diff --git a/.oxlintrc.json b/.oxlintrc.json
index c89ab8a28..70275d6d8 100644
--- a/.oxlintrc.json
+++ b/.oxlintrc.json
@@ -86,6 +86,17 @@
             ],
             "message": "Please use matrix-js-sdk instead"
           }
+        ],
+        "paths": [
+          {
+            "name": "matrix-js-sdk/lib/matrixrtc",
+            "importNames": [
+              "LivekitTransport",
+              "isLivekitTransport",
+              "isLivekitTransportConfig"
+            ],
+            "message": "Please use src/LivekitTransport.ts instead"
+          }
         ]
       }
     ],
diff --git a/src/LivekitTransport.test.ts b/src/LivekitTransport.test.ts
new file mode 100644
index 000000000..e8b32c774
--- /dev/null
+++ b/src/LivekitTransport.test.ts
@@ -0,0 +1,28 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { test, expect } from "vitest";
+import { isLivekitTransport } from "./LivekitTransport";
+
+test("isLivekitTransport", () => {
+  expect(
+    isLivekitTransport({
+      type: "livekit",
+      livekit_service_url: "http://test.com",
+    }),
+  ).toBeTruthy();
+  expect(isLivekitTransport({ type: "livekit" })).toBeFalsy();
+  expect(
+    isLivekitTransport({
+      type: "not-livekit",
+      livekit_service_url: "http://test.com",
+    }),
+  ).toBeFalsy();
+  expect(
+    isLivekitTransport({ type: "livekit", other_service_url: "multi_sfu" }),
+  ).toBeFalsy();
+});
diff --git a/src/LivekitTransport.ts b/src/LivekitTransport.ts
new file mode 100644
index 000000000..850ea9e26
--- /dev/null
+++ b/src/LivekitTransport.ts
@@ -0,0 +1,20 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { type Transport } from "matrix-js-sdk/lib/matrixrtc";
+
+// TODO: Delete this module and return to using LivekitTransport from
+// matrix-js-sdk. This should only exist for a short time to facilitate merging
+// some breaking changes to LivekitTransport in matrix-js-sdk.
+
+export interface LivekitTransport extends Transport {
+  type: "livekit";
+  livekit_service_url: string;
+}
+
+export const isLivekitTransport = (object: any): object is LivekitTransport =>
+  object.type === "livekit" && "livekit_service_url" in object;
diff --git a/src/room/CallEventAudioRenderer.test.tsx b/src/room/CallEventAudioRenderer.test.tsx
index 9ab64dfd6..bbda158e1 100644
--- a/src/room/CallEventAudioRenderer.test.tsx
+++ b/src/room/CallEventAudioRenderer.test.tsx
@@ -16,10 +16,7 @@ import {
 } from "vitest";
 import { act } from "react";
 import { type RoomMember } from "matrix-js-sdk";
-import {
-  type LivekitTransport,
-  type CallMembership,
-} from "matrix-js-sdk/lib/matrixrtc";
+import { type CallMembership } from "matrix-js-sdk/lib/matrixrtc";
 
 import {
   exampleTransport,
@@ -40,6 +37,7 @@ import {
 } from "../utils/test-fixtures";
 import { MAX_PARTICIPANT_COUNT_FOR_SOUND } from "../state/CallViewModel/CallViewModel";
 import { initializeWidget } from "../widget";
+import { type LivekitTransport } from "../LivekitTransport";
 initializeWidget();
 vitest.mock("livekit-client/e2ee-worker?worker");
 vitest.mock("../useAudioContext");
diff --git a/src/state/CallViewModel/CallViewModel.test.ts b/src/state/CallViewModel/CallViewModel.test.ts
index c7783d152..ec1bb7ffc 100644
--- a/src/state/CallViewModel/CallViewModel.test.ts
+++ b/src/state/CallViewModel/CallViewModel.test.ts
@@ -31,7 +31,6 @@ import {
   type CallMembership,
   type IRTCNotificationContent,
   MatrixRTCSessionEvent,
-  type LivekitTransport,
 } from "matrix-js-sdk/lib/matrixrtc";
 import { deepCompare } from "matrix-js-sdk/lib/utils";
 
