Delete a non-shared layer
1.On the Pages main tab with a page open, on the Layers palette, select the layer you want to delete.
2.Check-out the list of layers.
3.Right-click a layer and then select Delete.
Delete a shared layer (unshare)
1.On the Pages main tab with a page open, on the Layers palette, select the layer you want to delete and make sure that it reads <checked-out>.
If you read <free> instead, double-click it to check-out. If you see someone else's name, ask that user to yield a layer.
2.Check-out the list of layers.
3.Right-click a layer and then select Delete.
The layer is deleted from this page, but not from other pages where it was shared.
Notes
Even if a layer has the same name but different id on different pages, it is a different layer. Thus, deleting such layer do not affect other pages. That's not the case if the layer has the same id - that's a layer shared among pages.
You cannot delete the only layer.
See also