diff --git a/app/src/main/java/com/xypower/mpapp/v2/Camera2VideoActivity.java b/app/src/main/java/com/xypower/mpapp/v2/Camera2VideoActivity.java
index bdbd0c83..1e6c52c6 100644
--- a/app/src/main/java/com/xypower/mpapp/v2/Camera2VideoActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/v2/Camera2VideoActivity.java
@@ -83,9 +83,7 @@ public class Camera2VideoActivity extends AppCompatActivity {
     private int mOSDMargin = 0;
     private Paint mPaint;
     private Paint mPaintStroker;
-    private Paint mEmptyPaint;
     private Bitmap mBitmap;
-    private Bitmap mBitmapTime;
     GlWatermarkFilter mOSDFilter = null;
 
     private SimpleDateFormat mDateFormater;
@@ -615,9 +613,6 @@ public class Camera2VideoActivity extends AppCompatActivity {
                 mPaintStroker.setTextSize(fontSize);
                 mPaintStroker.setStrokeWidth(1);
 
-                mEmptyPaint = new Paint();
-                mEmptyPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
-
                 mBitmap = Bitmap.createBitmap(mVideoWidth, mVideoHeight, Bitmap.Config.ARGB_8888);
 
                 Canvas canvas = new Canvas(mBitmap);