Product Title value appends default Option Value to End of Title

I generated a google shopping feed and title of some products have attribute option value appended to product title, for example following product, here’s link to product on my website: https://mailboxworld.com/shop/16-door-cbu-cluster-mailbox-and-pedestal-bronze/

Expected Title: 16 Door Cluster Mailbox CBU with Pedestal by Florence – USPS Approved – Type III – Dark Bronze – High Security

Received Title in XML file: 16 Door Cluster Mailbox CBU with Pedestal by Florence – USPS Approved – Type III – Dark Bronze – High Security – Set of 4 Wedge Anchors – For

How can I set it so attribute is not appended to product title?

Here is snippet of code from XML file for the product:

<item>
<g:id>28301</g:id>
<g:title><![CDATA[16 Door Cluster Mailbox CBU with Pedestal by Florence – USPS Approved – Type III – Dark Bronze – High Security – Set of 4 Wedge Anchors – For]]></g:title>
<g:description/>
<g:item_group_id>28298</g:item_group_id>
<link><![CDATA[https://mailboxworld.com/shop/16-door-cbu-cluster-mailbox-and-pedestal-bronze/?attribute_bolt-kit=Set+of+4+Wedge+Anchors+-+For+Existing+Concrete+%28%2B%2435.00%29&utm_source=Google+Shopping&utm_medium=cpc&utm_campaign=MailboxWorld_Google_Shopping_Feed]]></link>
<g:product_type><![CDATA[Residential Mailboxes > Locking Mailboxes > USPS Approved Residential Mailboxes > Cluster Box Units (CBU’s) > 16 Door CBU’s]]></g:product_type>
<g:google_product_category/>
<g:image_link><![CDATA[https://mailboxworld.com/wp-content/uploads/2016/07/1570-16DB-1.jpg]]></g:image_link>
<g:condition>new</g:condition>
<g:availability>in_stock</g:availability>
<g:price><![CDATA[2471.00 USD]]></g:price>
<g:sale_price><![CDATA[1803.00 USD]]></g:sale_price>
<g:mpn><![CDATA[1570-16DB]]></g:mpn>
<g:brand><![CDATA[Florence]]></g:brand>
<g:canonical_link><![CDATA[https://mailboxworld.com/shop/16-door-cbu-cluster-mailbox-and-pedestal-bronze/]]></g:canonical_link>
<g:additional_image_link/>
<g:additional_image_link/>
<g:additional_image_link/>
<g:additional_image_link/>
<g:additional_image_link/>
<g:gtin/>
<g:identifier_exists>yes</g:identifier_exists></item>`