diff --git a/addons/hw_blackbox_be/__manifest__.py b/addons/hw_blackbox_be/__manifest__.py
index 27ead1eea99..94781999968 100644
--- a/addons/hw_blackbox_be/__manifest__.py
+++ b/addons/hw_blackbox_be/__manifest__.py
@@ -20,4 +20,5 @@ Data Module but will not modify the behaviour of the Point of Sale.
 """,
     'depends': ['hw_proxy'],
     'external_dependencies': {'python': ['serial']},
+    'installable': False,
 }
diff --git a/addons/hw_escpos/__manifest__.py b/addons/hw_escpos/__manifest__.py
index 18f8f49d4f5..d3071293138 100644
--- a/addons/hw_escpos/__manifest__.py
+++ b/addons/hw_escpos/__manifest__.py
@@ -20,4 +20,5 @@ that would need such functionality.
     'external_dependencies': {
         'python' : ['usb.core','serial','qrcode'],
     },
+    'installable': False,
 }
diff --git a/addons/hw_proxy/__manifest__.py b/addons/hw_proxy/__manifest__.py
index 13525eb639b..9ff79ad92a2 100644
--- a/addons/hw_proxy/__manifest__.py
+++ b/addons/hw_proxy/__manifest__.py
@@ -17,4 +17,5 @@ This modules only contains the enabling framework. The actual devices drivers
 are found in other modules that must be installed separately. 
 
 """,
+    'installable': False,
 }
diff --git a/addons/hw_scale/__manifest__.py b/addons/hw_scale/__manifest__.py
index 9bba6d94c5a..4fef3fdf503 100644
--- a/addons/hw_scale/__manifest__.py
+++ b/addons/hw_scale/__manifest__.py
@@ -17,4 +17,5 @@ such as the Mettler Toledo Ariva.
 """,
     'depends': ['hw_proxy'],
     'external_dependencies': {'python': ['serial']},
+    'installable': False,
 }
diff --git a/addons/hw_scanner/__manifest__.py b/addons/hw_scanner/__manifest__.py
index eada4dac8a8..6cbeb16fc68 100644
--- a/addons/hw_scanner/__manifest__.py
+++ b/addons/hw_scanner/__manifest__.py
@@ -18,4 +18,5 @@ point of sale module.
 """,
     'depends': ['hw_proxy'],
     'external_dependencies': {'python': ['evdev']},
+    'installable': False,
 }