diff --git a/src/api/java/appeng/api/features/IInscriberRegistry.java b/src/api/java/appeng/api/features/IInscriberRegistry.java
index 330dc4de..adff28cf 100644
--- a/src/api/java/appeng/api/features/IInscriberRegistry.java
+++ b/src/api/java/appeng/api/features/IInscriberRegistry.java
@@ -3,13 +3,10 @@ package appeng.api.features;
 
 
 import java.util.Collection;
-import java.util.List;
 import java.util.Set;
 
 import javax.annotation.Nonnull;
 
-import com.google.common.base.Optional;
-
 import net.minecraft.item.ItemStack;