--- a/src/HOL/Library/Library.thy Mon Jun 05 15:59:45 2017 +0200 +++ b/src/HOL/Library/Library.thy Mon Jun 05 15:59:45 2017 +0200 @@ -48,7 +48,6 @@ Nonpos_Ints Numeral_Type Omega_Words_Fun - OptionalSugar Option_ord Order_Continuity Parallel