@@ -70,6 +69,7 @@ import { MatrixRTCMode } from "../../config/ConfigOptions.ts";
 import { initializeWidget } from "../../widget.ts";
 import { computeUrlParams } from "../../UrlParams.ts";
 import { callViewModelOptionsFromParams } from "./CallViewModel.ts";
+import { type LivekitTransport } from "../../LivekitTransport.ts";
 
 initializeWidget();
 
diff --git a/src/state/CallViewModel/CallViewModel.ts b/src/state/CallViewModel/CallViewModel.ts
index ea7f3cc78..331edd4d0 100644
--- a/src/state/CallViewModel/CallViewModel.ts
+++ b/src/state/CallViewModel/CallViewModel.ts
@@ -43,7 +43,6 @@ import {
 import { type Logger, logger as rootLogger } from "matrix-js-sdk/lib/logger";
 import {
   MembershipManagerEvent,
-  type LivekitTransport,
   type MatrixRTCSession,
   type RTCCallIntent,
   type RTCNotificationType,
@@ -163,6 +162,7 @@ import {
   type RingingMediaViewModel,
 } from "../media/RingingMediaViewModel.ts";
 import { type GridTileViewModel } from "../TileViewModel.ts";
+import { type LivekitTransport } from "../../LivekitTransport.ts";
 
 //TODO
 // Larger rename
diff --git a/src/state/CallViewModel/localMember/LocalMember.test.ts b/src/state/CallViewModel/localMember/LocalMember.test.ts
index 8e4217719..11639b301 100644
--- a/src/state/CallViewModel/localMember/LocalMember.test.ts
+++ b/src/state/CallViewModel/localMember/LocalMember.test.ts
@@ -8,7 +8,6 @@ Please see LICENSE in the repository root for full details.
 
 import {
   Status as RTCMemberStatus,
-  type LivekitTransport,
   type MatrixRTCSession,
 } from "matrix-js-sdk/lib/matrixrtc";
 import {
@@ -60,6 +59,7 @@ import { initializeWidget } from "../../../widget";
 import { nullHostBridge } from "../../../HostBridge";
 import { type LocalTransport } from "./LocalTransport";
 import * as openIDSFU from "../../../livekit/openIDSFU";
+import { type LivekitTransport } from "../../../LivekitTransport";
 
 initializeWidget();
 
diff --git a/src/state/CallViewModel/localMember/LocalMember.ts b/src/state/CallViewModel/localMember/LocalMember.ts
index 36469e7ad..74d1b7f00 100644
--- a/src/state/CallViewModel/localMember/LocalMember.ts
+++ b/src/state/CallViewModel/localMember/LocalMember.ts
@@ -18,7 +18,6 @@ import { observeParticipantEvents } from "@livekit/components-core";
 import { type MatrixClient } from "matrix-js-sdk";
 import {
   Status as RTCSessionStatus,
-  type LivekitTransport,
   type MatrixRTCSession,
   type RTCCallIntent,
   type RTCNotificationType,
@@ -81,6 +80,7 @@ import {
 import { type HomeserverConnected } from "./HomeserverConnected.ts";
 import { type LocalTransport } from "./LocalTransport.ts";
 import { getSFUConfigWithOpenID } from "../../../livekit/openIDSFU.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 export enum TransportState {
   /** Not even a transport is available to the LocalMembership */
diff --git a/src/state/CallViewModel/localMember/LocalTransport.ts b/src/state/CallViewModel/localMember/LocalTransport.ts
index 3534b3fec..a904f55f0 100644
--- a/src/state/CallViewModel/localMember/LocalTransport.ts
+++ b/src/state/CallViewModel/localMember/LocalTransport.ts
@@ -5,7 +5,6 @@ SPDX-License-IdFentifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import { type MatrixClient } from "matrix-js-sdk";
 import { logger as rootLogger, type Logger } from "matrix-js-sdk/lib/logger";
 import { type CallMembershipIdentityParts } from "matrix-js-sdk/lib/matrixrtc/EncryptionManager";
@@ -24,6 +23,7 @@ import {
 import { customLivekitUrl } from "../../../settings/settings.ts";
 import { RtcTransportAutoDiscovery } from "./RtcTransportAutoDiscovery.ts";
 import { type MatrixRTCMode } from "../../../config/ConfigOptions.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 interface Props {
   ownMembershipIdentity: CallMembershipIdentityParts;
diff --git a/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.test.ts b/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.test.ts
index 61df88a73..81d90c418 100644
--- a/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.test.ts
+++ b/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.test.ts
@@ -15,16 +15,14 @@ import {
 } from "vitest";
 import { MatrixError } from "matrix-js-sdk";
 import { logger as rootLogger } from "matrix-js-sdk/lib/logger";
-import {
-  type LivekitTransport,
-  type Transport,
-} from "matrix-js-sdk/lib/matrixrtc";
+import { type Transport } from "matrix-js-sdk/lib/matrixrtc";
 
