Leaf Fungus on California Buckeye

A few branches and leaves on the California Buckeye, known to have Eutypella are showing some, assumed, fungal dieback.

Images taken 30 April and  1 May 2017.

Photo showing the overall appearance of the buckeyes.
Photo showing the overall appearance of the buckeyes.
There is an affected branch in the center area.
There is an affected branch in the center area.
Fading on some leaves.
Fading on some leaves.
Closeup showing dieback in a couple of spots on the primary tree.
Closeup showing dieback in a couple of spots on the primary tree.
Dieback visible here.
Dieback visible here.
Leaves showing distorted growth.
Leaves showing distorted growth.
Dieback areas
Dieback areas