To uninstall OneSpan Sign Embedded Integration for Microsoft SharePoint 2013:
Navigate to the Central Administration site.
Click System Settings > Manage Farm Solutions.
Click eSignLive.com.ESL.UI.v1_1.wsp > Retract Solution.
Click eSignLive.com.ESL.WebServices.wsp > Retract Solution.
When the solutions are retracted, remove both solutions.