diff --git a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/MobSpawnerBlock.java b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/MobSpawnerBlock.java
index 6bc58a39c..11d157824 100644
--- a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/MobSpawnerBlock.java
+++ b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/MobSpawnerBlock.java
@@ -25,7 +25,6 @@ import com.sk89q.jnbt.NBTUtils;
 import com.sk89q.jnbt.ShortTag;
 import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.storage.InvalidFormatException;
 
diff --git a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SignBlock.java b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SignBlock.java
index fddd784de..028c17014 100644
--- a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SignBlock.java
+++ b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SignBlock.java
@@ -23,7 +23,6 @@ import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.util.gson.GsonUtil;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 
 import java.util.HashMap;
diff --git a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SkullBlock.java b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SkullBlock.java
index e65ab3ec1..af33bc8de 100644
--- a/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SkullBlock.java
+++ b/worldedit-core/src/legacy/java/com/sk89q/worldedit/blocks/SkullBlock.java
@@ -22,7 +22,6 @@ package com.sk89q.worldedit.blocks;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 
 import java.util.HashMap;
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/BlockFactory.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/BlockFactory.java
index aab3504f4..141124855 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/BlockFactory.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/BlockFactory.java
@@ -21,7 +21,6 @@ package com.sk89q.worldedit.extension.factory;
 
 import com.sk89q.util.StringUtil;
 import com.sk89q.worldedit.WorldEdit;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.extension.input.InputParseException;
 import com.sk89q.worldedit.extension.input.ParserContext;
 import com.sk89q.worldedit.internal.registry.AbstractFactory;
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/BundledBlockRegistry.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/BundledBlockRegistry.java
index 40e123959..1f1a2b317 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/BundledBlockRegistry.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/BundledBlockRegistry.java
@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit.world.registry;
 
+import com.sk89q.worldedit.blocks.BlockMaterial;
 import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.world.block.BlockType;
 
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotRestore.java b/worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotRestore.java
index a7ef7ca9d..d812e13e5 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotRestore.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotRestore.java
@@ -24,7 +24,6 @@ import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.Vector2D;
-import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.world.DataException;