 import type { ResolvedConfigOptions } from "../../../config/ConfigOptions.ts";
 import {
   RtcTransportAutoDiscovery,
   type RtcTransportAutoDiscoveryProps,
 } from "./RtcTransportAutoDiscovery.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 type DiscoveryClient = RtcTransportAutoDiscoveryProps["client"];
 
diff --git a/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.ts b/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.ts
index aeb6b051a..27ce5bfd4 100644
--- a/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.ts
+++ b/src/state/CallViewModel/localMember/RtcTransportAutoDiscovery.ts
@@ -4,15 +4,15 @@ Copyright 2026 Element Creations Ltd.
 SPDX-License-IdFentifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
-import {
-  isLivekitTransport,
-  type LivekitTransport,
-} from "matrix-js-sdk/lib/matrixrtc";
 import { type MatrixClient } from "matrix-js-sdk";
 import { type Logger } from "matrix-js-sdk/lib/logger";
 
 import type { ResolvedConfigOptions } from "../../../config/ConfigOptions.ts";
 import { doNetworkOperationWithRetry } from "../../../utils/matrix.ts";
+import {
+  isLivekitTransport,
+  type LivekitTransport,
+} from "../../../LivekitTransport.ts";
 
 type TransportDiscoveryClient = Pick<
   MatrixClient,
diff --git a/src/state/CallViewModel/remoteMembers/Connection.test.ts b/src/state/CallViewModel/remoteMembers/Connection.test.ts
index 62dc17a31..49916bd3b 100644
--- a/src/state/CallViewModel/remoteMembers/Connection.test.ts
+++ b/src/state/CallViewModel/remoteMembers/Connection.test.ts
@@ -30,7 +30,6 @@ import fetchMock from "fetch-mock";
 import EventEmitter from "events";
 import { type IOpenIDToken } from "matrix-js-sdk";
 import { logger, type Logger } from "matrix-js-sdk/lib/logger";
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 
 import {
   Connection,
@@ -45,6 +44,7 @@ import {
 } from "../../../utils/errors.ts";
 import { testJWTToken } from "../../../utils/test-fixtures.ts";
 import { mockRemoteParticipant, ownMemberMock } from "../../../utils/test.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 let testScope: ObservableScope;
 
