diff --git a/extensions/wscript_build b/extensions/wscript_build
index ae26cc50..2efe559d 100644
--- a/extensions/wscript_build
+++ b/extensions/wscript_build
@@ -7,6 +7,9 @@ for extension in extensions:
     # Tab Panel isn't useful at this point
     if extension == 'tab-panel':
         continue
+    # Adblock is incomplete and not ready for release
+    if extension == 'adblock.c':
+        continue
     folder = 'extensions' + os.sep + extension
     if os.path.isdir (folder):
         files = os.listdir (folder)