diff --git a/data/eu.polonkai.gergely.astrognome.gschema.xml b/data/eu.polonkai.gergely.astrognome.gschema.xml
index b2b17a7..92ba0ed 100644
--- a/data/eu.polonkai.gergely.astrognome.gschema.xml
+++ b/data/eu.polonkai.gergely.astrognome.gschema.xml
@@ -22,6 +22,11 @@
             <summary>The default house system</summary>
             <description>The house system to use by default in new charts</description>
         </key>
+        <key name="default-display-theme" type="i">
+            <default>-1</default>
+            <summary>The ID of the default display theme to use</summary>
+            <description>The database ID of the display theme to be used when a chart is created/opened.</description>
+        </key>
     </schema>
     <schema id="eu.polonkai.gergely.Astrognome.state" path="/eu/polonkai/gergely/Astrognome/state/">
         <child name="window" schema="eu.polonkai.gergely.Astrognome.state.window" />
@@ -44,11 +49,4 @@
             <description>The height of newly created windows.</description>
         </key>
     </schema>
-    <schema id="eu.polonkai.gergely.Astrognome.state.chart" path="/eu/polonkai/gergely/Astrognome/state/chart/">
-        <key name="classic-only" type="b">
-            <default>false</default>
-            <summary>Use the classical view</summary>
-            <description>Use the classical view: planets only between Sun and Saturn, only Ptolemaic aspects, no antiscia.</description>
-        </key>
-    </schema>
 </schemalist>
diff --git a/src/ag-settings.c b/src/ag-settings.c
index f38e2ac..ddb560c 100644
--- a/src/ag-settings.c
+++ b/src/ag-settings.c
@@ -2,15 +2,13 @@
 
 #define SETTINGS_SCHEMA_ID_MAIN   "eu.polonkai.gergely.Astrognome"
 #define SETTINGS_SCHEMA_ID_WINDOW "eu.polonkai.gergely.Astrognome.state.window"
-#define SETTINGS_SCHEMA_ID_CHART  "eu.polonkai.gergely.Astrognome.state.chart"
 
 static AgSettings *singleton = NULL;
 
-struct _AgSettingsPrivate {
+typedef struct _AgSettingsPrivate {
     GSettings *settings_main;
     GSettings *settings_window;
-    GSettings *settings_chart;
-};
+} AgSettingsPrivate;
 
 G_DEFINE_TYPE_WITH_PRIVATE(AgSettings, ag_settings, G_TYPE_OBJECT);
 
@@ -21,7 +19,6 @@ ag_settings_init(AgSettings *settings)
 
     priv->settings_main   = g_settings_new(SETTINGS_SCHEMA_ID_MAIN);
     priv->settings_window = g_settings_new(SETTINGS_SCHEMA_ID_WINDOW);
-    priv->settings_chart  = g_settings_new(SETTINGS_SCHEMA_ID_CHART);
 }
 
 static void
@@ -32,7 +29,6 @@ ag_settings_dispose(GObject *object)
         );
 
     g_clear_object(&priv->settings_window);
-    g_clear_object(&priv->settings_chart);
     g_clear_object(&priv->settings_main);
 
     G_OBJECT_CLASS(ag_settings_parent_class)->dispose(object);
@@ -84,11 +80,3 @@ ag_settings_peek_window_settings(AgSettings *settings)
 
     return priv->settings_window;
 }
-
-GSettings *
-ag_settings_peek_chart_settings(AgSettings *settings)
-{
-    AgSettingsPrivate *priv = ag_settings_get_instance_private(settings);
-
-    return priv->settings_chart;
-}
diff --git a/src/ag-settings.h b/src/ag-settings.h
index 5fe469e..6ce0ae9 100644
--- a/src/ag-settings.h
+++ b/src/ag-settings.h
@@ -23,7 +23,6 @@ G_BEGIN_DECLS
 
 typedef struct _AgSettings        AgSettings;
 typedef struct _AgSettingsClass   AgSettingsClass;
-typedef struct _AgSettingsPrivate AgSettingsPrivate;
 
 struct _AgSettings {
     GObject parent_instance;
@@ -39,7 +38,6 @@ AgSettings *ag_settings_get(void);
 
 GSettings *ag_settings_peek_main_settings(AgSettings *settings);
 GSettings *ag_settings_peek_window_settings(AgSettings *settings);
-GSettings *ag_settings_peek_chart_settings(AgSettings *settings);
 
 G_END_DECLS