diff --git a/app/src/main/res/layout/component_tabstray.xml b/app/src/main/res/layout/component_tabstray.xml
index eaf5d2e8a..3d0ba0582 100644
--- a/app/src/main/res/layout/component_tabstray.xml
+++ b/app/src/main/res/layout/component_tabstray.xml
@@ -4,7 +4,6 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:mozac="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/tab_wrapper"
     style="@style/BottomSheetModal"