You can choose to hide the Buildxact pricelists/Catalogs.
In the Navigation menu, click on "Catalogs"
Choose "My Price Lists" from the sub-menu
Click on the setting button
Toggle "Hide Buildxact Catalogs"
NOTE: Switching off the Buildxact Catalogs will also switch off the Buildxact Recipes, if you want to use Buildxact recipes, toggle back "Hide Buildxact Catalogs"