diff --git a/native/account/logged-out-modal.react.js b/native/account/logged-out-modal.react.js
--- a/native/account/logged-out-modal.react.js
+++ b/native/account/logged-out-modal.react.js
@@ -1,6 +1,7 @@
 // @flow
 
 import Icon from '@expo/vector-icons/FontAwesome.js';
+import { useNavigation } from '@react-navigation/core';
 import * as React from 'react';
 import {
   View,
@@ -49,7 +50,7 @@
   type NavigationRoute,
   LoggedOutModalRouteName,
   RegistrationRouteName,
-  SignInNavigatorRouteName,
+  QRCodeScreenRouteName,
 } from '../navigation/route-names.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { derivedDimensionsInfoSelector } from '../selectors/dimensions-selectors.js';
@@ -203,6 +204,7 @@
   +navigation: RootNavigationProp<'LoggedOutModal'>,
   +route: NavigationRoute<'LoggedOutModal'>,
 };
+// eslint-disable-next-line no-unused-vars
 function LoggedOutModal(props: Props) {
   const mountedRef = React.useRef(false);
   React.useEffect(() => {
@@ -397,9 +399,11 @@
     combinedSetMode('log-in');
   }, [combinedSetMode]);
 
-  const { navigate } = props.navigation;
+  const { navigate } = useNavigation();
   const onPressQRCodeSignIn = React.useCallback(() => {
-    navigate(SignInNavigatorRouteName);
+    navigate(RegistrationRouteName, {
+      screen: QRCodeScreenRouteName,
+    });
   }, [navigate]);
 
   const onPressNewRegister = React.useCallback(() => {
diff --git a/native/account/qr-code-screen.react.js b/native/account/qr-code-screen.react.js
--- a/native/account/qr-code-screen.react.js
+++ b/native/account/qr-code-screen.react.js
@@ -13,14 +13,14 @@
 import AuthButtonContainer from './auth-components/auth-button-container.react.js';
 import AuthContainer from './auth-components/auth-container.react.js';
 import AuthContentContainer from './auth-components/auth-content-container.react.js';
-import type { SignInNavigationProp } from './sign-in-navigator.react.js';
+import type { RegistrationNavigationProp } from './sign-in-navigator.react.js';
 import LinkButton from '../components/link-button.react.js';
 import type { NavigationRoute } from '../navigation/route-names.js';
 import { RestorePromptScreenRouteName } from '../navigation/route-names.js';
 import { useStyles } from '../themes/colors.js';
 
 type QRCodeScreenProps = {
-  +navigation: SignInNavigationProp<'QRCodeScreen'>,
+  +navigation: RegistrationNavigationProp<'QRCodeScreen'>,
   +route: NavigationRoute<'QRCodeScreen'>,
 };
 
diff --git a/native/account/registration/registration-navigator.react.js b/native/account/registration/registration-navigator.react.js
--- a/native/account/registration/registration-navigator.react.js
+++ b/native/account/registration/registration-navigator.react.js
@@ -34,6 +34,7 @@
 import RegistrationTerms from './registration-terms.react.js';
 import { CreateSIWEBackupMessage } from './siwe-backup-message-creation.react.js';
 import UsernameSelection from './username-selection.react.js';
+import RestoreSIWEBackup from '../../backup/restore-siwe-backup.react.js';
 import RegistrationUserAvatarCameraModal from '../../media/registration-user-avatar-camera-modal.react.js';
 import type { RootNavigationProp } from '../../navigation/root-navigator.react.js';
 import {
@@ -52,7 +53,16 @@
   AccountDoesNotExistRouteName,
   type ScreenParamList,
   type RegistrationParamList,
+  QRCodeScreenRouteName,
+  RestorePromptScreenRouteName,
+  RestorePasswordAccountScreenRouteName,
+  RestoreBackupScreenRouteName,
+  RestoreSIWEBackupRouteName,
 } from '../../navigation/route-names.js';
+import QRCodeScreen from '../qr-code-screen.react.js';
+import RestoreBackupScreen from '../restore-backup-screen.react.js';
+import RestorePasswordAccountScreen from '../restore-password-account-screen.react.js';
+import RestorePromptScreen from '../restore-prompt-screen.react.js';
 
