diff --git a/docs/api/generated/fieldsmodifier/plugin_dbui.fieldsmodifier.FieldsModifier.append_plugins.rst b/docs/api/generated/fieldsmodifier/plugin_dbui.fieldsmodifier.FieldsModifier.append_plugins.rst
deleted file mode 100644
index f65bcf1e42867951ad2c89ecfacb011d82cbf5a2..0000000000000000000000000000000000000000
--- a/docs/api/generated/fieldsmodifier/plugin_dbui.fieldsmodifier.FieldsModifier.append_plugins.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-plugin_dbui.fieldsmodifier.FieldsModifier.append_plugins
-========================================================
-
-.. currentmodule:: plugin_dbui.fieldsmodifier
-
-.. automethod:: FieldsModifier.append_plugins
\ No newline at end of file
diff --git a/docs/api/generated/gridmodifier/plugin_dbui.gridmodifier.GridModifier.add_column.rst b/docs/api/generated/gridmodifier/plugin_dbui.gridmodifier.GridModifier.add_column.rst
deleted file mode 100644
index 8226b1d60f1efe999f4835479d12d9c6efd5ed49..0000000000000000000000000000000000000000
--- a/docs/api/generated/gridmodifier/plugin_dbui.gridmodifier.GridModifier.add_column.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-plugin_dbui.gridmodifier.GridModifier.add_column
-================================================
-
-.. currentmodule:: plugin_dbui.gridmodifier
-
-.. automethod:: GridModifier.add_column
\ No newline at end of file
diff --git a/docs/api/generated/plugin_dbui.fieldsmodifier.FieldsModifier.rst b/docs/api/generated/plugin_dbui.fieldsmodifier.FieldsModifier.rst
index 26bfe33ba810f8fd5b9106ca0807a209825d7f13..93da6fdf6171c1b02794e727a2147577a1f83eee 100644
--- a/docs/api/generated/plugin_dbui.fieldsmodifier.FieldsModifier.rst
+++ b/docs/api/generated/plugin_dbui.fieldsmodifier.FieldsModifier.rst
@@ -11,7 +11,6 @@ plugin_dbui.fieldsmodifier.FieldsModifier
    .. autosummary::
       :toctree: fieldsmodifier/
 
-      ~FieldsModifier.append_plugins
       ~FieldsModifier.configure_field
       ~FieldsModifier.merge_fields
 
diff --git a/docs/api/generated/plugin_dbui.gridmodifier.GridModifier.rst b/docs/api/generated/plugin_dbui.gridmodifier.GridModifier.rst
index 71fbded11189479e8ae8a99703716767024e9974..b2545b7df4c34d2bbb25ada2c6354b2e65d18418 100644
--- a/docs/api/generated/plugin_dbui.gridmodifier.GridModifier.rst
+++ b/docs/api/generated/plugin_dbui.gridmodifier.GridModifier.rst
@@ -9,7 +9,6 @@ plugin_dbui.gridmodifier.GridModifier
    .. autosummary::
       :toctree: gridmodifier/
 
-      ~GridModifier.add_column
       ~GridModifier.append_filter
       ~GridModifier.configure_column
       ~GridModifier.configure_filters
diff --git a/modules/plugin_dbui/fieldsmodifier.py b/modules/plugin_dbui/fieldsmodifier.py
index f99a8972b8b4d7d0b12b953b6d787fb96bd4f124..ee28f6ad4e8b69d07db5a0842f5c3f4b91cc4e21 100644
--- a/modules/plugin_dbui/fieldsmodifier.py
+++ b/modules/plugin_dbui/fieldsmodifier.py
@@ -49,18 +49,6 @@ class FieldsModifier(Modifier):
             self.data.composite_fields.others = []
 
 
-    def append_plugins(self, *plugins):
-        """Do nothing.
-
-        Supersede the method of the base class since it make
-        no sense for this modifier.
-
-        Keyword Args:
-            *plugins: variable list of plugin names or configurations
-
-        """
-
-
     def configure(self, **extjs):
         """Do nothing
 
diff --git a/modules/plugin_dbui/gridmodifier.py b/modules/plugin_dbui/gridmodifier.py
index e7228403fe90270c6109c1db5fecedf8a0bdf9ff..5ab2dee196418f401a2b956ebd897de5d8b56433 100644
--- a/modules/plugin_dbui/gridmodifier.py
+++ b/modules/plugin_dbui/gridmodifier.py
@@ -105,21 +105,6 @@ class GridModifier(Modifier):
             self.data.template_columns = []
 
 
-    def add_column(self, ktable, kfield, position=0, extjs={}):
-        """NOT YET IMPLEMENTED
-
-        Add a column displaying the database field kfield of the
-        foreign table ktable.
-
-        The keyword argument position is a number defining where the
-        column will be insert. The first column is at 0.
-
-        The keyword argument ExtJS is a dictionary containing
-        configuration options of the underlying :class:`.GridColumn`.
-
-        """
-
-
     def append_filter(self, filter, **kwargs):
         """Append a filter condition.
         A filter is a condition applied on one database field.