diff --git a/cambridge_lite.install b/cambridge_lite.install
index f8e6f3275f3ef4b085e70b672f6d725c6d0f62c9..53466ccd70607000059856446479ba18eee2a9ed 100644
--- a/cambridge_lite.install
+++ b/cambridge_lite.install
@@ -151,6 +151,9 @@ function cambridge_lite_install() {
 
   variable_set('menu_block_ids', array(1, 2));
 
+  // Hide Drupal's standard menu blocks
+  variable_set('menu_block_suppress_core', 1);
+
   $theme = 'cambridge_theme';
 
   $blocks = array(