diff --git a/spec/unit/matrixrtc/MatrixRTCSession.spec.ts b/spec/unit/matrixrtc/MatrixRTCSession.spec.ts
index b3a3e93f5..c12da728a 100644
--- a/spec/unit/matrixrtc/MatrixRTCSession.spec.ts
+++ b/spec/unit/matrixrtc/MatrixRTCSession.spec.ts
@@ -21,6 +21,7 @@ import { MatrixRTCSession, MatrixRTCSessionEvent } from "../../../src/matrixrtc/
 import { type EncryptionKeysEventContent } from "../../../src/matrixrtc/types";
 import { secureRandomString } from "../../../src/randomstring";
 import { makeMockEvent, makeMockRoom, makeMockRoomState, membershipTemplate, makeKey } from "./mocks";
+import { RTCEncryptionManager } from "../../../src/matrixrtc/RTCEncryptionManager.ts";
 
 const mockFocus = { type: "mock" };
 
@@ -1016,6 +1017,9 @@ describe("MatrixRTCSession", () => {
                     await keySentPromise;
 
                     expect(sendToDeviceMock).toHaveBeenCalled();
+
+                    // Access private to test
+                    expect(sess["encryptionManager"]).toBeInstanceOf(RTCEncryptionManager);
                 } finally {
                     jest.useRealTimers();
                 }
diff --git a/src/matrixrtc/MatrixRTCSession.ts b/src/matrixrtc/MatrixRTCSession.ts
index 692109ea6..2b6b6a279 100644
--- a/src/matrixrtc/MatrixRTCSession.ts
+++ b/src/matrixrtc/MatrixRTCSession.ts
@@ -443,17 +443,6 @@ export class MatrixRTCSession extends TypedEventEmitter<
                     },
                 );
             }
-            this.encryptionManager = new EncryptionManager(
-                this.client.getUserId()!,
-                this.client.getDeviceId()!,
-                () => this.memberships,
-                transport,
-                this.statistics,
-                (keyBin: Uint8Array<ArrayBufferLike>, encryptionKeyIndex: number, participantId: string) => {
-                    this.emit(MatrixRTCSessionEvent.EncryptionKeyChanged, keyBin, encryptionKeyIndex, participantId);
-                },
-                this.logger,
-            );
         }
 
         // Join!