diff --git a/core/src/main/java/de/erethon/dungeonsxl/sign/button/EndSign.java b/core/src/main/java/de/erethon/dungeonsxl/sign/button/EndSign.java
index 12be6135..1cb3d782 100644
--- a/core/src/main/java/de/erethon/dungeonsxl/sign/button/EndSign.java
+++ b/core/src/main/java/de/erethon/dungeonsxl/sign/button/EndSign.java
@@ -16,7 +16,6 @@
  */
 package de.erethon.dungeonsxl.sign.button;
 
-import de.erethon.caliburn.item.VanillaItem;
 import de.erethon.dungeonsxl.api.DungeonsAPI;
 import de.erethon.dungeonsxl.api.dungeon.Dungeon;
 import de.erethon.dungeonsxl.api.sign.Button;
@@ -88,7 +87,7 @@ public class EndSign extends Button {
         }
 
         if (!getTriggers().isEmpty()) {
-            getSign().getBlock().setType(VanillaItem.AIR.getMaterial());
+            setToAir();
             return;
         }
 
diff --git a/core/src/main/java/de/erethon/dungeonsxl/sign/button/ReadySign.java b/core/src/main/java/de/erethon/dungeonsxl/sign/button/ReadySign.java
index 6cde0d3c..581958e8 100644
--- a/core/src/main/java/de/erethon/dungeonsxl/sign/button/ReadySign.java
+++ b/core/src/main/java/de/erethon/dungeonsxl/sign/button/ReadySign.java
@@ -16,7 +16,6 @@
  */
 package de.erethon.dungeonsxl.sign.button;
 
-import de.erethon.caliburn.item.VanillaItem;
 import de.erethon.commons.misc.NumberUtil;
 import de.erethon.dungeonsxl.api.DungeonsAPI;
 import de.erethon.dungeonsxl.api.player.GamePlayer;
@@ -89,7 +88,7 @@ public class ReadySign extends Button {
         }
 
         if (!getTriggers().isEmpty()) {
-            getSign().getBlock().setType(VanillaItem.AIR.getMaterial());
+            setToAir();
             return;
         }
 
diff --git a/core/src/main/java/de/erethon/dungeonsxl/sign/passive/HologramSign.java b/core/src/main/java/de/erethon/dungeonsxl/sign/passive/HologramSign.java
index d765abb3..46d855a8 100644
--- a/core/src/main/java/de/erethon/dungeonsxl/sign/passive/HologramSign.java
+++ b/core/src/main/java/de/erethon/dungeonsxl/sign/passive/HologramSign.java
@@ -19,7 +19,6 @@ package de.erethon.dungeonsxl.sign.passive;
 import com.gmail.filoghost.holographicdisplays.api.Hologram;
 import com.gmail.filoghost.holographicdisplays.api.HologramsAPI;
 import de.erethon.caliburn.item.ExItem;
-import de.erethon.caliburn.item.VanillaItem;
 import de.erethon.commons.misc.NumberUtil;
 import de.erethon.dungeonsxl.api.DungeonsAPI;
 import de.erethon.dungeonsxl.api.sign.Passive;
@@ -78,8 +77,6 @@ public class HologramSign extends Passive {
 
     @Override
     public void initialize() {
-        getSign().getBlock().setType(VanillaItem.AIR.getMaterial());
-
         String[] holoLines = getLine(1).split("/");
         Location location = getSign().getLocation();
         location = location.add(0.5, NumberUtil.parseDouble(getLine(2)), 0.5);
diff --git a/core/src/main/java/de/erethon/dungeonsxl/sign/rocker/OpenDoorSign.java b/core/src/main/java/de/erethon/dungeonsxl/sign/rocker/OpenDoorSign.java
index ffb3c2d4..e572807d 100644
--- a/core/src/main/java/de/erethon/dungeonsxl/sign/rocker/OpenDoorSign.java
+++ b/core/src/main/java/de/erethon/dungeonsxl/sign/rocker/OpenDoorSign.java
@@ -17,7 +17,6 @@
 package de.erethon.dungeonsxl.sign.rocker;
 
 import de.erethon.caliburn.category.Category;
-import de.erethon.caliburn.item.VanillaItem;
 import de.erethon.commons.misc.BlockUtil;
 import de.erethon.dungeonsxl.api.DungeonsAPI;
 import de.erethon.dungeonsxl.api.sign.Rocker;
@@ -89,8 +88,6 @@ public class OpenDoorSign extends Rocker {
             }
             ((DGameWorld) getGameWorld()).addGameBlock(door);
 
-            getSign().getBlock().setType(VanillaItem.AIR.getMaterial());
-
         } else {
             markAsErroneous("No door attached");
         }