diff --git a/src/main/scala/li/cil/oc/Settings.scala b/src/main/scala/li/cil/oc/Settings.scala
index a74041a5b..868fada16 100644
--- a/src/main/scala/li/cil/oc/Settings.scala
+++ b/src/main/scala/li/cil/oc/Settings.scala
@@ -395,31 +395,6 @@ object Settings {
   }
 
   private val configPatches = Array(
-    // Upgrading to version 1.3, increased lower bounds for default RAM sizes
-    // and reworked the way black- and whitelisting works (IP based).
-    VersionRange.createFromVersionSpec("[0.0,1.3-alpha)") -> Array(
-      "computer.ramSizes",
-      "internet.blacklist",
-      "internet.whitelist"
-    ),
-    // Upgrading to version 1.3.3, default power consumption of chunk loader
-    // reduced as discussed in #447.
-    VersionRange.createFromVersionSpec("[1.3.0,1.3.3)") -> Array(
-      "power.cost.chunkloaderCost"
-    ),
-    // Upgrading to version 1.3.4+, computer.debug category was moved to top
-    // level debug category for more flexibility and some other settings merged
-    // into that new category.
-    VersionRange.createFromVersionSpec("1.3.3") -> Array(
-      "computer.debug",
-      "misc.alwaysTryNative",
-      "misc.verbosePersistenceErrors"
-    ),
-    // Upgrading to version 1.3.5, added forgotten check for item stack,
-    // inspection, patch to true to avoid stuff suddenly breaking.
-    VersionRange.createFromVersionSpec("1.3.4") -> Array(
-      "misc.allowItemStackInspection"
-    ),
     // Upgrading to version 1.4.7, reduce default geolyzer noise.
     VersionRange.createFromVersionSpec("[0.0, 1.4.7)") -> Array(
       "misc.geolyzerNoise"
diff --git a/src/main/scala/li/cil/oc/common/Proxy.scala b/src/main/scala/li/cil/oc/common/Proxy.scala
index a7bcf8d49..fa3b8e787 100644
--- a/src/main/scala/li/cil/oc/common/Proxy.scala
+++ b/src/main/scala/li/cil/oc/common/Proxy.scala
@@ -95,24 +95,12 @@ class Proxy {
   // explicit like this, because it makes it a) clearer, b) easier to
   // extend, in case that should ever be needed.
 
-  private val blockRenames = Map(
-    OpenComputers.ID + ":" + Settings.namespace + "simple" -> "simple",
-    OpenComputers.ID + ":" + Settings.namespace + "simple_redstone" -> "simple_redstone",
-    OpenComputers.ID + ":" + Settings.namespace + "special" -> "special",
-    OpenComputers.ID + ":" + Settings.namespace + "special_redstone" -> "special_redstone",
-    OpenComputers.ID + ":" + Settings.namespace + "keyboard" -> "keyboard",
-    OpenComputers.ID + ":rack" -> "serverRack"
+  // Example usage: OpenComputers.ID + ":rack" -> "serverRack"
+  private val blockRenames = Map[String, String](
   )
 
-  private val itemRenames = Map(
-    OpenComputers.ID + ":" + Settings.namespace + "item" -> "item",
-    OpenComputers.ID + ":" + Settings.namespace + "simple" -> "simple",
-    OpenComputers.ID + ":" + Settings.namespace + "simple_redstone" -> "simple_redstone",
-    OpenComputers.ID + ":" + Settings.namespace + "special" -> "special",
-    OpenComputers.ID + ":" + Settings.namespace + "special_redstone" -> "special_redstone",
-    OpenComputers.ID + ":" + Settings.namespace + "keyboard" -> "keyboard",
-    OpenComputers.ID + ":rack" -> "serverRack",
-    OpenComputers.ID + ":appengTunnel" -> "", // Avoid breaking worlds for people that used the dev builds.
+  // Example usage: OpenComputers.ID + ":tabletCase" -> "tabletCase1"
+  private val itemRenames = Map[String, String](
     OpenComputers.ID + ":microcontrollerCase" -> "microcontrollerCase1",
     OpenComputers.ID + ":droneCase" -> "droneCase1",
     OpenComputers.ID + ":tabletCase" -> "tabletCase1"