diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt
index 53b155f8d..9f890e005 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt
@@ -426,10 +426,7 @@ open class MatteryContainer(var listener: ContainerListener, private val size: I
 		}
 	}
 
-	private inner class Slot(override val slot: Int) : IFilteredContainerSlot {
-		override val container: Container
-			get() = this@MatteryContainer
-
+	inner class Slot(val slot: Int) : IFilteredContainerSlot {
 		override var item: ItemStack
 			get() = this@MatteryContainer[slot]
 			set(value) { this@MatteryContainer[slot] = value }
@@ -460,12 +457,12 @@ open class MatteryContainer(var listener: ContainerListener, private val size: I
 		}
 	}
 
-	final override fun slotIterator(): kotlin.collections.Iterator<IFilteredContainerSlot> {
+	final override fun slotIterator(): kotlin.collections.Iterator<Slot> {
 		indicesReferenced = true
 		return nonEmptyIndices.iterator().map { Slot(it) }
 	}
 
-	final override fun slotIterator(nonEmpty: Boolean): kotlin.collections.Iterator<IFilteredContainerSlot> {
+	final override fun slotIterator(nonEmpty: Boolean): kotlin.collections.Iterator<Slot> {
 		if (!nonEmpty) {
 			return (0 until size).iterator().map { Slot(it) }
 		} else if (isEmpty) {
@@ -476,7 +473,7 @@ open class MatteryContainer(var listener: ContainerListener, private val size: I
 		}
 	}
 
-	final override fun containerSlot(slot: Int): IFilteredContainerSlot {
+	final override fun containerSlot(slot: Int): Slot {
 		return Slot(slot)
 	}