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Reference
Edit Mode
Armature ‣ Delete ‣ Bones
X
This tool delete selected bones, selected joints are ignored.
If you delete a bone in a chain, its child(ren) will be automatically re-parented to its own parent, but not connected, to avoid deforming the whole armature.
An armature with two selected bones, just before deletion.¶
The two bones have been deleted. Note that Bone.002, previously connected to the deleted Bone.001, is now parented but not connected to Bone.¶
Armature ‣ Delete ‣ Dissolve
Ctrl-X
Todo 2.76.