diff --git a/app/src/main/java/com/beemdevelopment/aegis/AegisBackupAgent.java b/app/src/main/java/com/beemdevelopment/aegis/AegisBackupAgent.java
index df989a7d..dc7dd002 100644
--- a/app/src/main/java/com/beemdevelopment/aegis/AegisBackupAgent.java
+++ b/app/src/main/java/com/beemdevelopment/aegis/AegisBackupAgent.java
@@ -9,7 +9,6 @@ import android.os.ParcelFileDescriptor;
 import android.util.Log;
 
 import com.beemdevelopment.aegis.util.IOUtils;
-import com.beemdevelopment.aegis.vault.VaultManager;
 import com.beemdevelopment.aegis.vault.VaultRepository;
 
 import java.io.File;
@@ -17,24 +16,17 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
-import dagger.hilt.InstallIn;
-import dagger.hilt.android.EarlyEntryPoint;
-import dagger.hilt.android.EarlyEntryPoints;
-import dagger.hilt.components.SingletonComponent;
-
 public class AegisBackupAgent extends BackupAgent {
     private static final String TAG = AegisBackupAgent.class.getSimpleName();
 
-    private VaultManager _vaultManager;
     private Preferences _prefs;
 
     @Override
     public void onCreate() {
         super.onCreate();
 
-        EntryPoint entryPoint = EarlyEntryPoints.get(this, EntryPoint.class);
-        _vaultManager = entryPoint.getVaultManager();
-        _prefs = entryPoint.getPreferences();
+        // cannot use injection with Dagger Hilt here, because the app is launched in a restricted mode on restore
+        _prefs = new Preferences(this);
     }
 
     @Override
@@ -57,7 +49,7 @@ public class AegisBackupAgent extends BackupAgent {
         createBackupDir();
         File vaultBackupFile = getVaultBackupFile();
         try {
-            _vaultManager.getVault().backupTo(vaultBackupFile);
+            VaultRepository.copyFileTo(this, vaultBackupFile);
         } catch (IOException e) {
             Log.e(TAG, String.format("onFullBackup() failed: %s", e));
             deleteBackupDir();
@@ -128,11 +120,4 @@ public class AegisBackupAgent extends BackupAgent {
     private File getVaultBackupFile() {
         return new File(new File(getFilesDir(), "backup"), VaultRepository.FILENAME);
     }
-
-    @EarlyEntryPoint
-    @InstallIn(SingletonComponent.class)
-    interface EntryPoint {
-        Preferences getPreferences();
-        VaultManager getVaultManager();
-    }
 }
diff --git a/app/src/main/java/com/beemdevelopment/aegis/vault/VaultManager.java b/app/src/main/java/com/beemdevelopment/aegis/vault/VaultManager.java
index 7d92bda3..375a2ef6 100644
--- a/app/src/main/java/com/beemdevelopment/aegis/vault/VaultManager.java
+++ b/app/src/main/java/com/beemdevelopment/aegis/vault/VaultManager.java
@@ -189,7 +189,7 @@ public class VaultManager {
             }
 
             File tempFile = File.createTempFile(VaultBackupManager.FILENAME_PREFIX, ".json", dir);
-            getVault().backupTo(tempFile);
+            VaultRepository.copyFileTo(_context, tempFile);
             _backups.scheduleBackup(tempFile, _prefs.getBackupsLocation(), _prefs.getBackupsVersionCount());
         } catch (IOException e) {
             throw new VaultRepositoryException(e);
diff --git a/app/src/main/java/com/beemdevelopment/aegis/vault/VaultRepository.java b/app/src/main/java/com/beemdevelopment/aegis/vault/VaultRepository.java
index aa857803..f888e6ad 100644
--- a/app/src/main/java/com/beemdevelopment/aegis/vault/VaultRepository.java
+++ b/app/src/main/java/com/beemdevelopment/aegis/vault/VaultRepository.java
@@ -107,6 +107,13 @@ public class VaultRepository {
         return new VaultRepository(context, vault, creds);
     }
 
+    public static void copyFileTo(Context context, File destFile) throws IOException {
+        try (InputStream inStream = VaultRepository.getAtomicFile(context).openRead();
+             OutputStream outStream = new FileOutputStream(destFile)) {
+            IOUtils.copy(inStream, outStream);
+        }
+    }
+
     void save() throws VaultRepositoryException {
         try {
             JSONObject obj = _vault.toJson();
@@ -172,13 +179,6 @@ public class VaultRepository {
         }
     }
 
-    public void backupTo(File destFile) throws IOException {
-        try (InputStream inStream = getAtomicFile(_context).openRead();
-             OutputStream outStream = new FileOutputStream(destFile)) {
-            IOUtils.copy(inStream, outStream);
-        }
-    }
-
     public void addEntry(VaultEntry entry) {
         _vault.getEntries().add(entry);
     }