diff --git a/app/release/app-release.apk b/app/release/app-release.apk
index dae458d..f2e1afc 100644
Binary files a/app/release/app-release.apk and b/app/release/app-release.apk differ
diff --git a/lib/src/main/java/com/king/zxing/DefaultCameraScan.java b/lib/src/main/java/com/king/zxing/DefaultCameraScan.java
index 973ea79..0c55838 100644
--- a/lib/src/main/java/com/king/zxing/DefaultCameraScan.java
+++ b/lib/src/main/java/com/king/zxing/DefaultCameraScan.java
@@ -1,15 +1,12 @@
 package com.king.zxing;
 
-import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.util.DisplayMetrics;
-import android.util.Size;
 import android.view.MotionEvent;
 import android.view.ScaleGestureDetector;
 import android.view.View;
-import android.view.ViewConfiguration;
 
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.zxing.BarcodeFormat;
diff --git a/versions.gradle b/versions.gradle
index 98fcd97..5cb5eb0 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -33,7 +33,7 @@ versions.kotlin = "1.4.10"
 versions.coreKtx = "1.3.2"
 
 //zxing
-versions.zxing = "3.3.0"
+versions.zxing = "3.3.3"
 
 versions.camerax = "1.0.0-rc01"