diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainer.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainer.kt
index 6d81f58e1..b68cca149 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainer.kt
@@ -17,7 +17,7 @@ import ru.dbotthepony.mc.otm.data.codec.minRange
 import java.util.function.Predicate
 
 class SlottedContainer(
-	slots: Collection<SlottedContainerBuilder.SlotProvider>,
+	slots: Collection<SlotProvider>,
 	private val stillValid: Predicate<Player>,
 	private val globalChangeListeners: Array<Runnable>
 ) : ISlottedContainer, INBTSerializable<Tag> {
@@ -171,6 +171,51 @@ class SlottedContainer(
 		notifyChanged()
 	}
 
+	fun interface SlotProvider {
+		fun create(container: SlottedContainer, index: Int): ContainerSlot
+	}
+
+	class Builder {
+		private val slots = ArrayList<SlotProvider>()
+		private var stillValid = Predicate<Player> { true }
+		private val globalChangeListeners = ArrayList<Runnable>()
+
+		fun add(slot: SlotProvider): Builder {
+			slots.add(slot)
+			return this
+		}
+
+		fun add(amount: Int, provider: SlotProvider): Builder {
+			for (i in 0 until amount)
+				slots.add(provider)
+
+			return this
+		}
+
+		fun stillValid(predicate: Predicate<Player>): Builder {
+			this.stillValid = predicate
+			return this
+		}
+
+		fun onChanged(listener: Runnable): Builder {
+			globalChangeListeners.add(listener)
+			return this
+		}
+
+		fun copy(): Builder {
+			val copy = Builder()
+			copy.slots.addAll(slots)
+			copy.globalChangeListeners.addAll(globalChangeListeners)
+			copy.stillValid = stillValid
+			return copy
+		}
+
+		fun build(): SlottedContainer {
+			return SlottedContainer(slots, stillValid, globalChangeListeners.toTypedArray())
+		}
+	}
+
+
 	companion object {
 		private val LOGGER = LogManager.getLogger()
 	}
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainerBuilder.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainerBuilder.kt
deleted file mode 100644
index 5edb2d5b0..000000000
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/container/SlottedContainerBuilder.kt
+++ /dev/null
@@ -1,48 +0,0 @@
-package ru.dbotthepony.mc.otm.container
-
-import net.minecraft.world.entity.player.Player
-import java.util.function.Predicate
-
-class SlottedContainerBuilder {
-	fun interface SlotProvider {
-		fun create(container: SlottedContainer, index: Int): ContainerSlot
-	}
-
-	private val slots = ArrayList<SlotProvider>()
-	private var stillValid = Predicate<Player> { true }
-	private val globalChangeListeners = ArrayList<Runnable>()
-
-	fun add(slot: SlotProvider): SlottedContainerBuilder {
-		slots.add(slot)
-		return this
-	}
-
-	fun add(amount: Int, provider: SlotProvider): SlottedContainerBuilder {
-		for (i in 0 until amount)
-			slots.add(provider)
-
-		return this
-	}
-
-	fun stillValid(predicate: Predicate<Player>): SlottedContainerBuilder {
-		this.stillValid = predicate
-		return this
-	}
-
-	fun onChanged(listener: Runnable): SlottedContainerBuilder {
-		globalChangeListeners.add(listener)
-		return this
-	}
-
-	fun copy(): SlottedContainerBuilder {
-		val copy = SlottedContainerBuilder()
-		copy.slots.addAll(slots)
-		copy.globalChangeListeners.addAll(globalChangeListeners)
-		copy.stillValid = stillValid
-		return copy
-	}
-
-	fun build(): SlottedContainer {
-		return SlottedContainer(slots, stillValid, globalChangeListeners.toTypedArray())
-	}
-}