diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 15c91306..b0351cb5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,8 @@
 exclude: |
   (?x)
   # NOT INSTALLABLE ADDONS
+  ^cms_form/|
+  ^cms_form_example/|
   # END NOT INSTALLABLE ADDONS
   # Files and folders generated by bots, to avoid loops
   ^setup/|/static/description/index\.html$|
diff --git a/cms_form/__manifest__.py b/cms_form/__manifest__.py
index 949305e9..a1b2bf42 100644
--- a/cms_form/__manifest__.py
+++ b/cms_form/__manifest__.py
@@ -16,5 +16,5 @@
         "templates/form.xml",
         "templates/widgets.xml",
     ],
-    "installable": True,
+    "installable": False,
 }
diff --git a/cms_form_example/__manifest__.py b/cms_form_example/__manifest__.py
index c4431f15..7f7ee13d 100644
--- a/cms_form_example/__manifest__.py
+++ b/cms_form_example/__manifest__.py
@@ -2,19 +2,19 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 {
-    'name': 'CMS Form example',
-    'summary': """
+    "name": "CMS Form example",
+    "summary": """
         Basic content type form example""",
-    'version': '13.0.1.0.1',
-    'license': 'AGPL-3',
-    'author': 'Simone Orsi,Odoo Community Association (OCA)',
+    "version": "13.0.1.0.1",
+    "license": "AGPL-3",
+    "author": "Simone Orsi,Odoo Community Association (OCA)",
     "mainainers": ["simahawk"],
-    'depends': [
-        'website_partner',
-        'cms_form',
+    "depends": [
+        "website_partner",
+        "cms_form",
     ],
-    'data': [
-        'templates/assets.xml',
+    "data": [
+        "templates/assets.xml",
     ],
-    'installable': True,
+    "installable": False,
 }