diff --git a/main.glade b/main.glade
index 44e92d0..b84b624 100644
--- a/main.glade
+++ b/main.glade
@@ -1,124 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.2 -->
 <interface>
-  <requires lib="gtk+" version="3.20"/>
-  <object class="GtkApplicationWindow">
-    <property name="can_focus">False</property>
-    <property name="show_menubar">False</property>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
+  <object class="GtkApplicationWindow" id="app_window">
+    <property name="title">My GTK App</property>
     <child>
-      <object class="GtkBox">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child>
-          <object class="GtkBox">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="margin_left">5</property>
-            <property name="margin_right">5</property>
-            <property name="margin_top">5</property>
-            <property name="margin_bottom">5</property>
-            <child>
-              <object class="GtkComboBox">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-              </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton">
-                <property name="label" translatable="yes">Save</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton">
-                <property name="label" translatable="yes">Apply</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkNotebook">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="tab_pos">left</property>
-            <property name="show_border">False</property>
-            <child>
-              <placeholder/>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">page 1</property>
-              </object>
-              <packing>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">page 2</property>
-              </object>
-              <packing>
-                <property name="position">1</property>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child type="tab">
-              <object class="GtkLabel">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">page 3</property>
-              </object>
-              <packing>
-                <property name="position">2</property>
-                <property name="tab_fill">False</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
+      <object class="GtkButton" id="button">
+        <property name="label">Press me!</property>
+        <property name="margin-top">12</property>
+        <property name="margin-bottom">12</property>
+        <property name="margin-start">12</property>
+        <property name="margin-end">12</property>  
       </object>
     </child>
   </object>
diff --git a/src/main.rs b/src/main.rs
index 7e20c77..4cba971 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,8 @@
-use crate::glib::clone;
-
-use std::cell::Cell;
-use std::rc::Rc;
-
 use gtk::prelude::*;
 use gtk::*;
 
 static ID: &str = "com.causa-arcana.polytree.polytree-session";
+static UI: &str = include_str!("../main.glade");
 
 fn main() {
     let app = Application::builder().application_id(ID).build();
@@ -17,53 +13,8 @@ fn main() {
 }
 
 fn build_ui(app: &Application) {
-    let window = ApplicationWindow::builder()
-        .application(app)
-        .title("Hello, World!")
-        .build();
-
-    let label = Label::builder()
-        .label("0")
-        .margin_top(12)
-        .margin_bottom(12)
-        .margin_start(12)
-        .margin_end(12)
-        .build();
-
-    let button1 = Button::builder()
-        .label("Increase")
-        .margin_top(12)
-        .margin_bottom(12)
-        .margin_start(12)
-        .margin_end(12)
-        .build();
-
-    let button2 = Button::builder()
-        .label("Decrease")
-        .margin_top(12)
-        .margin_bottom(12)
-        .margin_start(12)
-        .margin_end(12)
-        .build();
-
-    let number = Rc::new(Cell::new(0));
-
-    button1.connect_clicked(clone!(@weak number, @weak label => move |_| {
-        number.set(number.get() + 1);
-        label.set_label(&number.get().to_string());
-    }));
-    button2.connect_clicked(clone!(@weak label => move |_| {
-        number.set(number.get() - 1);
-        label.set_label(&number.get().to_string());
-    }));
-
-    let box_ = Box::new(Orientation::Vertical, 0);
-
-    box_.append(&label);
-    box_.append(&button1);
-    box_.append(&button2);
-
-    window.set_child(Some(&box_));
-
-    window.present();
+    let builder = Builder::from_string(UI);
+    let app_window: ApplicationWindow = builder.object("app_window").unwrap();
+    app_window.set_application(Some(app));
+    app_window.present();
 }