To Delete a Vertex in a Polyline

1. Click Modify > Object > Polyline.
2. Select a polyline.
3. Enter e (Edit vertex).

   The first vertex is marked with an X. Use the Next option to move the X to the vertex preceding the one that you want to delete.

4. Enter s (Straighten).
5. Use the Next option to move the X to the vertex immediately following the one that you want to delete.
6. Enter g (Go).

   The vertex on the polyline is deleted. The vertices on either side of the deleted vertex are joined by a straight polyline segment.

7. Enter x (Exit) to end editing vertices.
8. Press Enter to end the command.