 export type RegistrationNavigationHelpers<
   ParamList: ParamListBase = ParamListBase,
@@ -198,6 +208,26 @@
         name={AccountDoesNotExistRouteName}
         component={AccountDoesNotExist}
       />
+      <Registration.Screen
+        name={QRCodeScreenRouteName}
+        component={QRCodeScreen}
+      />
+      <Registration.Screen
+        name={RestorePromptScreenRouteName}
+        component={RestorePromptScreen}
+      />
+      <Registration.Screen
+        name={RestorePasswordAccountScreenRouteName}
+        component={RestorePasswordAccountScreen}
+      />
+      <Registration.Screen
+        name={RestoreBackupScreenRouteName}
+        component={RestoreBackupScreen}
+      />
+      <Registration.Screen
+        name={RestoreSIWEBackupRouteName}
+        component={RestoreSIWEBackup}
+      />
     </Registration.Navigator>
   );
 }
diff --git a/native/account/restore-backup-screen.react.js b/native/account/restore-backup-screen.react.js
--- a/native/account/restore-backup-screen.react.js
+++ b/native/account/restore-backup-screen.react.js
@@ -9,8 +9,8 @@
 import AuthContainer from './auth-components/auth-container.react.js';
 import AuthContentContainer from './auth-components/auth-content-container.react.js';
 import { setNativeCredentials } from './native-credentials.js';
+import type { RegistrationNavigationProp } from './registration/registration-navigator.react.js';
 import { useRestore } from './restore.js';
-import type { SignInNavigationProp } from './sign-in-navigator.react.js';
 import { commCoreModule } from '../native-modules.js';
 import type { NavigationRoute } from '../navigation/route-names.js';
 import { useColors, useStyles } from '../themes/colors.js';
@@ -22,7 +22,7 @@
 import Alert from '../utils/alert.js';
 
 type Props = {
-  +navigation: SignInNavigationProp<'RestoreBackupScreen'>,
+  +navigation: RegistrationNavigationProp<'RestoreBackupScreen'>,
   +route: NavigationRoute<'RestoreBackupScreen'>,
 };
 
diff --git a/native/account/restore-password-account-screen.react.js b/native/account/restore-password-account-screen.react.js
--- a/native/account/restore-password-account-screen.react.js
+++ b/native/account/restore-password-account-screen.react.js
@@ -15,8 +15,8 @@
 } from './native-credentials.js';
 import type { UserCredentials } from './native-credentials.js';
 import PromptButton from './prompt-button.react.js';
+import type { RegistrationNavigationProp } from './registration/registration-navigator.react';
 import RegistrationTextInput from './registration/registration-text-input.react.js';
-import type { SignInNavigationProp } from './sign-in-navigator.react.js';
 import { useClientBackup } from '../backup/use-client-backup.js';
 import type { NavigationRoute } from '../navigation/route-names.js';
 import { RestoreBackupScreenRouteName } from '../navigation/route-names.js';
@@ -29,7 +29,7 @@
 import Alert from '../utils/alert.js';
 
 type Props = {
-  +navigation: SignInNavigationProp<'RestorePasswordAccountScreen'>,
+  +navigation: RegistrationNavigationProp<'RestorePasswordAccountScreen'>,
   +route: NavigationRoute<'RestorePasswordAccountScreen'>,
 };
 
diff --git a/native/account/restore-prompt-screen.react.js b/native/account/restore-prompt-screen.react.js
--- a/native/account/restore-prompt-screen.react.js
+++ b/native/account/restore-prompt-screen.react.js
@@ -11,7 +11,7 @@
 import AuthContainer from './auth-components/auth-container.react.js';
 import AuthContentContainer from './auth-components/auth-content-container.react.js';
 import PromptButton from './prompt-button.react.js';
-import type { SignInNavigationProp } from './sign-in-navigator.react';
+import type { RegistrationNavigationProp } from './registration/registration-navigator.react.js';
 import { useSIWEPanelState } from './siwe-hooks.js';
 import SIWEPanel from './siwe-panel.react.js';
 import { useClientBackup } from '../backup/use-client-backup.js';
@@ -29,7 +29,7 @@
 import RestoreIcon from '../vectors/restore-icon.react.js';
 
