I tried various steps to remove breakpoints from Android Studio . One of them listed in question BreakPoint link
I followed this but , still there are some green col
My SOP:
Favorites from the left hand edge of the screen; Breakpoints delete or the - button (located at the bottom of the window)Alternative:
⌘ ⇧ F8 (Mac) or Ctrl ⇧ F8 (Windows) brings up the breakpoint dialog. Highlight the breakpoints you want to remove and press the - button.