how to get rid of old plants

[nova abyss]

Last autumn These old plant were trees. I didn't get rid of them in Winter. Now its spring and i cant destroy them. Not with the sicle nor the pickaxe, sword or other tools..

Some ideas..?😅

[ashen bison]

for that, you can use axe

[ashen bison]

have you tried to use axe? look like this. you can try this one and hope it works.