diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
index 99217807..f80ead1c 100644
--- a/src/main/java/org/bukkit/Material.java
+++ b/src/main/java/org/bukkit/Material.java
@@ -2221,6 +2221,10 @@ public interface Material extends Keyed, Comparable<Material> {
             return Bukkit.getUnsafe().fromLegacy(match);
         }
 
+        if (name == null) {
+            return null;
+        }
+
         if (name.startsWith(LEGACY_PREFIX)) {
             return Bukkit.getUnsafe().getLegacyMaterial(name);
         } else {
diff --git a/src/main/java/org/bukkit/block/Biome.java b/src/main/java/org/bukkit/block/Biome.java
index 0a02b732..4645bdee 100644
--- a/src/main/java/org/bukkit/block/Biome.java
+++ b/src/main/java/org/bukkit/block/Biome.java
@@ -19,7 +19,7 @@ public abstract class Biome extends OldEnum<Biome> implements Keyed {
     public static final Biome OCEAN = getBiome("ocean");
     public static final Biome PLAINS = getBiome("plains");
     public static final Biome DESERT = getBiome("desert");
-    public static final Biome WINDSWEPT_HILLS = getBiome("windswept_Hills");
+    public static final Biome WINDSWEPT_HILLS = getBiome("windswept_hills");
     public static final Biome FOREST = getBiome("forest");
     public static final Biome TAIGA = getBiome("taiga");
     public static final Biome SWAMP = getBiome("swamp");
diff --git a/src/main/java/org/bukkit/inventory/ItemType.java b/src/main/java/org/bukkit/inventory/ItemType.java
index 5cfa9aad..b6b4fa0b 100644
--- a/src/main/java/org/bukkit/inventory/ItemType.java
+++ b/src/main/java/org/bukkit/inventory/ItemType.java
@@ -1034,6 +1034,7 @@ public interface ItemType extends Material {
     ItemType MUSIC_DISC_WARD = asItemType(Material.MUSIC_DISC_WARD);
     ItemType MUSIC_DISC_11 = asItemType(Material.MUSIC_DISC_11);
     ItemType MUSIC_DISC_WAIT = asItemType(Material.MUSIC_DISC_WAIT);
+    ItemType MUSIC_DISC_OTHERSIDE = asItemType(Material.MUSIC_DISC_OTHERSIDE);
     ItemType MUSIC_DISC_PIGSTEP = asItemType(Material.MUSIC_DISC_PIGSTEP);
     ItemType TRIDENT = asItemType(Material.TRIDENT);
     ItemType PHANTOM_MEMBRANE = asItemType(Material.PHANTOM_MEMBRANE);
diff --git a/src/test/java/org/bukkit/ArtTest.java b/src/test/java/org/bukkit/ArtTest.java
deleted file mode 100644
index 8baee0df..00000000
--- a/src/test/java/org/bukkit/ArtTest.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.bukkit;
-
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
-import org.bukkit.support.AbstractTestingBase;
-import org.junit.Ignore;
-import org.junit.Test;
-
-@Ignore
-public class ArtTest extends AbstractTestingBase {
-
-    @Test(expected = IllegalArgumentException.class)
-    public void getByNullName() {
-        Art.getByName(null);
-    }
-
-    @Test
-    public void getById() {
-        for (Art art : Art.values()) {
-            assertThat(Art.getById(art.getId()), is(art));
-        }
-    }
-
-    @Test
-    public void getByName() {
-        for (Art art : Art.values()) {
-            assertThat(Art.getByName(art.toString()), is(art));
-        }
-    }
-
-    @Test
-    @Ignore // Values are now pulled directly from the
-    public void dimensionSanityCheck() {
-        for (Art art : Art.values()) {
-            assertThat(art.getBlockHeight(), is(greaterThan(0)));
-            assertThat(art.getBlockWidth(), is(greaterThan(0)));
-        }
-    }
-
-    @Test
-    public void getByNameWithMixedCase() {
-        Art subject = Art.values()[0];
-        String name = subject.toString().replace('E', 'e');
-
-        assertThat(Art.getByName(name), is(subject));
-    }
-}
diff --git a/src/test/java/org/bukkit/MaterialTest.java b/src/test/java/org/bukkit/MaterialTest.java
index 8f2c7c8e..090ea709 100644
--- a/src/test/java/org/bukkit/MaterialTest.java
+++ b/src/test/java/org/bukkit/MaterialTest.java
@@ -1,75 +1,18 @@
 package org.bukkit;
-/*
+
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
-import org.bukkit.material.MaterialData;
 import org.junit.Test;
-*/
 
 public class MaterialTest {
-    /*
-    @Test
-    public void getByName() {
-        for (Material material : Material.values()) {
-            assertThat(Material.getMaterial(material.toString()), is(material));
-        }
-    }
 
     @Test
     public void getByNameNull() {
         assertThat(Material.getMaterial(null), is(nullValue()));
     }
 
-    @Test
-    public void getData() {
-        for (Material material : Material.values()) {
-            if (!material.isLegacy()) {
-                continue;
-            }
-            Class<? extends MaterialData> clazz = material.getData();
-
-            assertThat(material.getNewData((byte) 0), is(instanceOf(clazz)));
-        }
-    }
-
     @Test(expected = IllegalArgumentException.class)
     public void matchMaterialByNull() {
         Material.matchMaterial(null);
     }
-
-    @Test
-    public void matchMaterialByName() {
-        for (Material material : Material.values()) {
-            assertThat(Material.matchMaterial(material.toString()), is(material));
-        }
-    }
-
-    @Test
-    public void matchMaterialByKey() {
-        for (Material material : Material.values()) {
-            if (material.isLegacy()) {
-                continue;
-            }
-            assertThat(Material.matchMaterial(material.getKey().toString()), is(material));
-        }
-    }
-
-    @Test
-    public void matchMaterialByWrongNamespace() {
-        for (Material material : Material.values()) {
-            if (material.isLegacy()) {
-                continue;
-            }
-            assertNull(Material.matchMaterial("bogus:" + material.getKey().getKey()));
-        }
-    }
-
-    @Test
-    public void matchMaterialByLowerCaseAndSpaces() {
-        for (Material material : Material.values()) {
-            String name = material.toString().replaceAll("_", " ").toLowerCase(java.util.Locale.ENGLISH);
-            assertThat(Material.matchMaterial(name), is(material));
-        }
-    }
-    */
 }