diff --git a/MC21.2/src/main/java/observer/nelle/roses/datagen/RosesBlockTagProvider.java b/MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesBlockTagProvider.kt
similarity index 100%
rename from MC21.2/src/main/java/observer/nelle/roses/datagen/RosesBlockTagProvider.java
rename to MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesBlockTagProvider.kt
diff --git a/MC21.2/src/main/java/observer/nelle/roses/datagen/RosesLootTableProvider.java b/MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesLootTableProvider.kt
similarity index 100%
rename from MC21.2/src/main/java/observer/nelle/roses/datagen/RosesLootTableProvider.java
rename to MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesLootTableProvider.kt
diff --git a/MC21.2/src/main/java/observer/nelle/roses/datagen/RosesRegistryGenerator.java b/MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesRegistryGenerator.kt
similarity index 100%
rename from MC21.2/src/main/java/observer/nelle/roses/datagen/RosesRegistryGenerator.java
rename to MC21.2/src/main/kotlin/observer/nelle/roses/datagen/RosesRegistryGenerator.kt
diff --git a/MC21.2/src/main/java/observer/nelle/roses/world/gen/RosesVegetationGeneration.java b/MC21.2/src/main/kotlin/observer/nelle/roses/world/gen/RosesVegetationGeneration.kt
similarity index 100%
rename from MC21.2/src/main/java/observer/nelle/roses/world/gen/RosesVegetationGeneration.java
rename to MC21.2/src/main/kotlin/observer/nelle/roses/world/gen/RosesVegetationGeneration.kt
diff --git a/MC21.2/src/main/java/observer/nelle/roses/world/gen/RosesWorldGeneration.java b/MC21.2/src/main/kotlin/observer/nelle/roses/world/gen/RosesWorldGeneration.kt
similarity index 100%
rename from MC21.2/src/main/java/observer/nelle/roses/world/gen/RosesWorldGeneration.java
rename to MC21.2/src/main/kotlin/observer/nelle/roses/world/gen/RosesWorldGeneration.kt