Select the Wire: Use your mouse cursor to click on the stray wire that you want to delete. The wire should become highlighted or selected, indicating that it's the active element in your schematic.

Delete the Wire: Once the wire is selected, you can press the "Delete" key on your keyboard to remove the wire from your schematic. Alternatively, if Flux has a graphical user interface for editing, there might be a delete or trash can icon that you can click after selecting the wire.

Confirm Deletion: Some software may ask for confirmation before deleting an element from the schematic. If prompted, confirm that you want to delete the selected wire.

Save Your Changes: After deleting the stray wire, make sure to save your schematic to ensure that the change is preserved.