diff --git a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlock.kt b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlock.kt
index 66db0ed..376a968 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlock.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlock.kt
@@ -1,7 +1,5 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.AttributeList
-import alexiil.mc.lib.attributes.AttributeProvider
 import net.minecraft.block.Block
 import net.minecraft.block.BlockState
 import net.minecraft.block.Material
@@ -12,15 +10,11 @@ import net.minecraft.state.StateManager
 import net.minecraft.state.property.Properties
 import net.minecraft.util.ActionResult
 import net.minecraft.util.Hand
-import net.minecraft.util.Identifier
-import net.minecraft.util.ItemScatterer
 import net.minecraft.util.hit.BlockHitResult
 import net.minecraft.util.math.BlockPos
 import net.minecraft.util.math.Direction
-import net.minecraft.world.BlockView
 import net.minecraft.world.World
 import net.minecraft.world.WorldAccess
-import net.shadowfacts.phycon.PhysicalConnectivity
 import net.shadowfacts.phycon.api.NetworkComponentBlock
 import net.shadowfacts.phycon.block.DeviceBlock
 import java.util.EnumSet
@@ -33,8 +27,7 @@ abstract class AbstractTerminalBlock<T : AbstractTerminalBlockEntity> : DeviceBl
         .strength(1.5f)
         .sounds(BlockSoundGroup.METAL)
 ),
-    NetworkComponentBlock,
-    AttributeProvider {
+    NetworkComponentBlock {
 
     companion object {
         val FACING = Properties.FACING
@@ -75,8 +68,4 @@ abstract class AbstractTerminalBlock<T : AbstractTerminalBlockEntity> : DeviceBl
             super.onStateReplaced(state, world, pos, newState, moved)
         }
     }
-
-    override fun addAllAttributes(world: World, pos: BlockPos, state: BlockState, to: AttributeList<*>) {
-        to.offer(getBlockEntity(world, pos))
-    }
 }
diff --git a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlockEntity.kt b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlockEntity.kt
index 952ee2a..1a6993b 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlockEntity.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/block/terminal/AbstractTerminalBlockEntity.kt
@@ -1,6 +1,5 @@
 package net.shadowfacts.phycon.block.terminal
 
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
 import alexiil.mc.lib.attributes.item.ItemStackCollections
 import net.fabricmc.fabric.api.transfer.v1.item.ItemVariant
 import net.fabricmc.fabric.api.transfer.v1.storage.Storage
@@ -21,7 +20,6 @@ import net.shadowfacts.phycon.api.util.IPAddress
 import net.shadowfacts.phycon.block.DeviceBlockEntity
 import net.shadowfacts.phycon.component.*
 import net.shadowfacts.phycon.packet.*
-import net.shadowfacts.phycon.util.Either
 import net.shadowfacts.phycon.util.NetworkUtil
 import net.shadowfacts.phycon.util.equalsIgnoringAmount
 import java.lang.ref.WeakReference
@@ -47,7 +45,7 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
         val REQUEST_INVENTORY_TIMEOUT: Long = 1 // ticks
     }
 
-    protected val inventoryCache = mutableMapOf<IPAddress, Either<Storage<ItemVariant>, GroupedItemInvView>>()
+    protected val inventoryCache = mutableMapOf<IPAddress, Storage<ItemVariant>>()
     val internalBuffer = TerminalBufferInventory(18)
 
     protected val pendingRequests = LinkedList<StackLocateRequest>()
@@ -82,7 +80,6 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
 
     override fun handle(packet: Packet) {
         when (packet) {
-            is ReadGroupedInventoryPacket -> handleReadInventory(packet)
             is ReadItemStoragePacket -> handleReadItemStorage(packet)
             is DeviceRemovedPacket -> handleDeviceRemoved(packet)
             is StackLocationPacket -> handleStackLocation(packet)
@@ -91,13 +88,8 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
         }
     }
 
-    private fun handleReadInventory(packet: ReadGroupedInventoryPacket) {
-        inventoryCache[packet.source] = Either.Right(packet.inventory)
-        updateAndSync()
-    }
-
     private fun handleReadItemStorage(packet: ReadItemStoragePacket) {
-        inventoryCache[packet.source] = Either.Left(packet.inventory)
+        inventoryCache[packet.source] = packet.inventory
         updateAndSync()
     }
 
@@ -147,22 +139,12 @@ abstract class AbstractTerminalBlockEntity(type: BlockEntityType<*>, pos: BlockP
     private fun updateNetItems() {
         cachedNetItems.clear()
         for (inventory in inventoryCache.values) {
-            when (inventory) {
-                is Either.Left -> {
-                    val transaction = Transaction.openOuter()
-                    for (view in inventory.left.iterator(transaction)) {
-                        val amount = view.amount.toInt()
-                        cachedNetItems.mergeInt(view.resource.toStack(), amount, IntBinaryOperator { a, b -> a + b })
-                    }
-                    transaction.close()
-                }
-                is Either.Right -> {
-                    for (stack in inventory.right.storedStacks) {
-                        val amount = inventory.right.getAmount(stack)
-                        cachedNetItems.mergeInt(stack, amount, IntBinaryOperator { a, b -> a + b })
-                    }
-                }
+            val transaction = Transaction.openOuter()
+            for (view in inventory.iterator(transaction)) {
+                val amount = view.amount.toInt()
+                cachedNetItems.mergeInt(view.resource.toStack(), amount, IntBinaryOperator { a, b -> a + b })
             }
+            transaction.close()
         }
     }
 
diff --git a/src/main/kotlin/net/shadowfacts/phycon/packet/ReadGroupedInventoryPacket.kt b/src/main/kotlin/net/shadowfacts/phycon/packet/ReadGroupedInventoryPacket.kt
deleted file mode 100644
index 9e1a056..0000000
--- a/src/main/kotlin/net/shadowfacts/phycon/packet/ReadGroupedInventoryPacket.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package net.shadowfacts.phycon.packet
-
-import alexiil.mc.lib.attributes.item.GroupedItemInvView
-import net.shadowfacts.phycon.api.util.IPAddress
-
-/**
- * @author shadowfacts
- */
-@Deprecated("Use Fabric Transfer API")
-class ReadGroupedInventoryPacket(
-    val inventory: GroupedItemInvView,
-    source: IPAddress,
-    destination: IPAddress
-) : BasePacket(source, destination)