Ditch the CCDB.
215 x 63 CCDB = 550g + 450# Steel coil at 520g = 1070g
215 x 63 CCDB + 450# Ti coil at 310g = 860g
RP23/Float is 250g - Standard tune was pants but hugely improved once tuned for me and my bike; not as good as the coil CCDB though (860g with Ti coil)... but my 420g tuned DHX Air is better than the coil CCDB
Not sure what tyres you have but run tubeless and use non UST tyres as they are lighter... perhaps use a UST only at the back if your clumsy
Rebuild your wheels with the Light-bicycle carbon rims and Revolution spokes - drop weight from 1900g to 1500g
XX1 type chainring at the front and clutch rear mech so you don't need a full guide.
Selle Italia SLR 135 saddle = 135g so lighter than the gobi... and more comfy (IMHO)... and won't snap in the middle like Gobi's do
Carbon bars - Kenesis Strut is 175g and 745mm... or if you don;t trust that the Easton Havoc is 220g (not a huge saving from a Renthal but every little counts).
Is any of this worth it? Probably not... but its fun
I've done this to my Nicolai Helius AM and dropping from 33lbs to 30lbs does make the bike feel better... next up would have to be XX1.