ClearAttributes

ClearAttributes[s, attr] removes attr from the list of attributes of the symbol s.

ClearAttributes modifies Attributes[s].

ClearAttributes[s, , , ... ] removes several attributes at a time.

ClearAttributes[, , ... , attrs] removes attributes from several symbols at a time.

ClearAttributes is HoldFirst.

ClearAttributes does not affect symbols with the attribute Locked.

See The Mathematica Book: Section 2.3.7 and Section 2.5.3.

See also: SetAttributes, Unprotect.

Further Examples