diff --git a/core/src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java b/core/src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java
index 06651213c..a28b7c964 100644
--- a/core/src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java
+++ b/core/src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java
@@ -34,6 +34,7 @@ import com.volmit.iris.util.plugin.VolmitSender;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.io.File;
 import java.io.IOException;
@@ -45,6 +46,7 @@ import java.util.Map;
  * Hope you packed snacks & road sodas.
  */
 public class IrisToolbelt {
+    @ApiStatus.Internal
     public static Map<String, Boolean> toolbeltConfiguration = new HashMap<>();
 
     /**
@@ -235,6 +237,10 @@ public class IrisToolbelt {
         toolbeltConfiguration.put("retain.mantle." + className, true);
     }
 
+    public static boolean isRetainingMantleDataForSlice(String className) {
+        return !toolbeltConfiguration.isEmpty() && toolbeltConfiguration.get("retain.mantle." + className) == Boolean.TRUE;
+    }
+
     public static <T> T getMantleData(World world, int x, int y, int z, Class<T> of) {
         PlatformChunkGenerator e = access(world);
         if (e == null) {
diff --git a/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java b/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
index 38c1549a8..902206a2e 100644
--- a/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
+++ b/core/src/main/java/com/volmit/iris/util/mantle/Mantle.java
@@ -623,7 +623,7 @@ public class Mantle {
     }
 
     public void deleteChunkSlice(int x, int z, Class<?> c) {
-        if (!IrisToolbelt.toolbeltConfiguration.isEmpty() && IrisToolbelt.toolbeltConfiguration.getOrDefault("retain.mantle." + c.getCanonicalName(), false)) {
+        if (IrisToolbelt.isRetainingMantleDataForSlice(c.getCanonicalName())) {
             return;
         }
 
diff --git a/core/src/main/java/com/volmit/iris/util/mantle/MantleChunk.java b/core/src/main/java/com/volmit/iris/util/mantle/MantleChunk.java
index bb6ed868e..297140c5d 100644
--- a/core/src/main/java/com/volmit/iris/util/mantle/MantleChunk.java
+++ b/core/src/main/java/com/volmit/iris/util/mantle/MantleChunk.java
@@ -19,6 +19,7 @@
 package com.volmit.iris.util.mantle;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.ChunkRelativeBlockCoordinates;
 import com.volmit.iris.util.function.Consumer4;
@@ -270,6 +271,8 @@ public class MantleChunk extends FlaggedChunk {
     }
 
     public void deleteSlices(Class<?> c) {
+        if (IrisToolbelt.isRetainingMantleDataForSlice(c.getCanonicalName()))
+            return;
         for (int i = 0; i < sections.length(); i++) {
             Matter m = sections.get(i);
             if (m != null && m.hasSlice(c)) {