diff --git a/src/main/java/de/fanta/challenges/gravestones/GravestoneListener.java b/src/main/java/de/fanta/challenges/gravestones/GravestoneListener.java
index af47d9a..459749c 100644
--- a/src/main/java/de/fanta/challenges/gravestones/GravestoneListener.java
+++ b/src/main/java/de/fanta/challenges/gravestones/GravestoneListener.java
@@ -2,8 +2,10 @@
 
 import de.fanta.challenges.Challenges;
 import de.fanta.challenges.utils.ChatUtil;
+import org.bukkit.Bukkit;
 import org.bukkit.NamespacedKey;
 import org.bukkit.block.Block;
+import org.bukkit.block.Sign;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.ArmorStand;