diff --git a/src/main/java/li/cil/oc/api/driver/MethodWhitelist.java b/src/main/java/li/cil/oc/api/driver/MethodWhitelist.java
index 655de5989..0bb8814c5 100644
--- a/src/main/java/li/cil/oc/api/driver/MethodWhitelist.java
+++ b/src/main/java/li/cil/oc/api/driver/MethodWhitelist.java
@@ -1,11 +1,12 @@
 package li.cil.oc.api.driver;
 
-import net.minecraft.world.World;
-
 /**
- * This interface can be implemented by drivers to enforce a method whitelist.
+ * This interface can be implemented by environments to enforce a method
+ * whitelist.
  * <p/>
- * When drivers are collected for a block, they are combined, resulting in the
+ * When drivers are collected for a block, they are combined into a compound
+ * driver. This compound driver will in turn generate a compound environment
+ * that wraps the contributing environments. Which in turn results in the
  * block's component containing the list of methods from all drivers that apply
  * to the block.
  * <p/>
@@ -13,8 +14,9 @@ import net.minecraft.world.World;
  * list of methods should be shown for a block - for example, you may want to
  * suppress inventory functionality if your TileEntity implements IInventory.
  * <p/>
- * To do so, implement this interface and provide the names of the allowed
- * methods from {@link #whitelistedMethods(World, int, int, int)}.
+ * To do so, implement this interface in the <em>environment</em> that you
+ * return from your driver's {@link Block#createEnvironment(net.minecraft.world.World, int, int, int)}
+ * method, and provide the names of the allowed methods from {@link #whitelistedMethods()}.
  * <p/>
  * <em>Important</em>: if multiple drivers apply to a single block that each
  * provide a whitelist, the list of allowed methods is the intersection of the
@@ -26,10 +28,7 @@ public interface MethodWhitelist {
      * for. Note that the names must <em>exactly</em> match the names of the
      * methods they allow.
      *
-     * @param world the world containing the block to get the whitelist for.
-     * @param x     the X coordinate of the block to get the whitelist for.
-     * @param y     the Y coordinate of the block to get the whitelist for.
-     * @param z     the Z coordinate of the block to get the whitelist for.
+     * @return the list of allowed methods.
      */
-    String[] whitelistedMethods(World world, int x, int y, int z);
+    String[] whitelistedMethods();
 }
diff --git a/src/main/java/li/cil/oc/api/driver/NamedBlock.java b/src/main/java/li/cil/oc/api/driver/NamedBlock.java
index e78eb9950..4aca4e1e1 100644
--- a/src/main/java/li/cil/oc/api/driver/NamedBlock.java
+++ b/src/main/java/li/cil/oc/api/driver/NamedBlock.java
@@ -1,9 +1,14 @@
 package li.cil.oc.api.driver;
 
 /**
- * This interface can be added to block drivers to provide a 'preferred name' in
- * case the driver is merged with other block drivers (interface based drivers
- * such as for <tt>IInventory</tt>).
+ * This interface can be added to <em>environments</em> generated by block
+ * drivers to provide a 'preferred name' in case the driver is merged with
+ * other block drivers (interface based drivers such as for <tt>IInventory</tt>).
+ * <p/>
+ * This was previously to be implemented on the driver itself, but that has been
+ * deprecated. Implement it in the environment returned from the block driver's
+ * {@link Block#createEnvironment(net.minecraft.world.World, int, int, int)}
+ * method instead.
  */
 public interface NamedBlock {
     /**
@@ -15,6 +20,5 @@ public interface NamedBlock {
      *
      * @return the preferred name.
      */
-    // TODO Provide world, x, y, z here in the next bigger API version.
     String preferredName();
 }
diff --git a/src/main/java/li/cil/oc/api/package-info.java b/src/main/java/li/cil/oc/api/package-info.java
index 0f727e0da..5eccdfff5 100644
--- a/src/main/java/li/cil/oc/api/package-info.java
+++ b/src/main/java/li/cil/oc/api/package-info.java
@@ -37,5 +37,5 @@
 @cpw.mods.fml.common.API(
         owner = "OpenComputers|Core",
         provides = "OpenComputersAPI",
-        apiVersion = "1.4.12")
+        apiVersion = "1.4.13")
 package li.cil.oc.api;
\ No newline at end of file
diff --git a/src/main/scala/li/cil/oc/server/driver/CompoundBlockDriver.scala b/src/main/scala/li/cil/oc/server/driver/CompoundBlockDriver.scala
index 5b8070e44..769b3494f 100644
--- a/src/main/scala/li/cil/oc/server/driver/CompoundBlockDriver.scala
+++ b/src/main/scala/li/cil/oc/server/driver/CompoundBlockDriver.scala
@@ -9,6 +9,7 @@ import net.minecraft.inventory.IInventory
 import net.minecraft.item.{Item, ItemStack}
 import net.minecraft.tileentity.TileEntity
 import net.minecraft.world.World
+import li.cil.oc.api.network.ManagedEnvironment
 
