diff --git a/src/main/java/modtweaker2/mods/tconstruct/TConstructHelper.java b/src/main/java/modtweaker2/mods/tconstruct/TConstructHelper.java
index 3362ed4..8bc028c 100644
--- a/src/main/java/modtweaker2/mods/tconstruct/TConstructHelper.java
+++ b/src/main/java/modtweaker2/mods/tconstruct/TConstructHelper.java
@@ -67,15 +67,4 @@ public class TConstructHelper {
                 output);
     }
 
-    public static String getMaterialFromID(int id) {
-        return TConstructRegistry.toolMaterials.get(id).materialName;
-    }
-
-    public static ItemKey getItemKey(Item item, int damage, int value, String material) {
-        return ReflectionHelper.getInstance(ReflectionHelper.getConstructor(ItemKey.class, ItemStack.class, int.class, int.class, String.class),
-                item,
-                damage,
-                value,
-                material);
-    }
 }
diff --git a/src/main/java/modtweaker2/mods/tconstruct/handlers/TiCTweaks.java b/src/main/java/modtweaker2/mods/tconstruct/handlers/TiCTweaks.java
index f13030c..4cd4eff 100644
--- a/src/main/java/modtweaker2/mods/tconstruct/handlers/TiCTweaks.java
+++ b/src/main/java/modtweaker2/mods/tconstruct/handlers/TiCTweaks.java
@@ -66,7 +66,7 @@ public class TiCTweaks {
 	@ZenMethod
 	public static void addRepairMaterial(IItemStack stack, String material, int value) {
 		ItemStack input = toStack(stack);
-		MineTweakerAPI.apply(new Add(TConstructHelper.getItemKey(input.getItem(), input.getItemDamage(), value, material)));
+		MineTweakerAPI.apply(new Add(PatternBuilder.instance.new ItemKey(input.getItem(), input.getItemDamage(), value, material)));
 	}
 
 	// Tweaks for setting repair materials