diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractInventoryViewBuilder.java b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractInventoryViewBuilder.java
index ce9dd2254..a96096124 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractInventoryViewBuilder.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractInventoryViewBuilder.java
@@ -9,7 +9,6 @@ import org.bukkit.craftbukkit.util.CraftChatMessage;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.view.builder.InventoryViewBuilder;
-import org.jetbrains.annotations.NotNull;
 
 public abstract class CraftAbstractInventoryViewBuilder<V extends InventoryView> implements InventoryViewBuilder<V> {
 
@@ -22,9 +21,8 @@ public abstract class CraftAbstractInventoryViewBuilder<V extends InventoryView>
         this.handle = handle;
     }
 
-    @NotNull
     @Override
-    public InventoryViewBuilder<V> title(@NotNull final String title) {
+    public InventoryViewBuilder<V> title(final String title) {
         this.title = title;
         return this;
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractLocationInventoryViewBuilder.java b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractLocationInventoryViewBuilder.java
index 5fc1fcd94..d48411d60 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractLocationInventoryViewBuilder.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftAbstractLocationInventoryViewBuilder.java
@@ -9,6 +9,7 @@ import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.util.CraftLocation;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.view.builder.LocationInventoryViewBuilder;
+import org.jetbrains.annotations.NotNull;
 
 public abstract class CraftAbstractLocationInventoryViewBuilder<V extends InventoryView> extends CraftAbstractInventoryViewBuilder<V> implements LocationInventoryViewBuilder<V> {
 
@@ -19,6 +20,16 @@ public abstract class CraftAbstractLocationInventoryViewBuilder<V extends Invent
         super(handle);
     }
 
+    @Override
+    public LocationInventoryViewBuilder<V> title(@NotNull final String title) {
+        return (LocationInventoryViewBuilder<V>) super.title(title);
+    }
+
+    @Override
+    public LocationInventoryViewBuilder<V> copy() {
+        throw new UnsupportedOperationException("copy is not implemented on CraftAbstractLocationInventoryViewBuilder");
+    }
+
     @Override
     public LocationInventoryViewBuilder<V> checkReachable(final boolean checkReachable) {
         super.checkReachable = checkReachable;
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftMerchantInventoryViewBuilder.java b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftMerchantInventoryViewBuilder.java
index 2a69190a7..2155ee6e4 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftMerchantInventoryViewBuilder.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/view/builder/CraftMerchantInventoryViewBuilder.java
@@ -14,7 +14,6 @@ import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.Merchant;
 import org.bukkit.inventory.view.builder.MerchantInventoryViewBuilder;
-import org.jetbrains.annotations.NotNull;
 
 public class CraftMerchantInventoryViewBuilder<V extends InventoryView> extends CraftAbstractInventoryViewBuilder<V> implements MerchantInventoryViewBuilder<V> {
 
@@ -24,13 +23,17 @@ public class CraftMerchantInventoryViewBuilder<V extends InventoryView> extends
         super(handle);
     }
 
+    @Override
+    public MerchantInventoryViewBuilder<V> title(final String title) {
+        return (MerchantInventoryViewBuilder<V>) super.title(title);
+    }
+
     @Override
     public MerchantInventoryViewBuilder<V> merchant(final Merchant merchant) {
         this.merchant = ((CraftMerchant) merchant).getMerchant();
         return this;
     }
 
-    @NotNull
     @Override
     public MerchantInventoryViewBuilder<V> checkReachable(final boolean checkReachable) {
         super.checkReachable = checkReachable;