diff --git a/src/main/java/tconstruct/blocks/FurnaceSlab.java b/src/main/java/tconstruct/blocks/FurnaceSlab.java
index 56c7d394cd8..694cb0d995b 100644
--- a/src/main/java/tconstruct/blocks/FurnaceSlab.java
+++ b/src/main/java/tconstruct/blocks/FurnaceSlab.java
@@ -13,7 +13,7 @@
 import tconstruct.library.TConstructRegistry;
 import mantle.blocks.abstracts.InventorySlab;
 import tconstruct.library.util.IActiveLogic;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 
 public class FurnaceSlab extends InventorySlab
 {
diff --git a/src/main/java/tconstruct/blocks/SmelteryBlock.java b/src/main/java/tconstruct/blocks/SmelteryBlock.java
index 1add6daad23..6ea9e1423e6 100644
--- a/src/main/java/tconstruct/blocks/SmelteryBlock.java
+++ b/src/main/java/tconstruct/blocks/SmelteryBlock.java
@@ -21,7 +21,7 @@
 import tconstruct.client.block.SmelteryRender;
 import tconstruct.library.TConstructRegistry;
 import mantle.blocks.abstracts.InventoryBlock;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import tconstruct.library.util.IMasterLogic;
 import tconstruct.library.util.IServantLogic;
 import tconstruct.util.config.PHConstruct;
diff --git a/src/main/java/tconstruct/blocks/logic/AdaptiveDrainLogic.java b/src/main/java/tconstruct/blocks/logic/AdaptiveDrainLogic.java
index 4330d44f8c3..70f8e3ba851 100644
--- a/src/main/java/tconstruct/blocks/logic/AdaptiveDrainLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/AdaptiveDrainLogic.java
@@ -1,8 +1,6 @@
 package tconstruct.blocks.logic;
 
-import tconstruct.TConstruct;
-import tconstruct.library.crafting.AlloyMix;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import tconstruct.library.util.IMasterLogic;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.nbt.NBTTagCompound;
diff --git a/src/main/java/tconstruct/blocks/logic/FaucetLogic.java b/src/main/java/tconstruct/blocks/logic/FaucetLogic.java
index ca8e0b60207..798fbe3046b 100644
--- a/src/main/java/tconstruct/blocks/logic/FaucetLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/FaucetLogic.java
@@ -2,7 +2,7 @@
 
 import tconstruct.TConstruct;
 import tconstruct.library.util.IActiveLogic;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.network.INetworkManager;
diff --git a/src/main/java/tconstruct/blocks/logic/FurnaceLogic.java b/src/main/java/tconstruct/blocks/logic/FurnaceLogic.java
index a281d17784d..0674a848f9a 100644
--- a/src/main/java/tconstruct/blocks/logic/FurnaceLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/FurnaceLogic.java
@@ -22,7 +22,7 @@
 import tconstruct.inventory.FurnaceContainer;
 import mantle.blocks.abstracts.InventoryLogic;
 import tconstruct.library.util.IActiveLogic;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import cpw.mods.fml.common.registry.GameRegistry;
 
 /* Slots
diff --git a/src/main/java/tconstruct/blocks/logic/SmelteryDrainLogic.java b/src/main/java/tconstruct/blocks/logic/SmelteryDrainLogic.java
index d4a881598d2..7cf41856134 100644
--- a/src/main/java/tconstruct/blocks/logic/SmelteryDrainLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/SmelteryDrainLogic.java
@@ -1,7 +1,6 @@
 package tconstruct.blocks.logic;
 
-import tconstruct.library.crafting.AlloyMix;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.network.INetworkManager;
diff --git a/src/main/java/tconstruct/blocks/logic/SmelteryLogic.java b/src/main/java/tconstruct/blocks/logic/SmelteryLogic.java
index 91b748b424d..64fe4c703f3 100644
--- a/src/main/java/tconstruct/blocks/logic/SmelteryLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/SmelteryLogic.java
@@ -37,7 +37,7 @@
 import tconstruct.library.crafting.Smeltery;
 import tconstruct.library.util.CoordTuple;
 import tconstruct.library.util.IActiveLogic;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import tconstruct.library.util.IMasterLogic;
 import tconstruct.library.util.IServantLogic;
 import tconstruct.util.SmelteryDamageSource;
diff --git a/src/main/java/tconstruct/blocks/logic/TowerFurnaceLogic.java b/src/main/java/tconstruct/blocks/logic/TowerFurnaceLogic.java
index 35038ce33d5..68b3e6cffc4 100644
--- a/src/main/java/tconstruct/blocks/logic/TowerFurnaceLogic.java
+++ b/src/main/java/tconstruct/blocks/logic/TowerFurnaceLogic.java
@@ -1,14 +1,8 @@
 package tconstruct.blocks.logic;
 
