Removed unused selection callback.
diff --git a/src/main/resources/layouts/DataNodeLayout.fxml b/src/main/resources/layouts/DataNodeLayout.fxml
index b608fde..73ea9be 100644
--- a/src/main/resources/layouts/DataNodeLayout.fxml
+++ b/src/main/resources/layouts/DataNodeLayout.fxml
@@ -36,7 +36,7 @@
                   </AnchorPane>
                </content>
             </Tab>
-            <Tab onSelectionChanged="#tabChanged" text="Database Adapter">
+            <Tab text="Database Adapter">
                <content>
                   <AnchorPane fx:id="databaseAdapterTabAnchorPane" minHeight="0.0" prefWidth="200.0">
                      <children>
diff --git a/src/main/resources/layouts/DatabaseEntityLayout.fxml b/src/main/resources/layouts/DatabaseEntityLayout.fxml
index 9d77c79..ef71158 100644
--- a/src/main/resources/layouts/DatabaseEntityLayout.fxml
+++ b/src/main/resources/layouts/DatabaseEntityLayout.fxml
@@ -38,7 +38,7 @@
                   </AnchorPane>
             </content>
           </Tab>
-          <Tab onSelectionChanged="#tabChanged" text="Columns">
+          <Tab text="Columns">
             <content>
               <AnchorPane fx:id="columnsTabAnchorPane" minHeight="0.0" prefWidth="200.0">
                      <children>
diff --git a/src/main/resources/layouts/ObjectEntityLayout.fxml b/src/main/resources/layouts/ObjectEntityLayout.fxml
index 5297fba..f160337 100644
--- a/src/main/resources/layouts/ObjectEntityLayout.fxml
+++ b/src/main/resources/layouts/ObjectEntityLayout.fxml
@@ -38,7 +38,7 @@
                   </AnchorPane>
             </content>
           </Tab>
-          <Tab closable="false" onSelectionChanged="#tabChanged" text="Attributes">
+          <Tab closable="false" text="Attributes">
             <content>
               <AnchorPane fx:id="attributesTabAnchorPane" minHeight="0.0" prefWidth="200.0">
                      <children>