diff --git a/keyserver/src/socket/tunnelbroker.js b/keyserver/src/socket/tunnelbroker.js
--- a/keyserver/src/socket/tunnelbroker.js
+++ b/keyserver/src/socket/tunnelbroker.js
@@ -247,7 +247,6 @@
         );
         const payload = await this.encodeQRAuthMessage({
           type: qrCodeAuthMessageTypes.SECONDARY_DEVICE_REGISTRATION_SUCCESS,
-          requestBackupKeys: false,
         });
         if (!payload) {
           this.closeConnection();
diff --git a/lib/components/qr-auth-provider.react.js b/lib/components/qr-auth-provider.react.js
--- a/lib/components/qr-auth-provider.react.js
+++ b/lib/components/qr-auth-provider.react.js
@@ -117,7 +117,6 @@
     void (async () => {
       const message = await composeTunnelbrokerQRAuthMessage(qrData?.aesKey, {
         type: qrCodeAuthMessageTypes.SECONDARY_DEVICE_REGISTRATION_SUCCESS,
-        requestBackupKeys: true,
       });
       await sendMessageToDevice({
         deviceID: primaryDeviceID,
diff --git a/lib/types/tunnelbroker/qr-code-auth-message-types.js b/lib/types/tunnelbroker/qr-code-auth-message-types.js
--- a/lib/types/tunnelbroker/qr-code-auth-message-types.js
+++ b/lib/types/tunnelbroker/qr-code-auth-message-types.js
@@ -41,12 +41,10 @@
 
 export type SecondaryDeviceRegistrationSuccess = {
   +type: 'SecondaryDeviceRegistrationSuccess',
-  +requestBackupKeys: boolean,
 };
 export const secondaryDeviceRegistrationSuccessValidator: TInterface<SecondaryDeviceRegistrationSuccess> =
   tShape<SecondaryDeviceRegistrationSuccess>({
     type: tString(qrCodeAuthMessageTypes.SECONDARY_DEVICE_REGISTRATION_SUCCESS),
-    requestBackupKeys: t.Boolean,
   });
 
 export type QRCodeAuthMessagePayload =