diff --git a/common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/TerraFlora.java b/common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/TerraFlora.java
index 9582ba6a1..966bccba4 100644
--- a/common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/TerraFlora.java
+++ b/common/addons/config-flora/src/main/java/com/dfsek/terra/addons/flora/flora/gen/TerraFlora.java
@@ -74,11 +74,6 @@ public class TerraFlora implements Structure {
         return faces;
     }
     
-    @Override
-    public String getID() {
-        return id;
-    }
-    
     @Override
     public boolean generate(Vector3Int location, WritableWorld world, Random random, Rotation rotation) {
         boolean doRotation = testRotation.size() > 0;
diff --git a/common/addons/config-ore/src/main/java/com/dfsek/terra/addons/ore/ores/VanillaOre.java b/common/addons/config-ore/src/main/java/com/dfsek/terra/addons/ore/ores/VanillaOre.java
index 0b9beb671..7ba230f10 100644
--- a/common/addons/config-ore/src/main/java/com/dfsek/terra/addons/ore/ores/VanillaOre.java
+++ b/common/addons/config-ore/src/main/java/com/dfsek/terra/addons/ore/ores/VanillaOre.java
@@ -95,11 +95,6 @@ public class VanillaOre implements Structure {
         return true;
     }
     
-    @Override
-    public String getID() {
-        return null;
-    }
-    
     public BlockState getMaterial(BlockType replace) {
         return materials.getOrDefault(replace, material);
     }
diff --git a/common/addons/structure-block-shortcut/src/main/java/com/dfsek/terra/addons/palette/shortcut/block/SingletonStructure.java b/common/addons/structure-block-shortcut/src/main/java/com/dfsek/terra/addons/palette/shortcut/block/SingletonStructure.java
index 05f2b02d4..f3f168c5c 100644
--- a/common/addons/structure-block-shortcut/src/main/java/com/dfsek/terra/addons/palette/shortcut/block/SingletonStructure.java
+++ b/common/addons/structure-block-shortcut/src/main/java/com/dfsek/terra/addons/palette/shortcut/block/SingletonStructure.java
@@ -1,6 +1,7 @@
 package com.dfsek.terra.addons.palette.shortcut.block;
 
 import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.registry.key.RegistryKey;
 import com.dfsek.terra.api.structure.Structure;
 import com.dfsek.terra.api.util.Rotation;
 import com.dfsek.terra.api.util.vector.Vector3Int;
@@ -21,9 +22,4 @@ public class SingletonStructure implements Structure {
         world.setBlockState(location, blockState);
         return true;
     }
-    
-    @Override
-    public String getID() {
-        return blockState.getAsString();
-    }
 }
diff --git a/common/addons/structure-sponge-loader/src/main/java/com/dfsek/terra/addons/sponge/SpongeStructure.java b/common/addons/structure-sponge-loader/src/main/java/com/dfsek/terra/addons/sponge/SpongeStructure.java
index 1820174a5..d44eb772e 100644
--- a/common/addons/structure-sponge-loader/src/main/java/com/dfsek/terra/addons/sponge/SpongeStructure.java
+++ b/common/addons/structure-sponge-loader/src/main/java/com/dfsek/terra/addons/sponge/SpongeStructure.java
@@ -10,6 +10,8 @@ package com.dfsek.terra.addons.sponge;
 import java.util.Random;
 
 import com.dfsek.terra.api.block.state.BlockState;
+import com.dfsek.terra.api.registry.key.Keyed;
+import com.dfsek.terra.api.registry.key.RegistryKey;
 import com.dfsek.terra.api.structure.Structure;
 import com.dfsek.terra.api.util.Rotation;
 import com.dfsek.terra.api.util.vector.Vector2Int;
@@ -17,13 +19,13 @@ import com.dfsek.terra.api.util.vector.Vector3Int;
 import com.dfsek.terra.api.world.WritableWorld;
 
 
-public class SpongeStructure implements Structure {
+public class SpongeStructure implements Structure, Keyed<SpongeStructure> {
     
     private final BlockState[][][] blocks;
     
-    private final String id;
+    private final RegistryKey id;
     
-    public SpongeStructure(BlockState[][][] blocks, String id) {
+    public SpongeStructure(BlockState[][][] blocks, RegistryKey id) {
         this.blocks = blocks;
         this.id = id;
     }
@@ -49,7 +51,7 @@ public class SpongeStructure implements Structure {
     }
     
     @Override
-    public String getID() {
+    public RegistryKey getRegistryKey() {
         return id;
     }
 }
diff --git a/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/StructureScript.java b/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/StructureScript.java
index dbedfb730..d07858cf9 100644
--- a/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/StructureScript.java
+++ b/common/addons/structure-terrascript-loader/src/main/java/com/dfsek/terra/addons/terrascript/script/StructureScript.java
@@ -7,6 +7,8 @@
 
 package com.dfsek.terra.addons.terrascript.script;
 
+import com.dfsek.terra.api.registry.key.Keyed;
+import com.dfsek.terra.api.registry.key.RegistryKey;
 import com.dfsek.terra.api.util.vector.Vector3Int;
 
 import net.jafama.FastMath;
@@ -49,14 +51,14 @@ import com.dfsek.terra.api.util.Rotation;
 import com.dfsek.terra.api.world.WritableWorld;
 
 
-public class StructureScript implements Structure {
+public class StructureScript implements Structure, Keyed<StructureScript> {
     private static final Logger LOGGER = LoggerFactory.getLogger(StructureScript.class);
     private final Block block;
-    private final String id;
+    private final RegistryKey id;
     private final Platform platform;
     
     @SuppressWarnings("rawtypes")
-    public StructureScript(InputStream inputStream, String id, Platform platform, Registry<Structure> registry,
+    public StructureScript(InputStream inputStream, RegistryKey id, Platform platform, Registry<Structure> registry,
                            Registry<LootTable> lootRegistry,
                            Registry<FunctionBuilder> functionRegistry) {
         Parser parser;
@@ -148,7 +150,7 @@ public class StructureScript implements Structure {
     }
     
     @Override
-    public String getID() {
-        return id;
+    public RegistryKey getRegistryKey() {
+        return null;
     }
 }
diff --git a/common/api/src/main/java/com/dfsek/terra/api/structure/Structure.java b/common/api/src/main/java/com/dfsek/terra/api/structure/Structure.java
index 9194edfdd..110f87dc8 100644
--- a/common/api/src/main/java/com/dfsek/terra/api/structure/Structure.java
+++ b/common/api/src/main/java/com/dfsek/terra/api/structure/Structure.java
@@ -9,12 +9,13 @@ package com.dfsek.terra.api.structure;
 
 import java.util.Random;
 
+import com.dfsek.terra.api.registry.key.Keyed;
 import com.dfsek.terra.api.util.Rotation;
 import com.dfsek.terra.api.registry.key.StringIdentifiable;
 import com.dfsek.terra.api.util.vector.Vector3Int;
 import com.dfsek.terra.api.world.WritableWorld;
 
 
-public interface Structure extends StringIdentifiable {
+public interface Structure {
     boolean generate(Vector3Int location, WritableWorld world, Random random, Rotation rotation);
 }