diff --git a/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/BoxComponent.java b/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/BoxComponent.java
index b114a361c..142878c5b 100644
--- a/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/BoxComponent.java
+++ b/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/BoxComponent.java
@@ -27,4 +27,10 @@ package org.geysermc.geyser.api.block.custom.component;
 
 public record BoxComponent(float originX, float originY, float originZ,
                            float sizeX, float sizeY, float sizeZ) {
+    public static final BoxComponent FULL_BLOCK = new BoxComponent(-8, 0, -8, 16, 16, 16);
+    public static final BoxComponent EMPTY_BOX = new BoxComponent(0, 0, 0, 0, 0, 0);
+
+    public boolean isEmpty() {
+        return sizeX == 0 && sizeY == 0 && sizeZ == 0;
+    }
 }
diff --git a/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/CustomBlockComponents.java b/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/CustomBlockComponents.java
index 92da81db8..f18440b33 100644
--- a/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/CustomBlockComponents.java
+++ b/api/geyser/src/main/java/org/geysermc/geyser/api/block/custom/component/CustomBlockComponents.java
@@ -47,9 +47,9 @@ public interface CustomBlockComponents {
     RotationComponent rotation();
 
     interface Builder {
-        Builder aimCollision(BoxComponent aimCollision);
+        Builder selectionBox(BoxComponent selectionBox);
 
-        Builder entityCollision(BoxComponent entityCollision);
+        Builder collisionBox(BoxComponent collisionBox);
 
         Builder geometry(String geometry);
 
diff --git a/core/src/main/java/org/geysermc/geyser/level/block/GeyserCustomBlockComponents.java b/core/src/main/java/org/geysermc/geyser/level/block/GeyserCustomBlockComponents.java
index 61e43b63f..5ac7e2613 100644
--- a/core/src/main/java/org/geysermc/geyser/level/block/GeyserCustomBlockComponents.java
+++ b/core/src/main/java/org/geysermc/geyser/level/block/GeyserCustomBlockComponents.java
@@ -33,8 +33,8 @@ import org.geysermc.geyser.api.block.custom.component.RotationComponent;
 import java.util.Map;
 
 public class GeyserCustomBlockComponents implements CustomBlockComponents {
-    private final BoxComponent aimCollision;
-    private final BoxComponent entityCollision;
+    private final BoxComponent selectionBox;
+    private final BoxComponent collisionBox;
     private final String geometry;
     private final Map<String, MaterialInstance> materialInstances;
     private final Float destroyTime;
@@ -44,8 +44,8 @@ public class GeyserCustomBlockComponents implements CustomBlockComponents {
     private final RotationComponent rotation;
 
     private GeyserCustomBlockComponents(CustomBlockComponentsBuilder builder) {
-        this.aimCollision = builder.aimCollision;
-        this.entityCollision = builder.entityCollision;
+        this.selectionBox = builder.selectionBox;
+        this.collisionBox = builder.collisionBox;
         this.geometry = builder.geometry;
         this.materialInstances = builder.materialInstances;
         this.destroyTime = builder.destroyTime;
@@ -57,12 +57,12 @@ public class GeyserCustomBlockComponents implements CustomBlockComponents {
 
     @Override
     public BoxComponent selectionBox() {
-        return aimCollision;
+        return selectionBox;
     }
 
     @Override
     public BoxComponent collisionBox() {
-        return entityCollision;
+        return collisionBox;
     }
 
     @Override
@@ -101,8 +101,8 @@ public class GeyserCustomBlockComponents implements CustomBlockComponents {
     }
 
     public static class CustomBlockComponentsBuilder implements Builder {
-        protected BoxComponent aimCollision;
-        protected BoxComponent entityCollision;
+        protected BoxComponent selectionBox;
+        protected BoxComponent collisionBox;
         protected String geometry;
         protected Map<String, MaterialInstance> materialInstances;
         protected Float destroyTime;
@@ -112,14 +112,14 @@ public class GeyserCustomBlockComponents implements CustomBlockComponents {
         protected RotationComponent rotation;
 
         @Override
-        public Builder aimCollision(BoxComponent aimCollision) {
-            this.aimCollision = aimCollision;
+        public Builder selectionBox(BoxComponent selectionBox) {
+            this.selectionBox = selectionBox;
             return this;
         }
 
