diff --git a/cern_integration.info b/cern_integration.info
index 1103c613d560e1b4fa98514ff5406bc666e24918..3abc8f622b0fc9052af488ef368ea13056ae6247 100644
--- a/cern_integration.info
+++ b/cern_integration.info
@@ -1,7 +1,7 @@
 name = CERN Integration
 package = CERN
 description = Provides CERN site integration for Drupal.
-version = "7.X-1.8"
+version = "7.X-1.9"
 core = 7.x
 
 dependencies[] = shib_auth
@@ -9,6 +9,6 @@ files[] = cern_integration.module
 files[] = cern_integration.install
 
 project = "cern_integration"
-datestamp = "1455099515"
+datestamp = "1493373769"
 
 required = TRUE
diff --git a/cern_integration.module b/cern_integration.module
index 179b6bc407708eb359fcd11c4a53de914bdf2386..7cee31a226e70fbcdf00110682aac8e1b45246ec 100644
--- a/cern_integration.module
+++ b/cern_integration.module
@@ -555,3 +555,26 @@ function  cern_integration_form_domain_301_redirect_admin_form_alter (&$form, &$
 
 }
 
+/**
+ * Implements hook_update_projects_alter().
+ * Remove all centrally managed modules and themes from the Update manager.
+ */
+function cern_integration_update_projects_alter(&$projects) {
+    // Remove all centrally managed modules.
+    foreach (module_list() as $module) {
+        if (preg_match('/^sites\/all\/modules\//', drupal_get_path('module', $module))) {
+            // This works only if the module name matches the project name.
+            unset($projects[$module]);
+        }
+    }
+    // Remove all centrally managed themes.
+    foreach (list_themes() as $theme_obj){
+        // Check if there is a project for that theme.
+        // This is normally true but not always.
+        if (isset($theme_obj->info['project'])) {
+            if (preg_match('/^sites\/all\/themes\//', $theme_obj->filename)) {
+                unset($projects[$theme_obj->info['project']]);
+            }
+        }
+    }
+}