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.entity.player.InventoryPlayer;
-import net.minecraft.inventory.Container;
-import net.minecraft.item.ItemStack;
-import net.minecraft.world.World;
-import net.minecraftforge.common.ForgeDirection;
 import tconstruct.library.blocks.AdaptiveInventoryLogic;
 import tconstruct.library.util.IActiveLogic;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import tconstruct.library.util.IMasterLogic;
 
 //Not actually abstract
diff --git a/src/main/java/tconstruct/client/block/SlimeChannelRender.java b/src/main/java/tconstruct/client/block/SlimeChannelRender.java
index b3210f2afdb..518781037f5 100644
--- a/src/main/java/tconstruct/client/block/SlimeChannelRender.java
+++ b/src/main/java/tconstruct/client/block/SlimeChannelRender.java
@@ -1,14 +1,12 @@
 package tconstruct.client.block;
 
 import tconstruct.client.TProxyClient;
-import tconstruct.library.util.IFacingLogic;
 import net.minecraft.block.Block;
 import net.minecraft.client.renderer.RenderBlocks;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.util.Icon;
 import net.minecraft.util.MathHelper;
 import net.minecraft.world.IBlockAccess;
-import net.minecraftforge.fluids.BlockFluidBase;
 import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
 import cpw.mods.fml.client.registry.RenderingRegistry;
 
diff --git a/src/main/java/tconstruct/library/blocks/AdaptiveInventoryLogic.java b/src/main/java/tconstruct/library/blocks/AdaptiveInventoryLogic.java
index be5b30c5bc5..72470d8723a 100644
--- a/src/main/java/tconstruct/library/blocks/AdaptiveInventoryLogic.java
+++ b/src/main/java/tconstruct/library/blocks/AdaptiveInventoryLogic.java
@@ -5,7 +5,7 @@
 import net.minecraft.entity.item.EntityItem;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
-import tconstruct.library.util.IFacingLogic;
+import mantle.blocks.iface.IFacingLogic;
 import mantle.blocks.abstracts.InventoryLogic;
 
 public abstract class AdaptiveInventoryLogic extends InventoryLogic implements IFacingLogic
diff --git a/src/main/java/tconstruct/library/component/TankLayerScan.java b/src/main/java/tconstruct/library/component/TankLayerScan.java
index c280c17fa08..23c00bc1742 100644
--- a/src/main/java/tconstruct/library/component/TankLayerScan.java
+++ b/src/main/java/tconstruct/library/component/TankLayerScan.java
@@ -6,6 +6,7 @@
 import net.minecraft.tileentity.TileEntity;
 import tconstruct.TConstruct;
 import tconstruct.library.util.*;
+import mantle.blocks.iface.IFacingLogic;
 
 public class TankLayerScan extends LogicComponent
 {
diff --git a/src/main/java/tconstruct/library/util/IFacingLogic.java b/src/main/java/tconstruct/library/util/IFacingLogic.java
deleted file mode 100644
index a2c42f2f656..00000000000
--- a/src/main/java/tconstruct/library/util/IFacingLogic.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package tconstruct.library.util;
-
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraftforge.common.ForgeDirection;
-
-public interface IFacingLogic
-{
-    public byte getRenderDirection ();
-
-    public ForgeDirection getForgeDirection ();
-
-    @Deprecated
-    public void setDirection (int side);
-
-    @Deprecated
-    public void setDirection (float yaw, float pitch, EntityLivingBase player);
-
-    /** This will be added next version
-    * public void setDirection(int side, float yaw, float pitch, EntityLivingBase player); */
-}
\ No newline at end of file