diff --git a/src/Makefile.am b/src/Makefile.am
index b30b81e..d379de6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -50,20 +50,7 @@ distclean-local:
 	rm -f LineBreak.txt WordBreakData.txt GraphemeBreakData.txt emoji-data.txt LineBreakTest.txt WordBreakTest.txt GraphemeBreakTest.txt
 
 
-LineBreak.txt:
-	wget http://unicode.org/Public/UNIDATA/LineBreak.txt
-
-WordBreakProperty.txt:
-	wget http://www.unicode.org/Public/UNIDATA/auxiliary/WordBreakProperty.txt
-
-GraphemeBreakProperty.txt:
-	wget http://www.unicode.org/Public/UNIDATA/auxiliary/GraphemeBreakProperty.txt
-
-emoji-data.txt:
-	wget https://www.unicode.org/Public/UNIDATA/emoji/emoji-data.txt
-
-
-linebreakdata: LineBreak.txt
+linebreakdata:
 	sed -E -n -f ${srcdir}/extract_data.sed LineBreak.txt | \
 	sed -E -f ${srcdir}/expand_single.sed | \
 	${srcdir}/generate_linebreakdata.py > tmp.c
@@ -71,7 +58,7 @@ linebreakdata: LineBreak.txt
 	cat ${srcdir}/linebreakdata1.tmpl tmp.txt tmp.c > ${srcdir}/linebreakdata.c
 	rm tmp.txt tmp.c
 
-wordbreakdata: WordBreakProperty.txt
+wordbreakdata:
 	sed -E -n -f ${srcdir}/extract_data.sed WordBreakProperty.txt | \
 	sed -E -f ${srcdir}/expand_single.sed | \
 	${srcdir}/sort_numeric_hex.py | \
@@ -82,7 +69,7 @@ wordbreakdata: WordBreakProperty.txt
 	cat ${srcdir}/wordbreakdata1.tmpl tmp.txt ${srcdir}/wordbreakdata2.tmpl >> ${srcdir}/wordbreakdata.c
 	rm tmp.txt
 
-graphemebreakdata: GraphemeBreakProperty.txt
+graphemebreakdata:
 	sed -E -n -f ${srcdir}/extract_data.sed GraphemeBreakProperty.txt | \
 	sed -E -f ${srcdir}/expand_single.sed | \
 	${srcdir}/sort_numeric_hex.py | \
@@ -93,7 +80,7 @@ graphemebreakdata: GraphemeBreakProperty.txt
 	cat ${srcdir}/graphemebreakdata1.tmpl tmp.txt ${srcdir}/graphemebreakdata2.tmpl >> ${srcdir}/graphemebreakdata.c
 	rm tmp.txt
 
-emojidata: emoji-data.txt
+emojidata:
 	echo "/* The content of this file is generated from:" > ${srcdir}/emojidata.c
 	head -2 emoji-data.txt >> ${srcdir}/emojidata.c
 	echo "*/" >> ${srcdir}/emojidata.c
@@ -115,16 +102,8 @@ tests_CPPFLAGS = -I$(srcdir)
 tests_LDADD = libunibreak.la
 tests_DEPENDENCIES = libunibreak.la
 
-check: LineBreakTest.txt WordBreakTest.txt GraphemeBreakTest.txt $(check_PROGRAMS)
+check: $(check_PROGRAMS)
 	./tests line
 	./tests word
 	./tests grapheme
 
-LineBreakTest.txt:
-	wget http://www.unicode.org/Public/UNIDATA/auxiliary/LineBreakTest.txt
-
-WordBreakTest.txt:
-	wget http://www.unicode.org/Public/UNIDATA/auxiliary/WordBreakTest.txt
-
-GraphemeBreakTest.txt:
-	wget http://www.unicode.org/Public/UNIDATA/auxiliary/GraphemeBreakTest.txt