diff --git a/actions/groups.php b/actions/groups.php
index 261f9b3aae..39dc2232bc 100644
--- a/actions/groups.php
+++ b/actions/groups.php
@@ -51,6 +51,11 @@ class GroupsAction extends Action
     var $page = null;
     var $profile = null;
 
+    function isReadOnly()
+    {
+        return true;
+    }
+
     function title()
     {
         if ($this->page == 1) {
diff --git a/actions/showstream.php b/actions/showstream.php
index 2fd56ad2ea..c1ef8ba52c 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -60,6 +60,11 @@ class ShowstreamAction extends Action
     var $page = null;
     var $profile = null;
 
+    function isReadOnly()
+    {
+        return true;
+    }
+
     function title()
     {
         if ($this->page == 1) {
diff --git a/actions/usergroups.php b/actions/usergroups.php
index 20f2e5a758..748585e1d0 100644
--- a/actions/usergroups.php
+++ b/actions/usergroups.php
@@ -52,6 +52,11 @@ class UsergroupsAction extends Action
     var $page = null;
     var $profile = null;
 
+    function isReadOnly()
+    {
+        return true;
+    }
+
     function title()
     {
         if ($this->page == 1) {