diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 39704c99..15919246 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -143,7 +143,6 @@
         <activity android:name=".ui.modules.settings.SettingsLicenseActivity"
             android:configChanges="orientation|keyboardHidden"
             android:theme="@style/AppTheme" />
-        <activity android:name=".ui.modules.webpush.QrScannerActivity" />
         <activity android:name="com.canhub.cropper.CropImageActivity"
             android:configChanges="orientation|keyboardHidden"
             android:theme="@style/Base.Theme.AppCompat" />
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/Extensions.kt b/app/src/main/java/pl/szczodrzynski/edziennik/Extensions.kt
index aaf0eec7..c17f4b3a 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/Extensions.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/Extensions.kt
@@ -1,12 +1,9 @@
 package pl.szczodrzynski.edziennik
 
-import android.Manifest
-import android.app.Activity
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageManager
 import android.content.res.ColorStateList
 import android.content.res.Resources
 import android.database.Cursor
@@ -29,7 +26,6 @@ import android.view.View
 import android.view.WindowManager
 import android.widget.*
 import androidx.annotation.*
-import androidx.core.app.ActivityCompat
 import androidx.core.database.getIntOrNull
 import androidx.core.database.getLongOrNull
 import androidx.core.database.getStringOrNull
@@ -304,19 +300,6 @@ fun colorFromCssName(name: String): Int {
 
 fun List<Profile>.filterOutArchived() = this.filter { !it.archived }
 
-fun Activity.isStoragePermissionGranted(): Boolean {
-    return if (Build.VERSION.SDK_INT >= 23) {
-        if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
-            true
-        } else {
-            ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.WRITE_EXTERNAL_STORAGE), 1)
-            false
-        }
-    } else {
-        true
-    }
-}
-
 fun Response?.getUnixDate(): Long {
     val rfcDate = this?.headers()?.get("date") ?: return currentTimeUnix()
     val pattern = "EEE, dd MMM yyyy HH:mm:ss Z"
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/webpush/QrScannerActivity.java b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/webpush/QrScannerActivity.java
deleted file mode 100644
index b9028ac5..00000000
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/webpush/QrScannerActivity.java
+++ /dev/null
@@ -1,75 +0,0 @@
-package pl.szczodrzynski.edziennik.ui.modules.webpush;
-
-import android.Manifest;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-
-import com.google.zxing.Result;
-
-import me.dm7.barcodescanner.zxing.ZXingScannerView;
-import pl.szczodrzynski.edziennik.R;
-
-public class QrScannerActivity extends AppCompatActivity implements ZXingScannerView.ResultHandler {
-    private ZXingScannerView mScannerView;
-    public static ZXingScannerView.ResultHandler resultHandler;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        mScannerView = new ZXingScannerView(this);   // Programmatically initialize the scanner view
-        setContentView(mScannerView);
-        int result = ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA);
-        if (result == PackageManager.PERMISSION_GRANTED) {
-            mScannerView.setResultHandler(this); // Register ourselves as a handler for scan results.
-            mScannerView.startCamera();          // Start camera on resume
-        } else {
-            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, 1);
-        }
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        mScannerView.setResultHandler(this); // Register ourselves as a handler for scan results.
-        mScannerView.startCamera();          // Start camera on resume
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        mScannerView.stopCamera();           // Stop camera on pause
-    }
-
-    @Override
-    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
-        switch (requestCode) {
-            case 1: {
-                // If request is cancelled, the result arrays are empty.
-                if (grantResults.length > 0
-                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                    mScannerView.startCamera();
-                } else {
-                    // permission denied, boo! Disable the
-                    // functionality that depends on this permission.
-                    Toast.makeText(this, R.string.no_permissions, Toast.LENGTH_SHORT).show();
-                }
-            }
-            // other 'case' lines to check for other
-            // permissions this app might request
-        }
-    }
-
-    @Override
-    public void handleResult(Result rawResult) {
-        if (resultHandler != null) {
-            resultHandler.handleResult(rawResult);
-        }
-        finish();
-    }
-}