diff --git a/refilc/android/app/build.gradle b/refilc/android/app/build.gradle
index ed504f6..1d24c20 100644
--- a/refilc/android/app/build.gradle
+++ b/refilc/android/app/build.gradle
@@ -120,7 +120,8 @@ android {
 
         release {
             signingConfig signingConfigs.release
-            shrinkResources false
+            shrinkResources true
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/refilc/android/app/proguard-rules.pro b/refilc/android/app/proguard-rules.pro
index 31bcfd1..00aeccc 100644
--- a/refilc/android/app/proguard-rules.pro
+++ b/refilc/android/app/proguard-rules.pro
@@ -11,4 +11,6 @@
 -dontwarn com.stripe.android.pushProvisioning.PushProvisioningEphemeralKeyProvider
 
 -dontwarn org.joda.convert.FromString
--dontwarn org.joda.convert.ToString
\ No newline at end of file
+-dontwarn org.joda.convert.ToString
+
+#-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
\ No newline at end of file
diff --git a/refilc_mobile_ui/lib/screens/settings/settings_screen.dart b/refilc_mobile_ui/lib/screens/settings/settings_screen.dart
index 08a67c8..e78ce9d 100644
--- a/refilc_mobile_ui/lib/screens/settings/settings_screen.dart
+++ b/refilc_mobile_ui/lib/screens/settings/settings_screen.dart
@@ -1101,27 +1101,6 @@ class SettingsScreenState extends State<SettingsScreen>
                   title: Text("other".i18n),
                   cardPadding: const EdgeInsets.all(4.0),
                   children: [
-                    PanelButton(
-                      leading: Icon(
-                        Icons.qr_code,
-                        size: 22.0,
-                        color: AppColors
-                            .of(context)
-                            .text
-                            .withOpacity(0.95),
-                      ),
-                      title: Text("qr_scanner".i18n),
-                      onPressed: () =>
-                          Navigator.of(context).push(
-                            MaterialPageRoute(
-                              builder: (context) => const CodeScannerScreen(),
-                            ),
-                          ),
-                      borderRadius: const BorderRadius.vertical(
-                        top: Radius.circular(12.0),
-                        bottom: Radius.circular(4.0),
-                      ),
-                    ),
                     PanelButton(
                       leading: Icon(
                         FeatherIcons.mail,