diff --git a/.gitignore b/.gitignore
index 5b5a9f7..7ff1b30 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *~
+*.scheme
 _site
 _org
diff --git a/Makefile b/Makefile
index 443bdce..7fc5da1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,19 @@
-.PHONY: org jekyll
+.PHONY: default all org org-code jekyll serve
 
-default: org jekyll
+default: all
+
+all: org org-code jekyll
 
 org:
 	emacs --batch -u ${USER} -l org-publish.el
 
+org-code: *.org
+	for org in $?; do \
+		emacs	--batch -u ${USER} \
+			--eval "(require 'org)" \
+			--eval "(org-babel-tangle-file \"$$org\")" ; \
+	done
+
 jekyll:
 	jekyll build
 
diff --git a/org-publish.el b/org-publish.el
index b436e86..403c54f 100644
--- a/org-publish.el
+++ b/org-publish.el
@@ -10,6 +10,7 @@
          :recursive t
          :publishing-function org-html-publish-to-html
          :headline-levels 4
+         :section-numbers nil
          :html-extension "html"
          :with-toc nil
          :body-only t)