diff --git a/tryton/action/main.py b/tryton/action/main.py
index d153fc89de..3fa2188e4e 100644
--- a/tryton/action/main.py
+++ b/tryton/action/main.py
@@ -59,7 +59,7 @@ class Action(object):
     def execute(act_id, datas, window, action_type=None, context=None):
         if context is None:
             context = {}
-        ctx = rpc.CONTEXT.copy()
+        ctx = {}
         ctx.update(context)
         if not action_type:
             res = False
@@ -83,7 +83,7 @@ class Action(object):
     @staticmethod
     def _exec_action(action, window, datas=None, context=None):
         if context is None:
-            context = rpc.CONTEXT.copy()
+            context = {}
         if datas is None:
             datas = {}
         if 'type' not in action:
@@ -117,7 +117,8 @@ class Action(object):
             ctx.update(rpc.CONTEXT)
             eval_ctx = ctx.copy()
             eval_ctx['datetime'] = datetime
-            ctx.update(eval(action.get('context') or '{}', eval_ctx))
+            action_ctx = eval(action.get('context') or '{}', eval_ctx)
+            ctx.update(action_ctx)
             ctx.update(context)
 
             domain_context = ctx.copy()
@@ -138,7 +139,7 @@ class Action(object):
                 name = action.get('name', False)
 
             Window.create(view_ids, datas['res_model'], datas['res_id'], domain,
-                    action['view_type'], window, ctx,
+                    action['view_type'], window, action_ctx,
                     datas['view_mode'], name=name,
                     limit=datas['limit'], auto_refresh=datas['auto_refresh'],
                     search_value=search_value)
diff --git a/tryton/gui/main.py b/tryton/gui/main.py
index c5e5b45806..6573e60eb7 100644
--- a/tryton/gui/main.py
+++ b/tryton/gui/main.py
@@ -209,12 +209,11 @@ class Main(object):
 
     def shortcut_set(self, shortcuts=None):
         def _action_shortcut(widget, action):
-            ctx = rpc.CONTEXT.copy()
             Action.exec_keyword('tree_open', self.window, {
                 'model': 'ir.ui.menu',
                 'id': action,
                 'ids': [action],
-                }, context=ctx)
+                })
         if shortcuts is None:
             user = rpc._USER
             try:
diff --git a/tryton/gui/window/view_form/model/group.py b/tryton/gui/window/view_form/model/group.py
index 1fc35dd5d8..7eef9adb42 100644
--- a/tryton/gui/window/view_form/model/group.py
+++ b/tryton/gui/window/view_form/model/group.py
@@ -77,7 +77,6 @@ class ModelRecordGroup(SignalEvent):
         self.window = window
         self.parent = parent
         self._context = context or {}
-        self._context.update(rpc.CONTEXT)
         self.resource = resource
         self.rpc = RPCProxy(resource)
         self.fields = fields
@@ -200,7 +199,7 @@ class ModelRecordGroup(SignalEvent):
         self.model_deleted = []
 
     def _get_context(self):
-        ctx = {}
+        ctx = rpc.CONTEXT.copy()
         ctx.update(self._context)
         return ctx
     context = property(_get_context)
diff --git a/tryton/gui/window/view_form/screen/screen.py b/tryton/gui/window/view_form/screen/screen.py
index 884aef4cfa..b1f5b80964 100644
--- a/tryton/gui/window/view_form/screen/screen.py
+++ b/tryton/gui/window/view_form/screen/screen.py
@@ -53,7 +53,6 @@ class Screen(SignalEvent):
         self.resource = model_name
         self.rpc = RPCProxy(model_name)
         self.context = context
-        self.context.update(rpc.CONTEXT)
         self.views = []
         self.fields = {}
         self.view_ids = view_ids
diff --git a/tryton/gui/window/view_tree/view_tree.py b/tryton/gui/window/view_tree/view_tree.py
index fef5965cc6..e4d4148f6a 100644
--- a/tryton/gui/window/view_tree/view_tree.py
+++ b/tryton/gui/window/view_tree/view_tree.py
@@ -328,7 +328,6 @@ class ViewTree(object):
         self.view = gtk.TreeView()
         self.view.set_headers_visible(not CONFIG['client.modepda'])
         self.context = {}
-        self.context.update(rpc.CONTEXT)
         if context:
             self.context.update(context)
         self.fields = view_info['fields']
diff --git a/tryton/gui/window/win_search.py b/tryton/gui/window/win_search.py
index 5fca2da19f..4324ca221c 100644
--- a/tryton/gui/window/win_search.py
+++ b/tryton/gui/window/win_search.py
@@ -18,7 +18,6 @@ class WinSearch(object):
             views_preload = {}
         self.domain = domain or []
         self.context = context or {}
-        self.context.update(rpc.CONTEXT)
         self.sel_multi = sel_multi
         self.parent = parent
 
@@ -61,9 +60,11 @@ class WinSearch(object):
         if 'tree' in views_preload:
             view_form = views_preload['tree']
         else:
+            ctx = self.context.copy()
+            ctx.update(rpc.CONTEXT)
             try:
                 args = ('object', 'execute', self.model_name, 'fields_view_get',
-                        False, 'tree', self.context)
+                        False, 'tree', ctx)
                 view_form = rpc.execute(*args)
             except Exception, exception:
                 view_form = common.process_exception(exception, self.parent, *args)
diff --git a/tryton/gui/window/window.py b/tryton/gui/window/window.py
index c2764245ee..32a0c6b813 100644
--- a/tryton/gui/window/window.py
+++ b/tryton/gui/window/window.py
@@ -12,7 +12,6 @@ class Window(object):
         from tryton.gui import Main
         if context is None:
             context = {}
-        context.update(rpc.CONTEXT)
 
         if view_type == 'form':
             from form import Form