diff --git a/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.java b/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.java
deleted file mode 100644
index f41d71c3..00000000
--- a/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package dev.openrs2.deob.transform;
-
-import dev.openrs2.asm.classpath.ClassPath;
-import dev.openrs2.asm.classpath.Library;
-import dev.openrs2.asm.transform.Transformer;
-import org.objectweb.asm.Opcodes;
-import org.objectweb.asm.tree.ClassNode;
-
-public final class CanvasTransformer extends Transformer {
-	@Override
-	public boolean transformClass(ClassPath classPath, Library library, ClassNode clazz) {
-		if (!"java/awt/Canvas".equals(clazz.superName)) {
-			return false;
-		}
-
-		if ((clazz.access & Opcodes.ACC_FINAL) == 0) {
-			return false;
-		}
-
-		clazz.interfaces.remove("java/awt/event/FocusListener");
-
-		return false;
-	}
-}
diff --git a/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.kt b/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.kt
new file mode 100644
index 00000000..a6e18d5c
--- /dev/null
+++ b/deob/src/main/java/dev/openrs2/deob/transform/CanvasTransformer.kt
@@ -0,0 +1,26 @@
+package dev.openrs2.deob.transform
+
+import dev.openrs2.asm.classpath.ClassPath
+import dev.openrs2.asm.classpath.Library
+import dev.openrs2.asm.transform.Transformer
+import org.objectweb.asm.Opcodes
+import org.objectweb.asm.tree.ClassNode
+
+class CanvasTransformer : Transformer() {
+    public override fun transformClass(
+        classPath: ClassPath,
+        library: Library,
+        clazz: ClassNode
+    ): Boolean {
+        if (clazz.superName != "java/awt/Canvas") {
+            return false
+        }
+
+        if (clazz.access and Opcodes.ACC_FINAL == 0) {
+            return false
+        }
+
+        clazz.interfaces.remove("java/awt/event/FocusListener")
+        return false
+    }
+}