 type Props = {
-  +navigation: SignInNavigationProp<'RestorePromptScreen'>,
+  +navigation: RegistrationNavigationProp<'RestorePromptScreen'>,
   +route: NavigationRoute<'RestorePromptScreen'>,
 };
 
diff --git a/native/account/sign-in-navigator.react.js b/native/account/sign-in-navigator.react.js
deleted file mode 100644
--- a/native/account/sign-in-navigator.react.js
+++ /dev/null
@@ -1,84 +0,0 @@
-// @flow
-
-import type {
-  StackNavigationProp,
-  StackNavigationHelpers,
-} from '@react-navigation/core';
-import { createStackNavigator } from '@react-navigation/stack';
-import * as React from 'react';
-
-import QRCodeScreen from './qr-code-screen.react.js';
-import RestoreBackupScreen from './restore-backup-screen.react.js';
-import RestorePasswordAccountScreen from './restore-password-account-screen.react.js';
-import RestorePromptScreen from './restore-prompt-screen.react.js';
-import RestoreSIWEBackup from '../backup/restore-siwe-backup.react.js';
-import type { RootNavigationProp } from '../navigation/root-navigator.react.js';
-import {
-  type ScreenParamList,
-  type SignInParamList,
-  QRCodeScreenRouteName,
-  RestorePromptScreenRouteName,
-  RestorePasswordAccountScreenRouteName,
-  RestoreBackupScreenRouteName,
-  RestoreSIWEBackupRouteName,
-} from '../navigation/route-names.js';
-import { useColors } from '../themes/colors.js';
-
-export type SignInNavigationProp<RouteName: $Keys<SignInParamList>> =
-  StackNavigationProp<ScreenParamList, RouteName>;
-
-const SignInStack = createStackNavigator<
-  ScreenParamList,
-  SignInParamList,
-  StackNavigationHelpers<ScreenParamList>,
->();
-
-type SignInNavigatorProps = {
-  +navigation: RootNavigationProp<'SignInNavigator'>,
-  ...
-};
-
-// eslint-disable-next-line no-unused-vars
-function SignInNavigator(props: SignInNavigatorProps): React.Node {
-  const colors = useColors();
-
-  const screenOptions = React.useMemo(
-    () => ({
-      headerTransparent: true,
-      headerBackTitleVisible: false,
-      headerTitle: '',
-      headerTintColor: colors.panelForegroundLabel,
-      headerLeftContainerStyle: {
-        paddingLeft: 12,
-      },
-    }),
-    [colors.panelForegroundLabel],
-  );
-
-  return (
-    <SignInStack.Navigator screenOptions={screenOptions}>
-      <SignInStack.Screen
-        name={QRCodeScreenRouteName}
-        component={QRCodeScreen}
-      />
-      <SignInStack.Screen
-        name={RestorePromptScreenRouteName}
-        component={RestorePromptScreen}
-      />
-      <SignInStack.Screen
-        name={RestorePasswordAccountScreenRouteName}
-        component={RestorePasswordAccountScreen}
-      />
-      <SignInStack.Screen
-        name={RestoreBackupScreenRouteName}
-        component={RestoreBackupScreen}
-      />
-      <SignInStack.Screen
-        name={RestoreSIWEBackupRouteName}
-        component={RestoreSIWEBackup}
-      />
-    </SignInStack.Navigator>
-  );
-}
-
-export default SignInNavigator;
diff --git a/native/navigation/root-navigator.react.js b/native/navigation/root-navigator.react.js
--- a/native/navigation/root-navigator.react.js
+++ b/native/navigation/root-navigator.react.js
@@ -49,7 +49,6 @@
   InviteLinkNavigatorRouteName,
   CommunityCreationRouteName,
   RolesNavigatorRouteName,
-  SignInNavigatorRouteName,
   UserProfileBottomSheetNavigatorRouteName,
   KeyserverSelectionBottomSheetRouteName,
   ConnectFarcasterBottomSheetRouteName,
@@ -62,7 +61,6 @@
 import QRAuthNavigator from '../account/qr-auth/qr-auth-navigator.react.js';
 import CreateMissingSIWEBackupMessage from '../account/registration/missing-registration-data/missing-siwe-backup-message.react.js';
 import RegistrationNavigator from '../account/registration/registration-navigator.react.js';
-import SignInNavigator from '../account/sign-in-navigator.react.js';
 import TermsAndPrivacyModal from '../account/terms-and-privacy-modal.react.js';
 import ThreadPickerModal from '../calendar/thread-picker-modal.react.js';
 import ImagePasteModal from '../chat/image-paste-modal.react.js';
@@ -213,11 +211,6 @@
         component={RegistrationNavigator}
         options={disableGesturesScreenOptions}
       />
-      <Root.Screen
-        name={SignInNavigatorRouteName}
-        component={SignInNavigator}
-        options={disableGesturesScreenOptions}
-      />
       <Root.Screen
         name={CommunityCreationRouteName}
         component={CommunityCreationNavigator}
diff --git a/native/navigation/route-names.js b/native/navigation/route-names.js
--- a/native/navigation/route-names.js
+++ b/native/navigation/route-names.js
@@ -151,7 +151,6 @@
 export const RolesNavigatorRouteName = 'RolesNavigator';
 export const CommunityRolesScreenRouteName = 'CommunityRolesScreen';
 export const CreateRolesScreenRouteName = 'CreateRolesScreen';
-export const SignInNavigatorRouteName = 'SignInNavigator';
 export const QRCodeScreenRouteName = 'QRCodeScreen';
 export const RestorePromptScreenRouteName = 'RestorePromptScreen';
 export const RestorePasswordAccountScreenRouteName =
@@ -205,7 +204,6 @@
   +InviteLinkModal: InviteLinkModalParams,
   +InviteLinkNavigator: InviteLinksNavigatorParams,
   +RolesNavigator: void,
-  +SignInNavigator: void,
   +UserProfileBottomSheetNavigator: void,
   +TunnelbrokerMenu: void,
   +KeyserverSelectionBottomSheet: KeyserverSelectionBottomSheetParams,
@@ -323,6 +321,11 @@
   +RegistrationUserAvatarCameraModal: void,
   +RegistrationTerms: RegistrationTermsParams,
   +AccountDoesNotExist: void,
+  +QRCodeScreen: void,
+  +RestorePromptScreen: void,
+  +RestorePasswordAccountScreen: void,
+  +RestoreBackupScreen: RestoreBackupScreenParams,
+  +RestoreSIWEBackup: RestoreSIWEBackupParams,
 };
 