diff --git a/src/state/CallViewModel/remoteMembers/Connection.ts b/src/state/CallViewModel/remoteMembers/Connection.ts
index cc84142d9..a3079a5c4 100644
--- a/src/state/CallViewModel/remoteMembers/Connection.ts
+++ b/src/state/CallViewModel/remoteMembers/Connection.ts
@@ -22,7 +22,6 @@ import {
   type Track,
   type TrackPublication,
 } from "livekit-client";
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import { BehaviorSubject, map } from "rxjs";
 import { type Logger } from "matrix-js-sdk/lib/logger";
 import { type CallMembershipIdentityParts } from "matrix-js-sdk/lib/matrixrtc/EncryptionManager";
@@ -42,6 +41,7 @@ import {
   SFURoomCreationRestrictedError,
   UnknownCallError,
 } from "../../../utils/errors.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 export interface ConnectionOpts {
   /**
diff --git a/src/state/CallViewModel/remoteMembers/ConnectionFactory.ts b/src/state/CallViewModel/remoteMembers/ConnectionFactory.ts
index 96a28d5ad..b50d440be 100644
--- a/src/state/CallViewModel/remoteMembers/ConnectionFactory.ts
+++ b/src/state/CallViewModel/remoteMembers/ConnectionFactory.ts
@@ -16,7 +16,6 @@ import { logger, type Logger } from "matrix-js-sdk/lib/logger";
 // imported as inline to support worker when loaded from a cdn (cross domain)
 import E2EEWorker from "livekit-client/e2ee-worker?worker&inline";
 import { type CallMembershipIdentityParts } from "matrix-js-sdk/lib/matrixrtc/EncryptionManager";
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 
 import { type ObservableScope } from "../../ObservableScope.ts";
 import { Connection } from "./Connection.ts";
@@ -39,6 +38,7 @@ import {
   noiseSuppressionSetting,
   autoGainControlSetting,
 } from "../../../settings/settings.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 // TODO evaluate if this should be done like the Publisher Factory
 export interface ConnectionFactory {
diff --git a/src/state/CallViewModel/remoteMembers/ConnectionManager.test.ts b/src/state/CallViewModel/remoteMembers/ConnectionManager.test.ts
index e7d91c633..43bcd014f 100644
--- a/src/state/CallViewModel/remoteMembers/ConnectionManager.test.ts
+++ b/src/state/CallViewModel/remoteMembers/ConnectionManager.test.ts
@@ -7,7 +7,6 @@ Please see LICENSE in the repository root for full details.
 
 import { afterEach, beforeEach, describe, expect, test, vi } from "vitest";
 import { BehaviorSubject, NEVER } from "rxjs";
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import { type RemoteParticipant } from "livekit-client";
 import { logger } from "matrix-js-sdk/lib/logger";
 
@@ -21,6 +20,7 @@ import { type Connection } from "./Connection.ts";
 import { ownMemberMock, withTestScheduler } from "../../../utils/test.ts";
 import { areLivekitTransportsEqual } from "./MatrixLivekitMembers.ts";
 import { type Behavior } from "../../Behavior.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 // Some test constants
 
diff --git a/src/state/CallViewModel/remoteMembers/ConnectionManager.ts b/src/state/CallViewModel/remoteMembers/ConnectionManager.ts
index 18f54f021..395c84173 100644
--- a/src/state/CallViewModel/remoteMembers/ConnectionManager.ts
+++ b/src/state/CallViewModel/remoteMembers/ConnectionManager.ts
@@ -6,7 +6,6 @@ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import {
   combineLatest,
   map,
@@ -32,6 +31,7 @@ import {
   type LocalTransport,
 } from "../localMember/LocalTransport.ts";
 import { type SFUConfig } from "../../../livekit/openIDSFU.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 export class ConnectionManagerData {
   private readonly store: Map<
diff --git a/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.test.ts b/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.test.ts
index 2e0051928..3bf9dc550 100644
--- a/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.test.ts
+++ b/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.test.ts
@@ -7,10 +7,7 @@ Please see LICENSE in the repository root for full details.
 
 import { describe, test, expect, beforeEach, afterEach, vi } from "vitest";
 import { logger } from "matrix-js-sdk/lib/logger";
-import {
-  type CallMembership,
-  type LivekitTransport,
-} from "matrix-js-sdk/lib/matrixrtc";
+import { type CallMembership } from "matrix-js-sdk/lib/matrixrtc";
 import { BehaviorSubject, combineLatest, map, type Observable } from "rxjs";
 
 import { type IConnectionManager } from "./ConnectionManager.ts";
@@ -33,6 +30,7 @@ import {
 import { type Connection } from "./Connection.ts";
 import { constant } from "../../Behavior.ts";
 import { localRtcMember } from "../../../utils/test-fixtures.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 let testScope: ObservableScope;
 
diff --git a/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.ts b/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.ts
index 6c9fff026..9b14da8d8 100644
--- a/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.ts
+++ b/src/state/CallViewModel/remoteMembers/MatrixLivekitMembers.ts
@@ -6,10 +6,7 @@ Please see LICENSE in the repository root for full details.
 */
 
 import { type LocalParticipant, type RemoteParticipant } from "livekit-client";
-import {
-  type CallMembership,
-  type LivekitTransport,
-} from "matrix-js-sdk/lib/matrixrtc";
+import { type CallMembership } from "matrix-js-sdk/lib/matrixrtc";
 import { combineLatest, filter, map } from "rxjs";
 import { logger } from "matrix-js-sdk/lib/logger";
 
