unexport symbols &optional package => t
Arguments and Values:
symbols---a designator for a list of symbols.
package---a package designator. The default is the current package.
unexport reverts external symbols in package to internal status; it undoes the effect of export.
unexport works only on symbols present in package, switching them back to internal status. If unexport is given a symbol that is already accessible as an internal symbol in package, it does nothing.
(in-package "COMMON-LISP-USER") => #<PACKAGE "COMMON-LISP-USER"> (export (intern "CONTRABAND" (make-package 'temp)) 'temp) => T (find-symbol "CONTRABAND") => NIL, NIL (use-package 'temp) => T (find-symbol "CONTRABAND") => CONTRABAND, :INHERITED (unexport 'contraband 'temp) => T (find-symbol "CONTRABAND") => NIL, NIL
Package system is modified.
Current state of the package system.
If unexport is given a symbol not accessible in package at all, an error of type package-error is signaled.
The consequences are undefined if package is the KEYWORD package or the COMMON-LISP package.
export, Section 11.1 (Package Concepts)