 export type InviteLinkParamList = {
@@ -344,14 +347,6 @@
   +TagFarcasterChannelByName: TagFarcasterChannelByNameParams,
 };
 
-export type SignInParamList = {
-  +QRCodeScreen: void,
-  +RestorePromptScreen: void,
-  +RestorePasswordAccountScreen: void,
-  +RestoreBackupScreen: RestoreBackupScreenParams,
-  +RestoreSIWEBackup: RestoreSIWEBackupParams,
-};
-
 export type UserProfileBottomSheetParamList = {
   +UserProfileBottomSheet: UserProfileBottomSheetParams,
   +UserProfileAvatarModal: UserProfileAvatarModalParams,
@@ -379,7 +374,6 @@
   ...InviteLinkParamList,
   ...CommunityCreationParamList,
   ...RolesParamList,
-  ...SignInParamList,
   ...UserProfileBottomSheetParamList,
   ...TagFarcasterChannelParamList,
   ...QRAuthNavigatorParamList,
@@ -388,11 +382,7 @@
 export type NavigationRoute<RouteName: string = $Keys<ScreenParamList>> =
   RouteProp<ScreenParamList, RouteName>;
 
-export const accountModals = [
-  LoggedOutModalRouteName,
-  RegistrationRouteName,
-  SignInNavigatorRouteName,
-];
+export const accountModals = [LoggedOutModalRouteName, RegistrationRouteName];
 
 export const scrollBlockingModals = [
   ImageModalRouteName,