 class CompoundBlockDriver(val blocks: driver.Block*) extends driver.Block {
   override def createEnvironment(world: World, x: Int, y: Int, z: Int) = {
@@ -19,7 +20,7 @@ class CompoundBlockDriver(val blocks: driver.Block*) extends driver.Block {
       }
     } filter (_ != null)
     if (list.isEmpty) null
-    else new CompoundBlockEnvironment(world, x, y, z, cleanName(tryGetName(world, x, y, z)), list: _*)
+    else new CompoundBlockEnvironment(cleanName(tryGetName(world, x, y, z, list.map(_._2))), list: _*)
   }
 
   override def worksWith(world: World, x: Int, y: Int, z: Int) = blocks.forall(_.worksWith(world, x, y, z))
@@ -29,7 +30,12 @@ class CompoundBlockDriver(val blocks: driver.Block*) extends driver.Block {
     case _ => false
   }
 
-  private def tryGetName(world: World, x: Int, y: Int, z: Int): String = {
+  private def tryGetName(world: World, x: Int, y: Int, z: Int, environments: Seq[ManagedEnvironment]): String = {
+    for (environment <- environments) environment match {
+      case named: NamedBlock => return named.preferredName
+      case _ =>
+    }
+    // TODO Deprecated, remove in 1.3.
     for (block <- blocks) block match {
       case named: NamedBlock => return named.preferredName
       case _ =>
diff --git a/src/main/scala/li/cil/oc/server/driver/CompoundBlockEnvironment.scala b/src/main/scala/li/cil/oc/server/driver/CompoundBlockEnvironment.scala
index ffad841cf..5ca08c598 100644
--- a/src/main/scala/li/cil/oc/server/driver/CompoundBlockEnvironment.scala
+++ b/src/main/scala/li/cil/oc/server/driver/CompoundBlockEnvironment.scala
@@ -6,9 +6,8 @@ import li.cil.oc.api.network._
 import li.cil.oc.util.ExtendedNBT._
 import li.cil.oc.{OpenComputers, api}
 import net.minecraft.nbt.NBTTagCompound
-import net.minecraft.world.World
 
-class CompoundBlockEnvironment(val world: World, val x: Int, val y: Int, val z: Int, val name: String, val environments: (driver.Block, ManagedEnvironment)*) extends ManagedEnvironment {
+class CompoundBlockEnvironment(val name: String, val environments: (driver.Block, ManagedEnvironment)*) extends ManagedEnvironment {
   // Block drivers with visibility < network usually won't make much sense,
   // but let's play it safe and use the least possible visibility based on
   // the drivers we encapsulate.
diff --git a/src/main/scala/li/cil/oc/server/network/Component.scala b/src/main/scala/li/cil/oc/server/network/Component.scala
index f97659a20..b1d3b078a 100644
--- a/src/main/scala/li/cil/oc/server/network/Component.scala
+++ b/src/main/scala/li/cil/oc/server/network/Component.scala
@@ -157,7 +157,7 @@ object Component {
       case multi: CompoundBlockEnvironment => multi.environments.map {
         case (_, environment) =>
           environment match {
-            case list: MethodWhitelist => whitelists += Option(list.whitelistedMethods(multi.world, multi.x, multi.y, multi.z)).fold(Set.empty[String])(_.toSet)
+            case list: MethodWhitelist => whitelists += Option(list.whitelistedMethods).fold(Set.empty[String])(_.toSet)
             case _ =>
           }
           environment.getClass: Class[_]