Still trying to figure out how to create update sites.
diff --git a/com.google.eclipse.protobuf.feature/feature.xml b/com.google.eclipse.protobuf.feature/feature.xml
index b209113..6dbf517 100644
--- a/com.google.eclipse.protobuf.feature/feature.xml
+++ b/com.google.eclipse.protobuf.feature/feature.xml
@@ -24,6 +24,10 @@
       %license
    </license>
 
+   <url>
+      <update label="protobuf-dt" url="http://code.google.com/svn/trunk/update-site"/>
+   </url>
+
    <requires>
       <import plugin="org.eclipse.xtext"/>
       <import plugin="org.eclipse.xtext.util"/>
diff --git a/com.google.eclipse.protobuf.site/artifacts.jar b/com.google.eclipse.protobuf.site/artifacts.jar
deleted file mode 100644
index 52b99dd..0000000
--- a/com.google.eclipse.protobuf.site/artifacts.jar
+++ /dev/null
Binary files differ
diff --git a/com.google.eclipse.protobuf.site/content.jar b/com.google.eclipse.protobuf.site/content.jar
deleted file mode 100644
index 84acafa..0000000
--- a/com.google.eclipse.protobuf.site/content.jar
+++ /dev/null
Binary files differ
diff --git a/com.google.eclipse.protobuf.site/features/com.google.eclipse.protobuf_1.0.0.201105271037.jar b/com.google.eclipse.protobuf.site/features/com.google.eclipse.protobuf_1.0.0.201105271037.jar
deleted file mode 100644
index d1b59f4..0000000
--- a/com.google.eclipse.protobuf.site/features/com.google.eclipse.protobuf_1.0.0.201105271037.jar
+++ /dev/null
Binary files differ
diff --git a/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf.ui_1.0.0.201105271037.jar b/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf.ui_1.0.0.201105271037.jar
deleted file mode 100644
index 005ab0a..0000000
--- a/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf.ui_1.0.0.201105271037.jar
+++ /dev/null
Binary files differ
diff --git a/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf_1.0.0.201105271037.jar b/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf_1.0.0.201105271037.jar
deleted file mode 100644
index 9560f1d..0000000
--- a/com.google.eclipse.protobuf.site/plugins/com.google.eclipse.protobuf_1.0.0.201105271037.jar
+++ /dev/null
Binary files differ