diff --git a/src/Toolkit.js b/src/Toolkit.js
index b38e504..30dffc2 100644
--- a/src/Toolkit.js
+++ b/src/Toolkit.js
@@ -223,20 +223,6 @@ Ext.define('Proxmox.UnderlayPool', {
     },
 });
 
-// 'Enter' in Textareas and aria multiline fields should not activate the
-// defaultbutton, fixed in extjs 6.0.2
-Ext.define('PVE.panel.Panel', {
-    override: 'Ext.panel.Panel',
-
-    fireDefaultButton: function(e) {
-	if (e.target.getAttribute('aria-multiline') === 'true' ||
-	    e.target.tagName === "TEXTAREA") {
-	    return true;
-	}
-	return this.callParent(arguments);
-    },
-});
-
 // if the order of the values are not the same in originalValue and value
 // extjs will not overwrite value, but marks the field dirty and thus
 // the reset button will be enabled (but clicking it changes nothing)