Recipes in 1.12

RecipeHelper.java

import java.util.ArrayList;
import java.util.List;

import net.minecraft.block.Block;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.item.crafting.Ingredient;
import net.minecraft.item.crafting.ShapedRecipes;
import net.minecraft.item.crafting.ShapelessRecipes;
import net.minecraft.util.NonNullList;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.common.crafting.CraftingHelper;
import net.minecraftforge.common.crafting.CraftingHelper.ShapedPrimer;
import net.minecraftforge.oredict.OreIngredient;

public class RecipeHelper {

	private static int j = 0;
	private static final String MODID = Mod.MODID;
	private static final String MODNAME = Mod.MODNAME;
	/*
	 * This needs to be looped through and passed in a RegistryEvent.Register<IRecipe>, it should also be populated during that event.
	 */
	public static final List<IRecipe> RECIPES = new ArrayList<IRecipe>();

	/*
	 * This adds the recipe to the list of crafting recipes.  Since who cares about names, it adds it as recipesX, where X is the current recipe you are adding.
	 */
	public static void addRecipe(int j, IRecipe rec) {
		if (rec.getRegistryName() == null)
			RECIPES.add(rec.setRegistryName(new ResourceLocation(MODID, "recipes" + j)));
		else
			RECIPES.add(rec);
	}

	/*
	 * This adds the recipe to the list of crafting recipes.  Cares about names.
	 */
	public static void addRecipe(String name, IRecipe rec) {
		if (rec.getRegistryName() == null)
			RECIPES.add(rec.setRegistryName(new ResourceLocation(MODID, name)));
		else
			RECIPES.add(rec);
	}

	/*
	 * Adds a shapeless recipe with X output using an array of inputs. Use Strings for OreDictionary support. This array is not ordered.
	 */
	public static void addShapeless(ItemStack output, Object... inputs) {
		addRecipe(j++, new ShapelessRecipes(MODID + ":" + j, output, createInput(inputs)));
	}

	public static void addShapeless(Item output, Object... inputs) {
		addShapeless(new ItemStack(output), inputs);
	}

	public static void addShapeless(Block output, Object... inputs) {
		addShapeless(new ItemStack(output), inputs);
	}

	/*
	 * Adds a shapeless recipe with X output using an array of inputs. Use Strings for OreDictionary support. This array is not ordered.  This has a custom group.
	 */
	public static void addShapeless(String group, ItemStack output, Object... inputs) {
		addRecipe(j++, new ShapelessRecipes(MODID + ":" + group, output, createInput(inputs)));
	}

	public static void addShapeless(String group, Item output, Object... inputs) {
		addShapeless(group, new ItemStack(output), inputs);
	}

	public static void addShapeless(String group, Block output, Object... inputs) {
		addShapeless(group, new ItemStack(output), inputs);
	}

	/*
	 * Adds a shapeless recipe with X output on a crafting grid that is W x H, using an array of inputs.  Use null for nothing, use Strings for OreDictionary support, this array must have a length of width * height.
	 * This array is ordered, and items must follow from left to right, top to bottom of the crafting grid.
	 */
	public static void addShaped(ItemStack output, int width, int height, Object... input) {
		addRecipe(j++, genShaped(output, width, height, input));
	}

	public static void addShaped(Item output, int width, int height, Object... input) {
		addShaped(new ItemStack(output), width, height, input);
	}

	public static void addShaped(Block output, int width, int height, Object... input) {
		addShaped(new ItemStack(output), width, height, input);
	}

	/*
	 * Adds a shapeless recipe with X output on a crafting grid that is W x H, using an array of inputs.  Use null for nothing, use Strings for OreDictionary support, this array must have a length of width * height.
	 * This array is ordered, and items must follow from left to right, top to bottom of the crafting grid. This has a custom group.
	 */
	public static void addShaped(String group, ItemStack output, int width, int height, Object... input) {
		addRecipe(j++, genShaped(MODID + ":" + group, output, width, height, input));
	}

	public static void addShaped(String group, Item output, int width, int height, Object... input) {
		addShaped(group, new ItemStack(output), width, height, input);
	}

	public static void addShaped(String group, Block output, int width, int height, Object... input) {
		addShaped(group, new ItemStack(output), width, height, input);
	}

	public static ShapedRecipes genShaped(ItemStack output, int l, int w, Object[] input) {
		return genShaped(MODID + ":" + j, output, l, w, input);
	}

	public static ShapedRecipes genShaped(String group, ItemStack output, int l, int w, Object[] input) {
		if (input[0] instanceof List)
			input = ((List<?>) input[0]).toArray();
		else if (input[0] instanceof Object[])
			input = (Object[]) input[0];
		if (l * w != input.length)
			throw new UnsupportedOperationException(
					"Attempted to add invalid shaped recipe.  Complain to the author of " + MODNAME);
		NonNullList<Ingredient> inputL = NonNullList.create();
		for (int i = 0; i < input.length; i++) {
			Object k = input[i];
			if (k instanceof String) {
				inputL.add(i, new OreIngredient((String) k));
			} else if (k instanceof ItemStack && !((ItemStack) k).isEmpty()) {
				inputL.add(i, Ingredient.fromStacks((ItemStack) k));
			} else if (k instanceof Item) {
				inputL.add(i, Ingredient.fromStacks(new ItemStack((Item) k)));
			} else if (k instanceof Block) {
				inputL.add(i, Ingredient.fromStacks(new ItemStack((Block) k)));
			} else {
				inputL.add(i, Ingredient.EMPTY);
			}
		}

		return new ShapedRecipes(group, l, w, inputL, output);
	}

	public static NonNullList<Ingredient> createInput(Object[] input) {
		if (input[0] instanceof List)
			input = ((List<?>) input[0]).toArray();
		else if (input[0] instanceof Object[])
			input = (Object[]) input[0];
		NonNullList<Ingredient> inputL = NonNullList.create();
		for (int i = 0; i < input.length; i++) {
			Object k = input[i];
			if (k instanceof String) {
				inputL.add(i, new OreIngredient((String) k));
			} else if (k instanceof ItemStack) {
				inputL.add(i, Ingredient.fromStacks((ItemStack) k));
			} else if (k instanceof Item) {
				inputL.add(i, Ingredient.fromStacks(new ItemStack((Item) k)));
			} else if (k instanceof Block) {
				inputL.add(i, Ingredient.fromStacks(new ItemStack((Block) k)));
			} else {
				throw new UnsupportedOperationException(
						"Attempted to add invalid shapeless recipe.  Complain to the author of " + MODNAME);
			}
		}
		return inputL;
	}
}

Any chance you know how to REMOVE recipes added this way? I've been using the addShapeless() methods here but now can't seem to REMOVE them from my mod?
http://www.minecraftforge.net/forum/topic/66659-1122-cant-remove-recipes-added-via-addshapeless/