diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 5432067191d..b7c757c7468 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -143,7 +143,6 @@ class purchase_order(osv.osv):
 
     STATE_SELECTION = [
         ('draft', 'Request for Quotation'),
-        ('wait', 'Waiting'),
         ('confirmed', 'Waiting Approval'),
         ('approved', 'Approved'),
         ('except_picking', 'Shipping Exception'),
diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index ec53ae76a7a..c72c985d8fa 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -196,13 +196,12 @@
                             </group>
                             <group col="11" colspan="4">
                                 <field name="state" widget="statusbar" statusbar_visible="draft,approved,done" statusbar_colors='{"except_picking":"red","except_invoice":"red","confirmed":"blue","wait":"blue"}' readonly="1"/>
-                                <button name="purchase_cancel" states="draft,confirmed,wait_auth" string="Cancel" icon="gtk-cancel"/>
+                                <button name="purchase_cancel" states="draft,confirmed" string="Cancel" icon="gtk-cancel"/>
                                 <button name="action_cancel_draft" states="cancel" string="Set to Draft" type="object" icon="gtk-convert"/>
                                 <button name="action_cancel" states="approved,except_picking,except_invoice,wait" string="Cancel Purchase Order" type="object" icon="gtk-cancel"/>
                                 <button name="picking_ok" states="except_picking" string="Manually Corrected" icon="gtk-convert"/>
                                 <button name="invoice_ok" states="except_invoice" string="Manually Corrected" icon="gtk-convert"/>
                                 <button name="purchase_confirm" states="draft" string="Convert to Purchase Order" icon="gtk-go-forward"/>
-                                <button name="purchase_appbuyer" states="wait_auth" string="Approve Purchase" icon="gtk-ok"/>
                                 <button name="purchase_approve" states="confirmed" string="Approved" icon="gtk-go-forward"/>
                                 <button name="%(report_purchase_order)d" string="Print" states="approved" type="action" icon="gtk-print"/>
                             </group>
diff --git a/addons/purchase_requisition/purchase_requisition.py b/addons/purchase_requisition/purchase_requisition.py
index c43bd524090..db11c2d90e5 100644
--- a/addons/purchase_requisition/purchase_requisition.py
+++ b/addons/purchase_requisition/purchase_requisition.py
@@ -67,7 +67,7 @@ class purchase_requisition(osv.osv):
         purchase_order_obj = self.pool.get('purchase.order')
         for purchase in self.browse(cr, uid, ids, context=context):
             for purchase_id in purchase.purchase_ids:
-                if str(purchase_id.state) in('draft','wait'):
+                if str(purchase_id.state) in('draft'):
                     purchase_order_obj.action_cancel(cr,uid,[purchase_id.id])
         self.write(cr, uid, ids, {'state': 'cancel'})
         return True