We don't use this one either.

src/main/resources/locale/locale_en_US.properties

@@ -55,7 +55,6 @@ Axes.Ability.Bonus.4=Greater Impact
 Axes.Ability.Bonus.5=Deal {0} Bonus DMG to unarmored foes
 Axes.Ability.Lower=[[GRAY]]**YOU LOWER YOUR AXE**
 Axes.Ability.Ready=[[GREEN]]**YOU READY YOUR AXE**
-Axes.Combat.Cleave.Proc=[[DARK_RED]]Struck by CLEAVE!
 Axes.Combat.CritStruck=[[DARK_RED]]You were CRITICALLY hit!
 Axes.Combat.CritChance=[[RED]]Chance to critically strike: [[YELLOW]]{0}
 Axes.Combat.CriticalHit=[[RED]]CRITICAL HIT!