diff --git a/addons/mrp/company.py b/addons/mrp/company.py
index 2c290c3c0e9..e69235da007 100644
--- a/addons/mrp/company.py
+++ b/addons/mrp/company.py
@@ -10,5 +10,5 @@ class company(osv.osv):
             help="Security days for each manufacturing operation."),
     }
     _defaults = {
-        'manufacturing_lead': lambda *a: 1.0,
+        'manufacturing_lead': lambda *a: 0.0,
     }
diff --git a/addons/mrp/product.py b/addons/mrp/product.py
index 1891fd5dead..585901137bd 100644
--- a/addons/mrp/product.py
+++ b/addons/mrp/product.py
@@ -30,7 +30,7 @@ class product_template(osv.osv):
     }
 
     _defaults = {
-        'produce_delay': 1,
+        'produce_delay': 0,
     }
     
     
diff --git a/addons/purchase/company.py b/addons/purchase/company.py
index 46827a93708..5458297a889 100644
--- a/addons/purchase/company.py
+++ b/addons/purchase/company.py
@@ -10,7 +10,7 @@ class company(models.Model):
         help="Margin of error for vendor lead times. When the system "
              "generates Purchase Orders for procuring products, "
              "they will be scheduled that many days earlier "
-             "to cope with unexpected vendor delays.", default=1.0)
+             "to cope with unexpected vendor delays.", default=0.0)
 
     po_double_validation = fields.Selection([
         ('one_step', 'Confirm purchase orders in one step'),
diff --git a/addons/stock/product.py b/addons/stock/product.py
index 6d348e54d68..e8693707a45 100644
--- a/addons/stock/product.py
+++ b/addons/stock/product.py
@@ -446,7 +446,7 @@ class product_template(osv.osv):
     }
 
     _defaults = {
-        'sale_delay': 7,
+        'sale_delay': 0,
         'tracking': 'none',
     }