diff --git a/app/src/main/res/layout/activity_sensor_calibration.xml b/app/src/main/res/layout/activity_sensor_calibration.xml
index 933bb7a..3368be4 100644
--- a/app/src/main/res/layout/activity_sensor_calibration.xml
+++ b/app/src/main/res/layout/activity_sensor_calibration.xml
@@ -7,7 +7,6 @@
     android:paddingTop="@dimen/_61dp">
 
     <TextView
-        android:id="@+id/tv_save"
         android:layout_width="wrap_content"
         android:layout_height="@dimen/_80dp"
         android:textColor="@color/color_error"