diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMap.java b/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMap.java
index 872972c687..ae1d28b737 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMap.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMap.java
@@ -5,6 +5,7 @@
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
 import java.util.EnumMap;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Collectors;
 
@@ -45,7 +46,7 @@ public class BiomeMap<T> implements Keyed {
     /**
      * Our internal {@link EnumMap} holding all the data.
      */
-    private final Map<Biome, T> dataMap = new EnumMap<>(Biome.class);
+    private final Map<Biome, T> dataMap = new HashMap<>();
 
     /**
      * The {@link NamespacedKey} to identify this {@link BiomeMap}.
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMapParser.java b/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMapParser.java
index 62d345acf8..b2d139ab7f 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMapParser.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/utils/biomes/BiomeMapParser.java
@@ -1,7 +1,7 @@
 package io.github.thebusybiscuit.slimefun4.utils.biomes;
 
-import java.util.EnumMap;
-import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
@@ -40,7 +40,7 @@ public class BiomeMapParser<T> {
 
     private final NamespacedKey key;
     private final BiomeDataConverter<T> valueConverter;
-    private final Map<Biome, T> map = new EnumMap<>(Biome.class);
+    private final Map<Biome, T> map = new HashMap<>();
 
     /**
      * This flag specifies whether the parsing is "lenient" or not.
@@ -159,7 +159,7 @@ private void readEntry(@Nonnull JsonObject entry) throws BiomeMapException {
 
     private @Nonnull Set<Biome> readBiomes(@Nonnull JsonArray array) throws BiomeMapException {
         Validate.notNull(array, "The JSON array should not be null!");
-        Set<Biome> biomes = EnumSet.noneOf(Biome.class);
+        Set<Biome> biomes = new HashSet<>();
 
         for (JsonElement element : array) {
             if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isString()) {