diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.java
deleted file mode 100644
index cd7096974e..0000000000
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.java
+++ /dev/null
@@ -1,11 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu.utils;
-
-import androidx.annotation.Keep;
-
-public interface WiiUpdateCallback
-{
-  @Keep
-  boolean run(int processed, int total, long titleId);
-}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.kt
new file mode 100644
index 0000000000..f310b012e2
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.kt
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.utils
+
+import androidx.annotation.Keep
+
+@Keep
+fun interface WiiUpdateCallback {
+    fun run(processed: Int, total: Int, titleId: Long): Boolean
+}