The following keywords are for examining, for keeping and for removing symbols, functions, and entire packages from the image.
:delete-packages
:exports
:functions-to-remove
:keep-documentation
:keep-foreign-symbols
:keep-function-name
:keep-load-function
:keep-package-manipulation
:keep-symbols
:macro-packages-to-keep
:never-shake-packages
:no-symbol-function-usage
:packages-to-keep
:packages-to-keep-symbol-names
:redefine-compiler-p
:remove-setf-function-name
:shake-externals
:smash-packages
:smash-packages-symbols
:symbol-names-action