diff --git a/osm/osm_processing.py b/osm/osm_processing.py
index e674b1a..8b8b572 100644
--- a/osm/osm_processing.py
+++ b/osm/osm_processing.py
@@ -10,12 +10,3 @@ def additional_datasets(map_folium):
 def map_layers(map_folium):
     folium.TileLayer('cartodbpositron', name='Bright-colored map').add_to(map_folium)
     folium.TileLayer('cartodbdark_matter', name='Dark-colored map').add_to(map_folium)
-
-def dual_maps_processing(map_folium):
-    folium.TileLayer("openstreetmap").add_to(map_folium.m1)
-    folium.TileLayer("openstreetmap").add_to(map_folium.m2)
-    folium.TileLayer("cartodb dark_matter", name='Dark-colored map').add_to(map_folium.m1)
-    folium.TileLayer("cartodb dark_matter", name='Dark-colored map').add_to(map_folium.m2)
-    folium.TileLayer('cartodbpositron', name='Bright-colored map').add_to(map_folium.m1)
-    folium.TileLayer('cartodbpositron', name='Bright-colored map').add_to(map_folium.m2)
-    folium.LayerControl(collapsed=False).add_to(map_folium)