diff --git a/src/app.rs b/src/app.rs
index 20143beb..7322b459 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -233,7 +233,7 @@ impl App {
             };
 
             // Begin migration
-            match App::migrate(&transaction) {
+            match migrate(&transaction) {
                 Ok(_) => {
                     // Confirm changes
                     match transaction.commit() {
@@ -248,18 +248,18 @@ impl App {
         // Start application
         self.gobject.run()
     }
-
-    // Tools
-    fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Browser::migrate(&tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    browser::migrate(&tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser.rs b/src/app/browser.rs
index 75a058dd..38f13230 100644
--- a/src/app/browser.rs
+++ b/src/app/browser.rs
@@ -250,21 +250,21 @@ impl Browser {
     pub fn gobject(&self) -> &ApplicationWindow {
         &self.widget.gobject()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        /* @TODO
-        Header::migrate(&tx)?; */
-        Window::migrate(&tx)?;
-        Widget::migrate(&tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    /* @TODO
+    header::migrate(&tx)?; */
+    window::migrate(&tx)?;
+    widget::migrate(&tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/widget.rs b/src/app/browser/widget.rs
index 4a13e3f8..c0b41b59 100644
--- a/src/app/browser/widget.rs
+++ b/src/app/browser/widget.rs
@@ -100,18 +100,18 @@ impl Widget {
     pub fn gobject(&self) -> &ApplicationWindow {
         &self.gobject
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        // nothing yet..
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    // nothing yet..
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window.rs b/src/app/browser/window.rs
index 8c2b22e5..1fb68766 100644
--- a/src/app/browser/window.rs
+++ b/src/app/browser/window.rs
@@ -168,18 +168,18 @@ impl Window {
     pub fn gobject(&self) -> &Box {
         &self.widget.gobject()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Tab::migrate(&tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    tab::migrate(&tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab.rs b/src/app/browser/window/tab.rs
index 1dfb4520..6dcee98b 100644
--- a/src/app/browser/window/tab.rs
+++ b/src/app/browser/window/tab.rs
@@ -335,21 +335,18 @@ impl Tab {
     pub fn gobject(&self) -> &TabView {
         self.widget.gobject()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Item::migrate(&tx)?;
-
-        /* @TODO
-        Page::migrate(&tx)?; */
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    item::migrate(&tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item.rs b/src/app/browser/window/tab/item.rs
index 621fb5e6..024b37e9 100644
--- a/src/app/browser/window/tab/item.rs
+++ b/src/app/browser/window/tab/item.rs
@@ -219,19 +219,19 @@ impl Item {
     pub fn gobject(&self) -> &TabPage {
         &self.widget.gobject()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Page::migrate(&tx)?;
-        Widget::migrate(&tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    page::migrate(&tx)?;
+    widget::migrate(&tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item/page.rs b/src/app/browser/window/tab/item/page.rs
index 696c36e0..564bf10b 100644
--- a/src/app/browser/window/tab/item/page.rs
+++ b/src/app/browser/window/tab/item/page.rs
@@ -391,21 +391,6 @@ impl Page {
         &self.widget.gobject()
     }
 
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Meta::migrate(tx)?;
-        Navigation::migrate(tx)?;
-
-        // Success
-        Ok(())
-    }
-
     // Private helpers @TODO move outside
     fn load_gemini(&self, uri: Uri) {
         // Use local namespaces @TODO
@@ -938,6 +923,20 @@ impl Page {
 
 // Tools
 
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    meta::migrate(tx)?;
+    navigation::migrate(tx)?;
+
+    // Success
+    Ok(())
+}
+
 /// Helper function, extract readable title from [Uri](https://docs.gtk.org/glib/struct.Uri.html)
 ///
 /// Useful as common placeholder when page title could not be detected
diff --git a/src/app/browser/window/tab/item/page/meta.rs b/src/app/browser/window/tab/item/page/meta.rs
index b827795c..adc493ec 100644
--- a/src/app/browser/window/tab/item/page/meta.rs
+++ b/src/app/browser/window/tab/item/page/meta.rs
@@ -178,18 +178,18 @@ impl Meta {
 
         Ok(())
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        // nothing yet..
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    // nothing yet..
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item/page/navigation.rs b/src/app/browser/window/tab/item/page/navigation.rs
index 7ec12a05..27f24c85 100644
--- a/src/app/browser/window/tab/item/page/navigation.rs
+++ b/src/app/browser/window/tab/item/page/navigation.rs
@@ -168,18 +168,18 @@ impl Navigation {
     pub fn request_text(&self) -> GString {
         self.request.text()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Request::migrate(tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    request::migrate(tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item/page/navigation/request.rs b/src/app/browser/window/tab/item/page/navigation/request.rs
index f0f75b9a..c3f62e6a 100644
--- a/src/app/browser/window/tab/item/page/navigation/request.rs
+++ b/src/app/browser/window/tab/item/page/navigation/request.rs
@@ -117,18 +117,18 @@ impl Request {
             _ => None,
         }
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        Widget::migrate(tx)?;
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    widget::migrate(tx)?;
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item/page/navigation/request/widget.rs b/src/app/browser/window/tab/item/page/navigation/request/widget.rs
index 06bd38db..cf28eaa3 100644
--- a/src/app/browser/window/tab/item/page/navigation/request/widget.rs
+++ b/src/app/browser/window/tab/item/page/navigation/request/widget.rs
@@ -221,18 +221,18 @@ impl Widget {
     pub fn text(&self) -> GString {
         self.gobject.text()
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        // nothing yet..
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    // nothing yet..
+
+    // Success
+    Ok(())
 }
diff --git a/src/app/browser/window/tab/item/widget.rs b/src/app/browser/window/tab/item/widget.rs
index a9147c12..65b6c711 100644
--- a/src/app/browser/window/tab/item/widget.rs
+++ b/src/app/browser/window/tab/item/widget.rs
@@ -124,18 +124,18 @@ impl Widget {
     pub fn gobject(&self) -> &TabPage {
         &self.gobject
     }
-
-    // Tools
-    pub fn migrate(tx: &Transaction) -> Result<(), String> {
-        // Migrate self components
-        if let Err(e) = Database::init(&tx) {
-            return Err(e.to_string());
-        }
-
-        // Delegate migration to childs
-        // nothing yet..
-
-        // Success
-        Ok(())
-    }
+}
+
+// Tools
+pub fn migrate(tx: &Transaction) -> Result<(), String> {
+    // Migrate self components
+    if let Err(e) = Database::init(&tx) {
+        return Err(e.to_string());
+    }
+
+    // Delegate migration to childs
+    // nothing yet..
+
+    // Success
+    Ok(())
 }