diff --git a/modules/akismet/helpers/akismet_installer.php b/modules/akismet/helpers/akismet_installer.php
index 5d8c0e07..b891fc7b 100644
--- a/modules/akismet/helpers/akismet_installer.php
+++ b/modules/akismet/helpers/akismet_installer.php
@@ -18,10 +18,6 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class akismet_installer {
-  static function install() {
-    module::set_version("akismet", 1);
-  }
-
   static function activate() {
     akismet::check_config();
   }
diff --git a/modules/gallery/helpers/module.php b/modules/gallery/helpers/module.php
index 03d538a9..a3088c38 100644
--- a/modules/gallery/helpers/module.php
+++ b/modules/gallery/helpers/module.php
@@ -119,6 +119,8 @@ class module_Core {
     $installer_class = "{$module_name}_installer";
     if (method_exists($installer_class, "install")) {
       call_user_func_array(array($installer_class, "install"), array());
+    } else {
+      module::set_version($module_name, 1);
     }
     module::load_modules();
 
@@ -145,6 +147,13 @@ class module_Core {
     $installer_class = "{$module_name}_installer";
     if (method_exists($installer_class, "upgrade")) {
       call_user_func_array(array($installer_class, "upgrade"), array($version_before));
+    } else {
+      $available = module::available();
+      if (isset($available->$module_name->code_version)) {
+        module::set_version($module_name, $available->$module_name->code_version);
+      } else {
+        throw new Exception("@todo UNKNOWN_MODULE");
+      }
     }
     module::load_modules();
 
diff --git a/modules/image_block/helpers/image_block_installer.php b/modules/image_block/helpers/image_block_installer.php
deleted file mode 100644
index 7ea6a229..00000000
--- a/modules/image_block/helpers/image_block_installer.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php defined("SYSPATH") or die("No direct script access.");
-/**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2009 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
- */
-class image_block_installer {
-  static function install() {
-    module::set_version("image_block", 1);
-  }
-}
diff --git a/modules/info/helpers/info_installer.php b/modules/info/helpers/info_installer.php
deleted file mode 100644
index e3e78b90..00000000
--- a/modules/info/helpers/info_installer.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php defined("SYSPATH") or die("No direct script access.");
-/**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2009 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
- */
-class info_installer {
-  static function install() {
-    module::set_version("info", 1);
-  }
-}
diff --git a/modules/organize/helpers/organize_installer.php b/modules/organize/helpers/organize_installer.php
deleted file mode 100644
index 22ca1793..00000000
--- a/modules/organize/helpers/organize_installer.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php defined("SYSPATH") or die("No direct script access.");
-/**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2009 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
- */
-class organize_installer {
-  static function install() {
-    module::set_version("organize", 1);
-  }
-}
diff --git a/modules/recaptcha/helpers/recaptcha_installer.php b/modules/recaptcha/helpers/recaptcha_installer.php
index 12044a1b..e04822ea 100644
--- a/modules/recaptcha/helpers/recaptcha_installer.php
+++ b/modules/recaptcha/helpers/recaptcha_installer.php
@@ -18,10 +18,6 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class recaptcha_installer {
-  static function install() {
-    module::set_version("recaptcha", 1);
-  }
-
   static function activate() {
     recaptcha::check_config();
   }
diff --git a/modules/rss/helpers/rss_installer.php b/modules/rss/helpers/rss_installer.php
deleted file mode 100644
index 7766fdfa..00000000
--- a/modules/rss/helpers/rss_installer.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php defined("SYSPATH") or die("No direct script access.");
-/**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2009 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
- */
-class rss_installer {
-  static function install() {
-    module::set_version("rss", 1);
-  }
-}
diff --git a/modules/slideshow/helpers/slideshow_installer.php b/modules/slideshow/helpers/slideshow_installer.php
index cd1c6e05..56874a6a 100644
--- a/modules/slideshow/helpers/slideshow_installer.php
+++ b/modules/slideshow/helpers/slideshow_installer.php
@@ -18,10 +18,6 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class slideshow_installer {
-  static function install() {
-    module::set_version("slideshow", 1);
-  }
-
   static function deactivate() {
     site_status::clear("slideshow_needs_rss");
   }