diff --git a/contrib/kbipack/Makefile.bak b/contrib/kbipack/Makefile.bak
deleted file mode 100755
index edcef1ca84b0499b5cd1602e7271ea3a2aa12f5c..0000000000000000000000000000000000000000
--- a/contrib/kbipack/Makefile.bak
+++ /dev/null
@@ -1,77 +0,0 @@
-#FLAGS = -O3 -funroll-all-loops -ansi -pedantic -Wall -U DEBUG
-# Flags for different diagnostics: 
-#FLAGS = -g -ansi -pedantic -Wall -fprofile-arcs -ftest-coverage -pg
-#FLAGS = -g -ansi -pedantic -Wall -pg 
-
-# If gmp.h is not found de facto (e.g. when it is privately intalled), 
-# its path should be put here
-#INCL  = 
-
-#LIBS   = -lgmp
-#LIBDIR = .
-#SRC    = gmp_normal_form.c gmp_matrix_io.c gmp_matrix.c gmp_blas.c
-
-# The compiler options are for gcc. If it is not available, 
-# suitable flags must be set for the compiler
-#CC     = gcc
-#RM     = rm -f
-#RANLIB = ranlib
-
-#libkbi.a: $(SRC) 
-#	$(RM) *.o
-#	$(CC) -c $(FLAGS) $(SRC)
-#	ar r libkbi.a *.o
-#	$(RM) *.o
-#	$(RANLIB) libkbi.a 
-
-#compute_normal_form: libkbi compute_normal_form.c 
-#	$(CC) $(FLAGS) -L $(LIBDIR) $(INCL) compute_normal_form.c -o compute_normal_form -lkbi $(LIBS)
-#clean:
-#	$(RM) compute_normal_form
-#	$(RM) *.o
-
-##
-
-include ../../variables
-
-LIB = ../../lib/libGmshKbi${LIBEXT}
-
-INC = ${DASH}I.
-
-CFLAGS = ${OPTIM} ${FLAGS} ${INC} ${SYSINCLUDE} -lgmp
-
-SRC = gmp_normal_form.c\
-      gmp_matrix_io.c\
-      gmp_matrix.c\
-      gmp_blas.c
-      
-OBJ = ${SRC:.c=${OBJEXT}}
-
-.SUFFIXES: ${OBJEXT} .c
-
-${LIB}: ${OBJ}
-	${AR} ${ARFLAGS}${LIB} ${OBJ}
-	${RANLIB} ${LIB}
-
-cpobj: ${OBJ} 
-	cp -f ${OBJ} ../../lib/
-
-.c${OBJEXT}:
-	${CC} ${CFLAGS} ${DASH}c $<
-       
-clean:
-	${RM} *.o *.obj
-	
-depend:
-	(sed '/^# DO NOT DELETE THIS LINE/q' Makefile && \
-         ${CXX} -MM ${CFLAGS} ${SRC} | sed 's/.o:/$${OBJEXT}:/g' \
-        ) > Makefile.new
-	cp Makefile Makefile.bak
-	cp Makefile.new Makefile
-	rm -f Makefile.new
-
-# DO NOT DELETE THIS LINE	
-gmp_matrix${OBJEXT}: gmp_matrix.c gmp_blas.h gmp_matrix.h
-gmp_blas${OBJEXT}: gmp_blas.c gmp_blas.h
-gmp_matrix_io${OBJEXT}: gmp_matrix_io.c gmp_matrix_io.h
-gmp_normal_form${OBJEXT}: gmp_normal_form.c gmp_blas.h gmp_matrix.h gmp_normal_form.h