diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.java
deleted file mode 100644
index bdea76351c8..00000000000
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.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 CompressCallback
-{
-  @Keep
-  boolean run(String text, float completion);
-}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.kt
new file mode 100644
index 00000000000..498c9a518bd
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/CompressCallback.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 CompressCallback {
+    fun run(text: String, completion: Float): Boolean
+}