Google Maps Plugin and Simplemap Store Locator plugin possible Conflict

There is a conflict between your Google Maps Plugin and the Simplemap Store Locator plugin ( in our website
We get the following warning in all pages

Warning: you have included the Google Maps API multiple times on this page. This may cause unexpected errors.

and errors when using the simplemap plugin in
After disabling the google maps plugin everything works great.

I would like to know if this is a known issue or if we could use a workaround , for example by disabling google maps plugin for that page only (maybe by modifying your plugin's code and by adding some conditionals).
Thanks in advance