diff --git a/src/main/java/com/iridium/iridiumskyblock/DataConverter.java b/src/main/java/com/iridium/iridiumskyblock/DataConverter.java
index 25c6098a8..7147f5e00 100644
--- a/src/main/java/com/iridium/iridiumskyblock/DataConverter.java
+++ b/src/main/java/com/iridium/iridiumskyblock/DataConverter.java
@@ -1,12 +1,14 @@
 package com.iridium.iridiumskyblock;
 
+import com.iridium.iridiumskyblock.database.Island;
+import com.iridium.iridiumskyblock.database.IslandUpgrade;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.Arrays;
-import java.util.Objects;
+import java.util.*;
 
 public class DataConverter {
 
@@ -18,6 +20,24 @@ public static void run(IridiumSkyblock instance) {
         v3_0_0();
     }
 
+    public static void deleteDuplicateUpgrades() {
+        List<String> islandUpgrades = new ArrayList<>();
+        List<IslandUpgrade> remove = new ArrayList<>();
+        for (IslandUpgrade islandUpgrade : IridiumSkyblock.getInstance().getDatabaseManager().getIslandUpgradeTableManager().getEntries()) {
+            Optional<Island> island = islandUpgrade.getIsland();
+            if (island.isPresent()) {
+                if (islandUpgrades.contains(islandUpgrade.getUpgrade() + " - " + island.get().getId())) {
+                    remove.add(islandUpgrade);
+                } else {
+                    islandUpgrades.add(islandUpgrade.getUpgrade() + " - " + island.get().getId());
+                }
+            } else {
+                remove.add(islandUpgrade);
+            }
+        }
+        IridiumSkyblock.getInstance().getDatabaseManager().getIslandUpgradeTableManager().delete(remove);
+    }
+
     private static void v3_0_0() {
         String[] fileNames = Objects.requireNonNull(iridiumSkyblock.getDataFolder().list());
         if (!Arrays.asList(fileNames).contains("config.json")) {
diff --git a/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java b/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
index 012a28453..ba50c4539 100644
--- a/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
+++ b/src/main/java/com/iridium/iridiumskyblock/IridiumSkyblock.java
@@ -195,6 +195,8 @@ public void run() {
                 .setColoredConsoleOutput(true)
                 .checkNow();
 
+        DataConverter.deleteDuplicateUpgrades();
+
         getLogger().info("----------------------------------------");
         getLogger().info("");
         getLogger().info(getDescription().getName() + " Enabled!");