unset( $this->loadedItems[$code] );
unset( $this->loadedSubitems[$code] );
unset( $this->initialisedLangs[$code] );
+ unset( $this->shallowFallbacks[$code] );
foreach ( $this->shallowFallbacks as $shallowCode => $fbCode ) {
if ( $fbCode === $code ) {