@@ -18,6 +15,7 @@ import { type IConnectionManager } from "./ConnectionManager";
 import { Epoch, type ObservableScope } from "../../ObservableScope";
 import { type Connection } from "./Connection";
 import { generateItemsWithEpoch } from "../../../utils/observable";
+import { type LivekitTransport } from "../../../LivekitTransport";
 
 interface LocalTaggedParticipant {
   type: "local";
diff --git a/src/state/CallViewModel/remoteMembers/integration.test.ts b/src/state/CallViewModel/remoteMembers/integration.test.ts
index 4c0f4fea7..06e853a3b 100644
--- a/src/state/CallViewModel/remoteMembers/integration.test.ts
+++ b/src/state/CallViewModel/remoteMembers/integration.test.ts
@@ -10,7 +10,6 @@ import { BehaviorSubject, NEVER } from "rxjs";
 import { type Room as LivekitRoom } from "livekit-client";
 import EventEmitter from "events";
 import fetchMock from "fetch-mock";
-import { type LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
 import { logger } from "matrix-js-sdk/lib/logger";
 
 import {
@@ -35,6 +34,7 @@ import {
 import { createConnectionManager$ } from "./ConnectionManager.ts";
 import { membershipsAndTransports$ } from "../../SessionBehaviors.ts";
 import { localRtcMember, testJWTToken } from "../../../utils/test-fixtures.ts";
+import { type LivekitTransport } from "../../../LivekitTransport.ts";
 
 // Test the integration of ConnectionManager and MatrixLivekitMerger
 
diff --git a/src/state/SessionBehaviors.ts b/src/state/SessionBehaviors.ts
index 4ca1c5861..d1ed692b6 100644
--- a/src/state/SessionBehaviors.ts
+++ b/src/state/SessionBehaviors.ts
@@ -7,10 +7,8 @@ Please see LICENSE in the repository root for full details.
 
 import {
   type CallMembership,
-  type LivekitTransport,
   type MatrixRTCSession,
   MatrixRTCSessionEvent,
-  isLivekitTransport,
 } from "matrix-js-sdk/lib/matrixrtc";
 import { fromEvent } from "rxjs";
 
@@ -21,6 +19,7 @@ import {
   type ObservableScope,
 } from "./ObservableScope";
 import { type Behavior } from "./Behavior";
+import { isLivekitTransport, type LivekitTransport } from "../LivekitTransport";
 
 /**
  * Tracks the transports used by ourselves, plus all other MatrixRTC session
diff --git a/src/utils/test.ts b/src/utils/test.ts
index 1c49c0da4..81b8a9a62 100644
--- a/src/utils/test.ts
+++ b/src/utils/test.ts
@@ -25,8 +25,6 @@ import {
 } from "matrix-js-sdk";
 import {
   CallMembership,
-  type LivekitFocusSelection,
-  type LivekitTransport,
   type MatrixRTCSession,
   MatrixRTCSessionEvent,
   type MatrixRTCSessionEventHandlerMap,
@@ -79,6 +77,7 @@ import {
 } from "../state/media/RemoteScreenShareViewModel";
 import { Connection } from "../state/CallViewModel/remoteMembers/Connection";
 import { type SFUConfig } from "../livekit/openIDSFU";
+import { type LivekitTransport } from "../LivekitTransport";
 
 export function withFakeTimers(continuation: () => void): void {
   vi.useFakeTimers();
@@ -228,7 +227,6 @@ export function mockRtcMembership(
     rtcBackendIdentity?: string;
     callId?: string;
     fociPreferred?: Transport[];
-    focusActive?: LivekitFocusSelection;
     membership?: Partial<SessionMembershipData>;
   },
 ): CallMembership {