diff --git a/CHANGELOG b/CHANGELOG
index 4b2bd3870d..416328d750 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Remove workflow
 * Improve contextual menu:
     - Actions for all relation fields on list view
     - Use icons
diff --git a/tryton/gui/window/view_form/view/form.py b/tryton/gui/window/view_form/view/form.py
index 976e369a5b..109072c3b4 100644
--- a/tryton/gui/window/view_form/view/form.py
+++ b/tryton/gui/window/view_form/view/form.py
@@ -171,16 +171,9 @@ class ViewForm(ParserView):
         if record_id:
             if not attrs.get('confirm', False) or \
                     common.sur(attrs['confirm']):
-                button_type = attrs.get('type', 'workflow')
+                button_type = attrs.get('type', 'object')
                 context = record.context_get()
-                if button_type == 'workflow':
-                    try:
-                        RPCExecute('model', self.screen.model_name,
-                            'workflow_trigger_validate', record_id,
-                            attrs['name'], context=context)
-                    except RPCException:
-                        pass
-                elif button_type == 'object':
+                if button_type == 'object':
                     try:
                         RPCExecute('model', self.screen.model_name, attrs['name'],
                             [record_id], context=context)
diff --git a/tryton/gui/window/view_form/view/list_gtk/parser.py b/tryton/gui/window/view_form/view/list_gtk/parser.py
index 5cc4966af3..048fbc671c 100644
--- a/tryton/gui/window/view_form/view/list_gtk/parser.py
+++ b/tryton/gui/window/view_form/view/list_gtk/parser.py
@@ -992,16 +992,9 @@ class Button(object):
         if obj_id:
             if not self.attrs.get('confirm', False) or \
                     common.sur(self.attrs['confirm']):
-                button_type = self.attrs.get('type', 'workflow')
+                button_type = self.attrs.get('type', 'object')
                 ctx = record.context_get()
-                if button_type == 'workflow':
-                    try:
-                        RPCExecute('model', self.screen.model_name,
-                            'workflow_trigger_validate', obj_id,
-                            self.attrs['name'], context=ctx)
-                    except RPCException:
-                        pass
-                elif button_type == 'object':
+                if button_type == 'object':
                     try:
                         RPCExecute('model', self.screen.model_name,
                             self.attrs['name'], [obj_id], context=ctx)
diff --git a/tryton/plugins/workflow/__init__.py b/tryton/plugins/workflow/__init__.py
deleted file mode 100644
index db0660d763..0000000000
--- a/tryton/plugins/workflow/__init__.py
+++ /dev/null
@@ -1,27 +0,0 @@
-#This file is part of Tryton.  The COPYRIGHT file at the top level of
-#this repository contains the full copyright notices and license terms.
-from tryton.action import Action
-import gettext
-
-_ = gettext.gettext
-
-
-def workflow_print(datas):
-    datas = datas.copy()
-    datas['nested'] = False
-    Action.exec_report('workflow.instance.graph', datas)
-    return True
-
-
-def workflow_print_complex(datas):
-    datas = datas.copy()
-    datas['nested'] = True
-    Action.exec_report('workflow.instance.graph', datas)
-    return True
-
-
-def get_plugins(model):
-    return [
-            (_('Print Workflow'), workflow_print),
-            (_('Print Workflow (Complex)'), workflow_print_complex),
-        ]