dcover_obs = dcover/difference_cover.o
-TextCollection_obs = TextCollection.o TextCollectionBuilder.o TCImplementation.o Tools.o BitRank.o \
+TextCollection_obs = TextCollection.o TextCollectionBuilder.o FMIndexBuilder.o FMIndex.o Tools.o \
TextStorage.o ${LIBRLCSA} ${LIBCDSA} ${LIBLZTRIE} ${LIBSWCSA}
TCDebug_obs = bittree.o rbtree.o dynFMI.o