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 83dbf75de..7396cabc4 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/container/MatteryContainer.kt
@@ -142,33 +142,31 @@ open class MatteryContainer(val watcher: Runnable, private val size: Int) : Cont
 		return false
 	}
 
-	protected var handler: MatteryContainerHandler? = null
-
 	fun handler(
 		insert_validator: (slot: Int, stack: ItemStack) -> Boolean,
 		extract_validator: (slot: Int, amount: Int, stack: ItemStack) -> Boolean
 	): MatteryContainerHandler {
-		return handler ?: MatteryContainerHandler(this, object : MatteryContainerFilter {
+		return MatteryContainerHandler(this, object : MatteryContainerFilter {
 			override fun canInsert(slot: Int, stack: ItemStack) = insert_validator(slot, stack)
 			override fun canExtract(slot: Int, amount: Int, stack: ItemStack) = extract_validator(slot, amount, stack)
-		}).also { handler = it }
+		})
 	}
 
 	fun handler(
 		filter: MatteryContainerFilter
 	): MatteryContainerHandler {
-		return handler ?: MatteryContainerHandler(this, filter).also { handler = it }
+		return MatteryContainerHandler(this, filter)
 	}
 
 	fun handler(insert_validator: (Int, ItemStack) -> Boolean): MatteryContainerHandler {
-		return handler ?: MatteryContainerHandler(this, object : MatteryContainerFilter {
+		return MatteryContainerHandler(this, object : MatteryContainerFilter {
 			override fun canInsert(slot: Int, stack: ItemStack) = insert_validator(slot, stack)
 			override fun canExtract(slot: Int, amount: Int, stack: ItemStack) = false
-		}).also { handler = it }
+		})
 	}
 
 	fun handler(): MatteryContainerHandler {
-		return handler ?: MatteryContainerHandler(this).also { handler = it }
+		return MatteryContainerHandler(this)
 	}
 
 	open fun getMaxStackSize(slot: Int) = maxStackSize