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How Do I Delete All Layers In Gimp? [Solved]
If there is a small number of layers you want to keep or delete:Make the layers you want to keep invisible (shift-click on the eye icon on any layers toggles the visibility status of all other layers). Image>Merge visible layers (Ctrl-M)Delete the resulting layer.
Delete Layers on GIMP
GIMP Tutorial - General #11 - How to delete layers
How to
Eraser Tool Photo Editing Tips for GIMP 2.10
The eraser tool is pretty self explanatory but here are some less obvious things that you should know about how to use the eraser …