diff --git a/tools/release.sh b/tools/release.sh
index 6a227dd5bf..318d93c5b7 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -4,11 +4,15 @@ VERSION=$1
 
 svn export http://svn.openlayers.org/tags/openlayers/release-$VERSION OpenLayers-$VERSION
 cd OpenLayers-$VERSION/build
-./build.py full
+./build.py -c closure full
 cp OpenLayers.js ..
 
 cd ..
 
+for i in google ie6-style style; do
+    csstidy theme/default/$i.css --template=highest theme/default/$i.tidy.css
+done    
+
 mkdir doc/devdocs
 mkdir doc/apidocs
 rm tools/*.pyc
diff --git a/tools/update_dev_dir.sh b/tools/update_dev_dir.sh
index 0681de1845..c0a2b57bc7 100755
--- a/tools/update_dev_dir.sh
+++ b/tools/update_dev_dir.sh
@@ -22,7 +22,11 @@ if [ ! o$REV = $OLD_REV ]; then
     
     cp OpenLayers.js ..
     cd ..
-    
+    for i in google ie6-style style; do
+        csstidy theme/default/$i.css --template=highest theme/default/$i.tidy.css
+        cp theme/default/$i.tidy.css theme/default/$i.css
+    done
+
     sed -i -e 's!../lib/OpenLayers.js!../OpenLayers.js!' examples/*.html
     naturaldocs -i /osgeo/openlayers/docs/dev/lib -o HTML /osgeo/openlayers/dev/apidocs -p /osgeo/openlayers/docs/dev/apidoc_config -s Default OL >/dev/null
     naturaldocs -i /osgeo/openlayers/docs/dev/lib -o HTML /osgeo/openlayers/dev/docs -p /osgeo/openlayers/docs/dev/doc_config -s Default OL >/dev/null