diff --git a/firefox-extension/Makefile b/firefox-extension/Makefile
new file mode 100644
index 00000000..707018c5
--- /dev/null
+++ b/firefox-extension/Makefile
@@ -0,0 +1,12 @@
+ZIP = zip
+PACKAGE = svgedit-2.3
+FILEMASK = \*.html \*.css \*.js \*.txt \*.png \*.jpg \*.gif \*.svg \*.xml \*.manifest \*.rdf \*.xul
+
+clean:
+	rm -f *.*~
+	rm -rf ./content/editor/
+
+all: clean
+	rm -f $(PACKAGE).xpi
+	cp -r ../editor ./content/
+	$(ZIP) $(PACKAGE).xpi -r . -i $(FILEMASK)
diff --git a/firefox-extension/build.sh b/firefox-extension/build.sh
deleted file mode 100755
index b4b5c48e..00000000
--- a/firefox-extension/build.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-DST="content/editor"
-if [ -e "${DST}" ]; then
-    rm -rf "${DST}"
-fi
-cp -R ../editor content/
-SVNS=`find content/editor -name '.svn'`
-rm -rf ${SVNS}
diff --git a/firefox-extension/mk_xpi.sh b/firefox-extension/mk_xpi.sh
deleted file mode 100755
index 2da358e6..00000000
--- a/firefox-extension/mk_xpi.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-
-./build.sh
-zip -r ../svg-edit.xpi *
diff --git a/opera-widget/Makefile b/opera-widget/Makefile
index 84deba88..05df4975 100644
--- a/opera-widget/Makefile
+++ b/opera-widget/Makefile
@@ -6,7 +6,7 @@ clean:
 	rm -f *.*~
 	rm -rf ./editor/
 
-widget: clean
+all: clean
 	rm -f $(PACKAGE).wgt
 	cp -r ../editor .
 	$(ZIP) $(PACKAGE).wgt -r . -i $(FILEMASK)