utils/plugin-runtime-mock.ts b/extensions/test-utils/plugin-runtime-mock.ts
index a9b6f7001d4..81e3fdedeec 100644
--- a/extensions/test-utils/plugin-runtime-mock.ts
+++ b/extensions/test-utils/plugin-runtime-mock.ts
@@ -69,19 +69,6 @@ export function createPluginRuntimeMock(overrides: DeepPartial<PluginRuntime> =
       registerMemoryCli: vi.fn() as unknown as PluginRuntime["tools"]["registerMemoryCli"],
     },
     channel: {
-      bindings: {
-        bind: vi.fn(),
-        getCapabilities: vi.fn(() => ({
-          adapterAvailable: true,
-          bindSupported: true,
-          unbindSupported: true,
-          placements: ["current", "child"] as Array<"current" | "child">,
-        })),
-        listBySession: vi.fn(() => []),
-        resolveByConversation: vi.fn(() => null),
-        touch: vi.fn(),
-        unbind: vi.fn(() => Promise.resolve([])),
-      },
       text: {
         chunkByNewline: vi.fn((text: string) => (text ? [text] : [])),
         chunkMarkdownText: vi.fn((text: string) => [text]),
diff --git a/src/plugins/runtime/index.test.ts b/src/plugins/runtime/index.test.ts
index 29ecbdfec5b..5ec2df28199 100644
--- a/src/plugins/runtime/index.test.ts
+++ b/src/plugins/runtime/index.test.ts
@@ -1,7 +1,6 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { onAgentEvent } from "../../infra/agent-events.js";
 import { requestHeartbeatNow } from "../../infra/heartbeat-wake.js";
-import { getSessionBindingService } from "../../infra/outbound/session-binding-service.js";
 import { onSessionTranscriptUpdate } from "../../sessions/transcript-events.js";
 
 const runCommandWithTimeoutMock = vi.hoisted(() => vi.fn());
@@ -50,11 +49,6 @@ describe("plugin runtime command execution", () => {
     expect(runtime.events.onSessionTranscriptUpdate).toBe(onSessionTranscriptUpdate);
   });
 
-  it("exposes runtime.channel.bindings", () => {
-    const runtime = createPluginRuntime();
-    expect(runtime.channel.bindings).toBe(getSessionBindingService());
-  });
-
   it("exposes runtime.system.requestHeartbeatNow", () => {
     const runtime = createPluginRuntime();
     expect(runtime.system.requestHeartbeatNow).toBe(requestHeartbeatNow);
diff --git a/src/plugins/runtime/runtime-channel.ts b/src/plugins/runtime/runtime-channel.ts
index 06244f4d46d..c202a5e0e9b 100644
--- a/src/plugins/runtime/runtime-channel.ts
+++ b/src/plugins/runtime/runtime-channel.ts
@@ -96,7 +96,6 @@ import {
   updateLastRoute,
 } from "../../config/sessions.js";
 import { getChannelActivity, recordChannelActivity } from "../../infra/channel-activity.js";
-import { getSessionBindingService } from "../../infra/outbound/session-binding-service.js";
 import {
   listLineAccountIds,
   normalizeAccountId as normalizeLineAccountId,
@@ -132,7 +131,6 @@ import type { PluginRuntime } from "./types.js";
 
 export function createRuntimeChannel(): PluginRuntime["channel"] {
   return {
-    bindings: getSessionBindingService(),
     text: {
       chunkByNewline,
       chunkMarkdownText,
diff --git a/src/plugins/runtime/types-channel.ts b/src/plugins/runtime/types-channel.ts
index 2d2379a6f5c..f7bd7615714 100644
--- a/src/plugins/runtime/types-channel.ts
+++ b/src/plugins/runtime/types-channel.ts
@@ -2,8 +2,6 @@ type ReadChannelAllowFromStore =
   typeof import("../../pairing/pairing-store.js").readChannelAllowFromStore;
 type UpsertChannelPairingRequest =
   typeof import("../../pairing/pairing-store.js").upsertChannelPairingRequest;
-type SessionBindingService =
-  typeof import("../../infra/outbound/session-binding-service.js").getSessionBindingService;
 
 type ReadChannelAllowFromStoreForAccount = (params: {
   channel: Parameters<ReadChannelAllowFromStore>[0];
@@ -16,7 +14,6 @@ type UpsertChannelPairingRequestForAccount = (
 ) => ReturnType<UpsertChannelPairingRequest>;
 
 export type PluginRuntimeChannel = {
-  bindings: ReturnType<SessionBindingService>;
   text: {
     chunkByNewline: typeof import("../../auto-reply/chunk.js").chunkByNewline;
     chunkMarkdownText: typeof import("../../auto-reply/chunk.js").chunkMarkdownText;