diff --git a/Rakefile b/Rakefile
index f4691f653c126c0f72a850a0477ee9d741c65089..04d0b1f2465e1510ae7d66ec7d81a0faa21b341d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -78,8 +78,8 @@ def run_jsduck_export(extra_options)
   EOHTML
 
   run_jsduck([
-    "--title", "Ext JS 4.0.2a API Documentation",
-    "--footer", "ExtJS 4.0.2a Documentation from Sencha. Generated with <a href='https://github.com/senchalabs/jsduck'>JSDuck</a> revison #{rev}",
+    "--title", "Ext JS 4.0 API Documentation",
+    "--footer", "ExtJS 4.0 Documentation from Sencha. Generated with <a href='https://github.com/senchalabs/jsduck'>JSDuck</a> revison #{rev}",
     "--head-html", head_html,
     "#{SDK_DIR}/extjs/src",
     "#{SDK_DIR}/platform/src",
@@ -204,7 +204,9 @@ def combine_js(html, base_dir)
     if line =~ /<script .* src="(.*)">/
       file = $1
       js << IO.read(base_dir + "/" + file)
-      system("rm", base_dir + "/" + file)
+      if file !~ /ext\.js/
+        system("rm", base_dir + "/" + file)
+      end
     elsif line =~ /<script .*>(.*)<\/script>/
       js << $1
     end