diff --git a/app/src/main/res/layout/layout_history.xml b/app/src/main/res/layout/layout_history.xml
index 61e6e5817a9cfbb1f0aa5797b29208a74baf9b02..80c211dfc3b953a8053555ccfa16acd1f9966244 100644
--- a/app/src/main/res/layout/layout_history.xml
+++ b/app/src/main/res/layout/layout_history.xml
@@ -25,7 +25,8 @@
   xmlns:tools="http://schemas.android.com/tools"
   android:id="@+id/card_panel"
   android:layout_width="match_parent"
-  android:layout_height="match_parent">
+  android:layout_height="match_parent"
+  tools:ignore="MergeRootFrame">
 
   <android.support.v7.widget.CardView
     style="?attr/cardStyle"