<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Wed Sep 02 03:29:28 UTC 2026 -->
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  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/vip/role/PortfolioCompanyOnly" xlink:type="extended">
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    <loc xlink:type="locator" xlink:label="ck0000914245_PIMCOVITAllAssetPortfolioMember" xlink:href="ck0000914245-20260904.xsd#ck0000914245_PIMCOVITAllAssetPortfolioMember"/>
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