diff --git a/addons/mrp_subcontracting/views/stock_picking_views.xml b/addons/mrp_subcontracting/views/stock_picking_views.xml
index 29a6e908953..2884cc3f6ef 100644
--- a/addons/mrp_subcontracting/views/stock_picking_views.xml
+++ b/addons/mrp_subcontracting/views/stock_picking_views.xml
@@ -12,7 +12,7 @@
             <xpath expr="//field[@name='move_ids_without_package']//tree//button[@name='action_show_details']" position="after">
                 <field name="show_subcontracting_details_visible" invisible="1"/>
                 <button name="action_show_subcontract_details" string="Register components for subcontracted product" type="object" icon="fa-sitemap"
-                    attrs="{'invisible': [('show_subcontracting_details_visible', '=', False)]}"/>
+                    width="0" attrs="{'invisible': [('show_subcontracting_details_visible', '=', False)]}"/>
             </xpath>
         </field>
     </record>
diff --git a/addons/stock/views/stock_picking_views.xml b/addons/stock/views/stock_picking_views.xml
index 67cb0858c6a..5e8720247ba 100644
--- a/addons/stock/views/stock_picking_views.xml
+++ b/addons/stock/views/stock_picking_views.xml
@@ -343,11 +343,12 @@
                                     <field name="reserved_availability" string="Reserved" attrs="{'column_invisible': (['|','|', ('parent.state','=', 'done'), ('parent.picking_type_code', '=', 'incoming'), ('parent.immediate_transfer', '=', True)])}"/>
                                     <field name="quantity_done" string="Done" attrs="{'readonly': [('is_quantity_done_editable', '=', False)]}"/>
                                     <field name="product_uom" attrs="{'readonly': [('state', '!=', 'draft'), ('additional', '=', False)]}" options="{'no_open': True, 'no_create': True}" string="Unit of Measure" groups="uom.group_uom"/>
-                                    <button name="action_show_details" string="Register lots, packs, location" type="object" icon="fa-list"
+                                    <button name="action_show_details" string="Register lots, packs, location" type="object" icon="fa-list" width="0"
                                             attrs="{'invisible': [('show_details_visible', '=', False)]}" options='{"warn": true}'/>
                                     <button name="action_assign_serial" type="object"
                                             class="btn-sm btn-primary fa fa-plus-square-o"
                                             style="line-height: 1;"
+                                            width="0"
                                             role="img" title="Assign Serial Numbers"
                                             attrs="{'invisible': [('display_assign_serial', '=', False)]}"/>
                                 </tree>