diff --git a/mail_all/__openerp__.py b/mail_all/__openerp__.py
index 1ffed98..fd0ab55 100644
--- a/mail_all/__openerp__.py
+++ b/mail_all/__openerp__.py
@@ -31,6 +31,6 @@
     "post_init_hook": None,
     "uninstall_hook": None,
 
-    'installable': True,
+    'installable': False,
     "auto_install": False,
 }
diff --git a/mail_archives/__openerp__.py b/mail_archives/__openerp__.py
index ca430d2..d1205cf 100644
--- a/mail_archives/__openerp__.py
+++ b/mail_archives/__openerp__.py
@@ -22,5 +22,5 @@
     "qweb": [
         "static/src/xml/menu.xml",
     ],
-    'installable': True,
+    'installable': False,
 }
diff --git a/mail_base/__openerp__.py b/mail_base/__openerp__.py
index e286f80..8c4f0c1 100644
--- a/mail_base/__openerp__.py
+++ b/mail_base/__openerp__.py
@@ -20,5 +20,5 @@
     "data": [
         "views/templates.xml",
     ],
-    'installable': True,
+    'installable': False,
 }
diff --git a/mail_move_message/__manifest__.py b/mail_move_message/__manifest__.py
index ebc20bc..afa21a9 100644
--- a/mail_move_message/__manifest__.py
+++ b/mail_move_message/__manifest__.py
@@ -26,5 +26,5 @@
     'qweb': [
         'static/src/xml/mail_move_message_main.xml',
     ],
-    'installable': True,
+    'installable': False,
 }
diff --git a/mail_private/__openerp__.py b/mail_private/__openerp__.py
index fdf16ea..7cd6ffc 100644
--- a/mail_private/__openerp__.py
+++ b/mail_private/__openerp__.py
@@ -33,5 +33,5 @@
     "post_init_hook": None,
 
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/mail_sent/__openerp__.py b/mail_sent/__openerp__.py
index fdc019a..ca9c784 100644
--- a/mail_sent/__openerp__.py
+++ b/mail_sent/__openerp__.py
@@ -24,5 +24,5 @@
     "qweb": [
         "static/src/xml/menu.xml",
     ],
-    'installable': True,
+    'installable': False,
 }
diff --git a/mail_to/__openerp__.py b/mail_to/__openerp__.py
index dcdcf79..aa2f6c6 100644
--- a/mail_to/__openerp__.py
+++ b/mail_to/__openerp__.py
@@ -23,6 +23,6 @@
         'static/src/xml/recipient.xml',
     ],
     "demo": [],
-    "installable": True,
+    "installable": False,
     "auto_install": False,
 }
diff --git a/mailgun/__manifest__.py b/mailgun/__manifest__.py
index 2530336..faa9dc5 100644
--- a/mailgun/__manifest__.py
+++ b/mailgun/__manifest__.py
@@ -34,7 +34,7 @@
     "uninstall_hook": None,
 
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 
     "demo_title": "Mailgun",
     "demo_addons": [],