diff --git a/contours/Makefile.2008 b/contours/Makefile.2008
deleted file mode 100644
index 514fc6e..0000000
--- a/contours/Makefile.2008
+++ /dev/null
@@ -1,49 +0,0 @@
-#krekenava
-BOUNDS = xmin=493674 ymin=6146103 xmax=518869 ymax=6171741
-#BOUNDS = xmin=504440 ymin=6154741 xmax=507410 ymax=6158941
-OUTSIZE = $(shell awk $(addprefix -v ,$(BOUNDS)) 'BEGIN{print ymax-ymin" "xmax-xmin}' /dev/null)
-XYZ = $(patsubst %.zip,%.xyz,$(wildcard 6*.zip))
-SORT = sort -n -k2 -k1 -t,
-
-.PHONY: all
-all: smooth_2_5.gpkg smooth_5.gpkg
-
-smooth_%.gpkg: db/smooth_%
-	ogr2ogr $@ "PG:host=127.0.0.1 user=osm dbname=osm password=osm" $(basename $@)
-
-db/smooth_%: db/contour_% chaikin.sql
-	./managedb -- --echo-all \
-		-v ON_ERROR_STOP=1 \
-		-v src=$(notdir $(basename $<)) \
-		-v tbl=$(notdir $(basename $@)) \
-		-f chaikin.sql
-	touch $@
-
-db/contour_%: contour_%.gpkg db/.ready
-	./managedb -- -c "DROP TABLE IF EXISTS $(basename $<)"
-	ogr2ogr -f PostgreSQL "PG:host=127.0.0.1 user=osm dbname=osm password=osm" $<
-	touch $@
-
-contour_%.gpkg: all.tif
-	gdal_contour -nln $(basename $@) -i $(subst _,.,$*) -a z $^ $@
-
-all.tif: all.vrt all.xyz
-	gdal_grid $< $@ \
-		-a nearest \
-		-ot Float32 -co COMPRESS=DEFLATE -co PREDICTOR=2 \
-		-outsize $(OUTSIZE)
-
-.INTERMEDIATE: all.xyz
-all.xyz: $(XYZ)
-	$(SORT) -m $^ > $@
-
-.INTERMEDIATE: $(XYZ)
-%.xyz: %.zip
-	unzip -qq -c $< $@ | \
-		./clip-2009.awk $(addprefix -v ,$(BOUNDS)) | \
-		$(SORT) > $@
-
-db/.ready: managedb
-	mkdir -p db
-	./managedb start
-	touch $@
diff --git a/contours/Makefile.2017 b/contours/Makefile.2017
deleted file mode 100644
index a0beaf7..0000000
--- a/contours/Makefile.2017
+++ /dev/null
@@ -1,46 +0,0 @@
-#uzupis
-BOUNDS = xmin=582700 ymin=6060750 xmax=584830 ymax=6062750
-XYZ = $(patsubst %.zip,%.xyz,$(wildcard *.zip))
-SORT = sort -n -k2 -k1 -t,
-
-.PHONY: all
-all: smooth_2_5.gpkg smooth_5.gpkg
-
-smooth_%.gpkg: db/smooth_%
-	ogr2ogr $@ "PG:host=127.0.0.1 user=osm dbname=osm" $(basename $@)
-
-db/smooth_%: db/contour_% chaikin.sql
-	./managedb -- --echo-all \
-		-v ON_ERROR_STOP=1 \
-		-v src=$(notdir $(basename $<)) \
-		-v tbl=$(notdir $(basename $@)) \
-		-f chaikin.sql
-	touch $@
-
-db/contour_%: contour_%.gpkg db/.ready
-	./managedb -- -c "DROP TABLE IF EXISTS $(basename $<)"
-	ogr2ogr -f PostgreSQL "PG:host=127.0.0.1 user=osm dbname=osm" $<
-	touch $@
-
-contour_%.gpkg: all.tif
-	gdal_contour -nln $(basename $@) -i $(subst _,.,$*) -a z $^ $@
-
-all.tif: all.csv
-	gdal_translate $< $@ \
-		-ot Float32 -a_srs EPSG:3346 \
-		-co COMPRESS=DEFLATE -co PREDICTOR=2
-
-.INTERMEDIATE: all.csv
-all.csv: $(XYZ)
-	$(SORT) -m $^ > $@
-
-.INTERMEDIATE: $(XYZ)
-%.xyz: %.zip
-	unzip -qq -c $< $@ | \
-		./clip-2017.awk $(addprefix -v ,$(BOUNDS)) | \
-		$(SORT) > $@
-
-db/.ready: managedb
-	mkdir -p db
-	./managedb start
-	touch $@