         @Override
-        public Builder entityCollision(BoxComponent entityCollision) {
-            this.entityCollision = entityCollision;
+        public Builder collisionBox(BoxComponent collisionBox) {
+            this.collisionBox = collisionBox;
             return this;
         }
 
diff --git a/core/src/main/java/org/geysermc/geyser/registry/populator/BlockRegistryPopulator.java b/core/src/main/java/org/geysermc/geyser/registry/populator/BlockRegistryPopulator.java
index dfc82fe4b..0b37cc313 100644
--- a/core/src/main/java/org/geysermc/geyser/registry/populator/BlockRegistryPopulator.java
+++ b/core/src/main/java/org/geysermc/geyser/registry/populator/BlockRegistryPopulator.java
@@ -336,31 +336,21 @@ public class BlockRegistryPopulator {
         }
         NbtMapBuilder builder = NbtMap.builder();
         if (components.selectionBox() != null) {
-            BoxComponent selectionBox = components.selectionBox();
-            builder.putCompound("minecraft:aim_collision", NbtMap.builder()
-                    .putBoolean("enabled", true)
-                    .putList("origin", NbtType.FLOAT, selectionBox.originX(), selectionBox.originY(), selectionBox.originZ())
-                    .putList("size", NbtType.FLOAT, selectionBox.sizeX(), selectionBox.sizeY(), selectionBox.sizeZ())
-                    .build());
+            builder.putCompound("minecraft:aim_collision", convertBox(components.selectionBox()));
         }
         if (components.collisionBox() != null) {
-            BoxComponent collisionBox = components.collisionBox();
             String tagName = "minecraft:block_collision";
             if (protocolVersion >= Bedrock_v534.V534_CODEC.getProtocolVersion()) {
                 tagName = "minecraft:collision_box";
             }
-            builder.putCompound(tagName, NbtMap.builder()
-                    .putBoolean("enabled", true)
-                    .putList("origin", NbtType.FLOAT, collisionBox.originX(), collisionBox.originY(), collisionBox.originZ())
-                    .putList("size", NbtType.FLOAT, collisionBox.sizeX(), collisionBox.sizeY(), collisionBox.sizeZ())
-                    .build());
+            builder.putCompound(tagName, convertBox(components.collisionBox()));
         }
         if (components.geometry() != null) {
             builder.putCompound("minecraft:geometry", NbtMap.builder()
                     .putString("value", components.geometry())
                     .build());
         }
-        if (components.materialInstances() != null) {
+        if (components.materialInstances() != null && !components.materialInstances().isEmpty()) {
             NbtMapBuilder materialsBuilder = NbtMap.builder();
             for (Map.Entry<String, MaterialInstance> entry : components.materialInstances().entrySet()) {
                 MaterialInstance materialInstance = entry.getValue();
@@ -406,6 +396,14 @@ public class BlockRegistryPopulator {
         return builder.build();
     }
 
+    private static NbtMap convertBox(BoxComponent boxComponent) {
+        return NbtMap.builder()
+                .putBoolean("enabled", !boxComponent.isEmpty())
+                .putList("origin", NbtType.FLOAT, boxComponent.originX(), boxComponent.originY(), boxComponent.originZ())
+                .putList("size", NbtType.FLOAT, boxComponent.sizeX(), boxComponent.sizeY(), boxComponent.sizeZ())
+                .build();
+    }
+
     private static void registerJavaBlocks() {
         JsonNode blocksJson;
         try (InputStream stream = GeyserImpl.getInstance().getBootstrap().getResource("mappings/blocks.json")) {
diff --git a/core/src/main/java/org/geysermc/geyser/registry/type/CustomSkull.java b/core/src/main/java/org/geysermc/geyser/registry/type/CustomSkull.java
index 3e695d64d..c3b8beb8e 100644
--- a/core/src/main/java/org/geysermc/geyser/registry/type/CustomSkull.java
+++ b/core/src/main/java/org/geysermc/geyser/registry/type/CustomSkull.java
@@ -131,8 +131,8 @@ public class CustomSkull {
             for (int i = 0; i < 4; i++) {
                 int floorRotation = 4 * quadrant + i;
                 CustomBlockComponents components = new GeyserCustomBlockComponents.CustomBlockComponentsBuilder()
-                        .aimCollision(box)
-                        .entityCollision(box)
+                        .selectionBox(box)
+                        .collisionBox(box)
                         .geometry("geometry.geyser.player_skull_floor_" + quadrantNames[i])
                         .rotation(rotation)
                         .build();
@@ -159,8 +159,8 @@ public class CustomSkull {
             String condition = String.format("query.block_property('%s') == %d && query.block_property('%s') == %d", BITS_A_PROPERTY, i + 1, BITS_B_PROPERTY, 0);
 
             CustomBlockComponents components = new GeyserCustomBlockComponents.CustomBlockComponentsBuilder()
-                    .aimCollision(box)
-                    .entityCollision(box)
+                    .selectionBox(box)
+                    .collisionBox(box)
                     .geometry("geometry.geyser.player_skull_wall")
                     .rotation(rotation)
                     .build();