Not every layer on your map needs to be featured in the legend. This video shares examples in ArcGIS Map Viewer and ArcGIS Pro. It demonstrates four times when a layer can be removed from a legend. 

Follow along with the maps: 

• Transit 
• Street Lights
• Public Green Space
• Special Areas 

• Halifax Open Data
• Government of Canada; Natural Resources Canada; Earth Sciences Sector; Canada Centre for Mapping and Earth Observation: National Topographic Data Base (NTDB)and CanVec
• John Nelson, Esri
• OpenStreetMap 3D Buildings, OpenStreetMap contributors, Microsoft, Google, and Esri Community Maps contributors, Scene layer by Esri