fLibraryList.refresh(attrib);
} else {
BuildpathAttributeConfiguration config = fAttributeDescriptors
.get(attrib.getKey());
if (config != null) {
IBuildpathAttribute result = config
.performRemove(attrib
.getBuildpathAttributeAccess());
if (result != null) {
attrib.setValue(result.getValue());
fLibraryList.refresh(attrib);