Placing a map into an item frame and removing it does not remove the green player marker

When i created a map and placed it into a item frame it created a green marker, as it should. but when i removed it, the markers where still there. while this might not be as big as an issue, when placing the same map in multiple item frames it creates a potential mess for pixel art and getting an idea of building

    ~thanks for reading

                           Cap_Keye5