diff --git a/dataforge-vis/dataforge-vis-spatial-fx/src/main/kotlin/hep/dataforge/vis/DisplayObjectPropertyListener.kt b/dataforge-vis/dataforge-vis-spatial-fx/src/main/kotlin/hep/dataforge/vis/DisplayObjectPropertyListener.kt
deleted file mode 100644
index 63eb25c5..00000000
--- a/dataforge-vis/dataforge-vis-spatial-fx/src/main/kotlin/hep/dataforge/vis/DisplayObjectPropertyListener.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-package hep.dataforge.vis
-
-import hep.dataforge.meta.*
-import hep.dataforge.names.Name
-import hep.dataforge.names.toName
-import javafx.beans.binding.ObjectBinding
-import tornadofx.*
-
-class DisplayObjectPropertyListener(val obj: DisplayObject) {
-    private val binndings = HashMap<Name, ObjectBinding<MetaItem<*>?>>()
-
-    init {
-        obj.onChange(this) { name, _, _ ->
-            binndings[name]?.invalidate()
-        }
-    }
-
-    operator fun get(key: Name): ObjectBinding<MetaItem<*>?> {
-        return binndings.getOrPut(key) {
-            object : ObjectBinding<MetaItem<*>?>() {
-                override fun computeValue(): MetaItem<*>? = obj.getProperty(key)
-            }
-        }
-    }
-
-    operator fun get(key: String) = get(key.toName())
-}
-
-fun ObjectBinding<MetaItem<*>?>.value() = this.objectBinding { it.value }
-fun ObjectBinding<MetaItem<*>?>.string() = this.stringBinding { it.string }
-fun ObjectBinding<MetaItem<*>?>.number() = this.objectBinding { it.number }
-fun ObjectBinding<MetaItem<*>?>.double() = this.objectBinding { it.double }
-fun ObjectBinding<MetaItem<*>?>.float() = this.objectBinding { it.number?.toFloat() }
-fun ObjectBinding<MetaItem<*>?>.int() = this.objectBinding { it.int }
-fun ObjectBinding<MetaItem<*>?>.long() = this.objectBinding { it.long }
-fun ObjectBinding<MetaItem<*>?>.node() = this.objectBinding { it.node }
-
-fun <T> ObjectBinding<MetaItem<*>?>.transform(transform: (MetaItem<*>) -> T) = this.objectBinding { it?.let(transform) }