diff --git a/src/main/java/world/bentobox/bentobox/listeners/flags/CleanSuperFlatListener.java b/src/main/java/world/bentobox/bentobox/listeners/flags/CleanSuperFlatListener.java
index f76cf081d..451aa2423 100644
--- a/src/main/java/world/bentobox/bentobox/listeners/flags/CleanSuperFlatListener.java
+++ b/src/main/java/world/bentobox/bentobox/listeners/flags/CleanSuperFlatListener.java
@@ -21,6 +21,7 @@ import world.bentobox.bentobox.lists.Flags;
  *
  */
 public class CleanSuperFlatListener extends AbstractFlagListener {
+    @SuppressWarnings("deprecation")
     @EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
     public void onChunkLoad(ChunkLoadEvent e) {
         BentoBox plugin = BentoBox.getInstance();
diff --git a/src/main/java/world/bentobox/bentobox/managers/island/IslandGrid.java b/src/main/java/world/bentobox/bentobox/managers/island/IslandGrid.java
index 66cfee5de..63b7c4a00 100644
--- a/src/main/java/world/bentobox/bentobox/managers/island/IslandGrid.java
+++ b/src/main/java/world/bentobox/bentobox/managers/island/IslandGrid.java
@@ -1,9 +1,10 @@
 package world.bentobox.bentobox.managers.island;
 
-import com.google.common.base.Preconditions;
+import org.apache.commons.lang.Validate;
+
 import com.google.common.collect.Table;
 import com.google.common.collect.TreeBasedTable;
-import org.apache.commons.lang.Validate;
+
 import world.bentobox.bentobox.database.objects.Island;
 
 /**
@@ -34,7 +35,7 @@ public class IslandGrid {
         grid.put(island.getMinX(), island.getMinZ(), new Cell(CellState.OCCUPIED, island));
         return true;
     }
-    
+
     /**
      * Remove island from grid
      * @param island - the island to remove
@@ -51,7 +52,7 @@ public class IslandGrid {
         }
         return false;
     }
-    
+
     /**
      * Returns the island at the x,z location or null if there is none.
      * This includes the full island space, not just the protected area.
diff --git a/src/main/java/world/bentobox/bentobox/util/DeleteIslandChunks.java b/src/main/java/world/bentobox/bentobox/util/DeleteIslandChunks.java
index 77c671f4e..df6585f83 100644
--- a/src/main/java/world/bentobox/bentobox/util/DeleteIslandChunks.java
+++ b/src/main/java/world/bentobox/bentobox/util/DeleteIslandChunks.java
@@ -21,6 +21,7 @@ public class DeleteIslandChunks {
      * @param plugin - plugin object
      * @param island - island to delete
      */
+    @SuppressWarnings("deprecation")
     public DeleteIslandChunks(final BentoBox plugin, final Island island) {
         // Fire event
         IslandBaseEvent event = IslandEvent.builder().island(island).reason(Reason.DELETE).build();