diff --git a/gramps/gen/config.py b/gramps/gen/config.py
index 273d557c0..c21c9e23d 100644
--- a/gramps/gen/config.py
+++ b/gramps/gen/config.py
@@ -187,20 +187,12 @@ register('interface.address-height', 450)
 register('interface.address-width', 650)
 register('interface.attribute-height', 350)
 register('interface.attribute-width', 600)
-register('interface.book-selector-height', 600)
-register('interface.book-selector-horiz-position', 100)
-register('interface.book-selector-vert-position', 200)
-register('interface.book-selector-width', 700)
 register('interface.child-ref-height', 450)
 register('interface.child-ref-width', 600)
 register('interface.citation-height', 450)
 register('interface.citation-sel-height', 450)
 register('interface.citation-sel-width', 600)
 register('interface.citation-width', 600)
-register('interface.clipboard-height', 300)
-register('interface.clipboard-horiz-position', 100)
-register('interface.clipboard-vert-position', 200)
-register('interface.clipboard-width', 300)
 register('interface.dont-ask', False)
 register('interface.view-categories',
          ["Dashboard", "People", "Relationships", "Families",
diff --git a/gramps/gui/clipboard.py b/gramps/gui/clipboard.py
index 84db1da2c..26c3cc2f0 100644
--- a/gramps/gui/clipboard.py
+++ b/gramps/gui/clipboard.py
@@ -1383,15 +1383,9 @@ class ClipboardWindow(ManagedWindow):
         self.database_changed(self.dbstate.db)
         self.dbstate.connect('database-changed', self.database_changed)
 
-        self.width_key = 'interface.clipboard-width'
-        self.height_key = 'interface.clipboard-height'
-        self.horiz_position_key = 'interface.clipboard-horiz-position'
-        self.vert_position_key = 'interface.clipboard-vert-position'
-
         self.top = Glade()
         self.set_window(self.top.toplevel, None, None, msg=_("Clipboard"))
-        self._set_size()
-        self._set_position()
+        self.setup_configs('interface.clipboard', 500, 300, 100, 200)
 
         self.clear_all_btn = self.top.get_object("btn_clear_all")
         self.clear_btn = self.top.get_object("btn_clear")
diff --git a/gramps/gui/glade/clipboard.glade b/gramps/gui/glade/clipboard.glade
index 845da678f..7f12a37ad 100644
--- a/gramps/gui/glade/clipboard.glade
+++ b/gramps/gui/glade/clipboard.glade
@@ -5,8 +5,6 @@
   <object class="GtkDialog" id="clipboard">
     <property name="can_focus">False</property>
     <property name="title" translatable="yes">Clipboard</property>
-    <property name="default_width">500</property>
-    <property name="default_height">300</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox1">
diff --git a/gramps/gui/managedwindow.py b/gramps/gui/managedwindow.py
index 70e9e7654..a682d782b 100644
--- a/gramps/gui/managedwindow.py
+++ b/gramps/gui/managedwindow.py
@@ -569,7 +569,7 @@ class ManagedWindow:
         """
         Set the dimensions of the window
         """
-        # self.width_key is set in the subclass, typically in its _local_init
+        # self.width_key is set in the subclass (or in setup_configs)
         if self.width_key is not None:
             width = config.get(self.width_key)
             height = config.get(self.height_key)
@@ -579,7 +579,7 @@ class ManagedWindow:
         """
         Save the dimensions of the window to the config file
         """
-        # self.width_key is set in the subclass, typically in its _local_init
+        # self.width_key is set in the subclass (or in setup_configs)
         if self.width_key is not None:
             (width, height) = self.window.get_size()
             config.set(self.width_key, width)
@@ -590,7 +590,7 @@ class ManagedWindow:
         """
         Set the position of the window
         """
-        # self.horiz_position_key is set in the subclass
+        # self.horiz_position_key is set in the subclass (or in setup_configs)
         if self.horiz_position_key is not None:
             horiz_position = config.get(self.horiz_position_key)
             vert_position = config.get(self.vert_position_key)
@@ -600,12 +600,37 @@ class ManagedWindow:
         """
         Save the window's position to the config file
         """
+        # self.horiz_position_key is set in the subclass (or in setup_configs)
         if self.horiz_position_key is not None:
             (horiz_position, vert_position) = self.window.get_position()
             config.set(self.horiz_position_key, horiz_position)
             config.set(self.vert_position_key, vert_position)
             config.save()
 
+    def setup_configs(self, config_base,
+                      default_width, default_height,
+                      default_horiz_position, default_vert_position):
+        """
+        Helper method to setup the window's configuration settings
+
+        @param config_base: the common config name, e.g. 'interface.clipboard'
+        @type config_base: str
+        @param default_width, default_height: the default width and height
+        @type default_width, default_height: int
+        @param default_horiz_position, default_vert_position: the defaults
+        @type default_horiz_position, default_vert_position: int
+        """
+        self.width_key = config_base + '-width'
+        self.height_key = config_base + '-height'
+        self.horiz_position_key = config_base + '-horiz-position'
+        self.vert_position_key = config_base + '-vert-position'
+        config.register(self.width_key, default_width)
+        config.register(self.height_key, default_height)
+        config.register(self.horiz_position_key, default_horiz_position)
+        config.register(self.vert_position_key, default_vert_position)
+        self._set_size()
+        self._set_position()
+
     def track_ref_for_deletion(self, ref):
         """
         Record references of instance variables that need to be removed
diff --git a/gramps/gui/plug/report/_bookdialog.py b/gramps/gui/plug/report/_bookdialog.py
index 5a97f687b..bfddad433 100644
--- a/gramps/gui/plug/report/_bookdialog.py
+++ b/gramps/gui/plug/report/_bookdialog.py
@@ -329,12 +329,7 @@ class BookSelector(ManagedWindow):
 
         title_label = self.xml.get_object('title')
         self.set_window(window, title_label, self.title)
-        self.height_key = 'interface.book-selector-height'
-        self.width_key = 'interface.book-selector-width'
-        self._set_size()
-        self.horiz_position_key = 'interface.book-selector-horiz-position'
-        self.vert_position_key = 'interface.book-selector-vert-position'
-        self._set_position()
+        self.setup_configs('interface.book-selector', 700, 600, 100, 200)
         window.show()
         self.xml.connect_signals({
             "on_add_clicked"        : self.on_add_clicked,