diff --git a/src/crypto/index.js b/src/crypto/index.js
index 8a997238c..a76c158d9 100644
--- a/src/crypto/index.js
+++ b/src/crypto/index.js
@@ -41,7 +41,11 @@ import {
 import {SECRET_STORAGE_ALGORITHM_V1, SecretStorage} from './SecretStorage';
 import {OutgoingRoomKeyRequestManager} from './OutgoingRoomKeyRequestManager';
 import {IndexedDBCryptoStore} from './store/indexeddb-crypto-store';
-import {ReciprocateQRCode, SCAN_QR_CODE_METHOD, SHOW_QR_CODE_METHOD} from './verification/QRCode';
+import {
+    ReciprocateQRCode,
+    SCAN_QR_CODE_METHOD,
+    SHOW_QR_CODE_METHOD,
+} from './verification/QRCode';
 import {SAS} from './verification/SAS';
 import {keyFromPassphrase} from './key_passphrase';
 import {encodeRecoveryKey} from './recoverykey';
diff --git a/src/crypto/verification/QRCode.js b/src/crypto/verification/QRCode.js
index f74ccc9cf..a4a37e0f0 100644
--- a/src/crypto/verification/QRCode.js
+++ b/src/crypto/verification/QRCode.js
@@ -22,16 +22,9 @@ limitations under the License.
 
 import {VerificationBase as Base} from "./Base";
 import {
-    errorFactory,
-    newKeyMismatchError, newUnknownTransactionError,
-    newUserCancelledError,
+    newKeyMismatchError,
     newUserMismatchError,
 } from './Error';
-import * as qs from "qs";
-
-const MATRIXTO_REGEXP = /^(?:https?:\/\/)?(?:www\.)?matrix\.to\/#\/([#@!+][^?]+)\?(.+)$/;
-
-const newQRCodeError = errorFactory("m.qr_code.invalid", "Invalid QR code");
 
 export const SHOW_QR_CODE_METHOD = "m.qr_code.show.v1";
 export const SCAN_QR_CODE_METHOD = "m.qr_code.scan.v1";