diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/BasicNetworkedElement.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/BasicNetworkedElement.kt
index df78c034..d0bfda16 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/BasicNetworkedElement.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/BasicNetworkedElement.kt
@@ -5,7 +5,6 @@ import ru.dbotthepony.kommons.util.Listenable
 import ru.dbotthepony.kommons.util.ListenableDelegate
 import java.io.DataInputStream
 import java.io.DataOutputStream
-import java.util.*
 import java.util.function.Consumer
 
 open class BasicNetworkedElement<TYPE, LEGACY>(private var value: TYPE, protected val codec: StreamCodec<TYPE>, protected val legacyCodec: StreamCodec<LEGACY>, protected val toLegacy: (TYPE) -> LEGACY, protected val fromLegacy: (LEGACY) -> TYPE) : NetworkedElement(), ListenableDelegate<TYPE> {
@@ -31,6 +30,11 @@ open class BasicNetworkedElement<TYPE, LEGACY>(private var value: TYPE, protecte
 		return valueListeners.addListener(listener)
 	}
 
+	@Deprecated("Internal API")
+	override fun listen(listener: Runnable): Listenable.L {
+		return valueListeners.addListener(listener)
+	}
+
 	override fun get(): TYPE {
 		return value
 	}
diff --git a/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/FloatingNetworkedElement.kt b/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/FloatingNetworkedElement.kt
index a148616c..16d15d75 100644
--- a/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/FloatingNetworkedElement.kt
+++ b/src/main/kotlin/ru/dbotthepony/kstarbound/network/syncher/FloatingNetworkedElement.kt
@@ -105,6 +105,11 @@ class FloatingNetworkedElement(private var value: Double = 0.0, val ops: Ops, va
 		return valueListeners.addListener(listener)
 	}
 
+	@Deprecated("Internal API")
+	override fun listen(listener: Runnable): Listenable.L {
+		return valueListeners.addListener(listener)
+	}
+
 	override fun get(): Double {
 		return value
 	}