diff --git a/src/main/java/emu/lunarcore/data/ResourceLoader.java b/src/main/java/emu/lunarcore/data/ResourceLoader.java
index ba67226..3c7af4d 100644
--- a/src/main/java/emu/lunarcore/data/ResourceLoader.java
+++ b/src/main/java/emu/lunarcore/data/ResourceLoader.java
@@ -205,6 +205,12 @@ public class ResourceLoader {
         // Load group infos
         for (FloorInfo floor : GameData.getFloorInfos().values()) {
             for (FloorGroupSimpleInfo simpleGroup : floor.getSimpleGroupList()) {
+                // Dont load "deprecated" groups
+                if (simpleGroup.isIsDelete()) {
+                    continue;
+                }
+                
+                // Get file from resource directory
                 File file = new File(LunarCore.getConfig().getResourceDir() + "/" + simpleGroup.getGroupPath());
                 if (!file.exists()) continue;
 
diff --git a/src/main/java/emu/lunarcore/data/config/FloorInfo.java b/src/main/java/emu/lunarcore/data/config/FloorInfo.java
index 754e0fd..73c9006 100644
--- a/src/main/java/emu/lunarcore/data/config/FloorInfo.java
+++ b/src/main/java/emu/lunarcore/data/config/FloorInfo.java
@@ -88,6 +88,7 @@ public class FloorInfo {
     @Getter
     public static class FloorGroupSimpleInfo {
         private String GroupPath;
+        private boolean IsDelete;
         private int ID;
     }
 }