diff --git a/src/com/dre/brewery/recipe/BCauldronRecipe.java b/src/com/dre/brewery/recipe/BCauldronRecipe.java
index 52a8994..672bb10 100644
--- a/src/com/dre/brewery/recipe/BCauldronRecipe.java
+++ b/src/com/dre/brewery/recipe/BCauldronRecipe.java
@@ -20,8 +20,8 @@ public class BCauldronRecipe {
 	public static List<BCauldronRecipe> recipes = new ArrayList<>();
 	public static int numConfigRecipes;
 	public static List<RecipeItem> acceptedCustom = new ArrayList<>(); // All accepted custom and other items
-	public static Set<Material> acceptedSimple = EnumSet.noneOf(Material.class); // All accepted simple items
-	public static Set<Material> acceptedMaterials = EnumSet.noneOf(Material.class); // Fast cache for all accepted Materials
+	public static Set<Material> acceptedSimple = new HashSet<>(); // All accepted simple items
+	public static Set<Material> acceptedMaterials = new HashSet<>(); // Fast cache for all accepted Materials
 
 	private String name;
 	private List<RecipeItem> ingredients;
diff --git a/src/com/dre/brewery/utility/LegacyUtil.java b/src/com/dre/brewery/utility/LegacyUtil.java
index 2ca3c9c..d5cdecf 100644
--- a/src/com/dre/brewery/utility/LegacyUtil.java
+++ b/src/com/dre/brewery/utility/LegacyUtil.java
@@ -13,7 +13,7 @@ import org.bukkit.material.Wood;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.EnumSet;
+import java.util.HashSet;
 import java.util.Set;
 
 import static com.dre.brewery.BCauldron.EMPTY;
@@ -42,7 +42,9 @@ public class LegacyUtil {
 		} catch (ClassNotFoundException | NoSuchMethodException | SecurityException ignored) {
 		}
 
-		Set<Material> planks = EnumSet.noneOf(Material.class);
+		// EnumSet not supposed to be used anymore
+		// See https://www.spigotmc.org/threads/spigot-bungeecord-1-19.559742/
+		Set<Material> planks = new HashSet<>();
 		for (Material m : Material.values()) {
 			if (m.name().endsWith("PLANKS")) {
 				planks.add(m);
@@ -50,7 +52,7 @@ public class LegacyUtil {
 		}
 		PLANKS = planks;
 
-		Set<Material> woodStairs = EnumSet.noneOf(Material.class);
+		Set<Material> woodStairs = new HashSet<>();
 		Material[] gotStairs = {
 			get("OAK_STAIRS", "WOOD_STAIRS"),
 			get("SPRUCE_STAIRS", "SPRUCE_WOOD_STAIRS"),
@@ -70,7 +72,7 @@ public class LegacyUtil {
 		WOOD_STAIRS = woodStairs;
 
 
-		Set<Material> fences = EnumSet.noneOf(Material.class);
+		Set<Material> fences = new HashSet<>();
 		for (Material m : Material.values()) {
 			if (m.name().endsWith("FENCE")) {
 				fences.add(m);