A typical approach is to mark a line as hidden.
One thing to keep in mind is that hidden is only supported for left-to-right ->, and top-to-bottom --> lines, so you need to place the left and right side accordingly (syntax X <[hidden]- Y doesn’t seem to be supported).
@startuml
class ComponentA
ComponentB -[hidden]> ComponentA
ComponentA -[hidden]-> ComponentC
@enduml
See also How to correct PlantUML Line Path for more positioning tips.