diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.java
deleted file mode 100644
index 68c209cc0c..0000000000
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.java
+++ /dev/null
@@ -1,66 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu.features.riivolution.ui;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import org.dolphinemu.dolphinemu.databinding.ListItemRiivolutionBinding;
-import org.dolphinemu.dolphinemu.features.riivolution.model.RiivolutionPatches;
-
-import java.util.ArrayList;
-
-public class RiivolutionAdapter extends RecyclerView.Adapter<RiivolutionViewHolder>
-{
-  private final Context mContext;
-  private final RiivolutionPatches mPatches;
-  private final ArrayList<RiivolutionItem> mItems = new ArrayList<>();
-
-  public RiivolutionAdapter(Context context, RiivolutionPatches patches)
-  {
-    mContext = context;
-    mPatches = patches;
-
-    int discCount = mPatches.getDiscCount();
-    for (int i = 0; i < discCount; i++)
-    {
-      mItems.add(new RiivolutionItem(i));
-
-      int sectionCount = mPatches.getSectionCount(i);
-      for (int j = 0; j < sectionCount; j++)
-      {
-        mItems.add(new RiivolutionItem(i, j));
-
-        int optionCount = mPatches.getOptionCount(i, j);
-        for (int k = 0; k < optionCount; k++)
-        {
-          mItems.add(new RiivolutionItem(i, j, k));
-        }
-      }
-    }
-  }
-
-  @NonNull @Override
-  public RiivolutionViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType)
-  {
-    LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-    ListItemRiivolutionBinding binding = ListItemRiivolutionBinding.inflate(inflater);
-    return new RiivolutionViewHolder(binding.getRoot(), binding);
-  }
-
-  @Override
-  public void onBindViewHolder(@NonNull RiivolutionViewHolder holder, int position)
-  {
-    holder.bind(mContext, mPatches, mItems.get(position));
-  }
-
-  @Override
-  public int getItemCount()
-  {
-    return mItems.size();
-  }
-}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.kt
new file mode 100644
index 0000000000..9cae2f0bae
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/riivolution/ui/RiivolutionAdapter.kt
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.riivolution.ui
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import org.dolphinemu.dolphinemu.databinding.ListItemRiivolutionBinding
+import org.dolphinemu.dolphinemu.features.riivolution.model.RiivolutionPatches
+
+class RiivolutionAdapter(private val context: Context, private val patches: RiivolutionPatches) :
+    RecyclerView.Adapter<RiivolutionViewHolder>() {
+    private val items = ArrayList<RiivolutionItem>()
+
+    init {
+        val discCount = patches.getDiscCount()
+        for (i in 0 until discCount) {
+            items.add(RiivolutionItem(i))
+
+            val sectionCount = patches.getSectionCount(i)
+            for (j in 0 until sectionCount) {
+                items.add(RiivolutionItem(i, j))
+
+                val optionCount = patches.getOptionCount(i, j)
+                for (k in 0 until optionCount) {
+                    items.add(RiivolutionItem(i, j, k))
+                }
+            }
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RiivolutionViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        val binding = ListItemRiivolutionBinding.inflate(inflater)
+        return RiivolutionViewHolder(binding.root, binding)
+    }
+
+    override fun onBindViewHolder(holder: RiivolutionViewHolder, position: Int) {
+        holder.bind(context, patches, items[position])
+    }
+
+    override fun getItemCount(): Int {
+        return items.size
+    }
+}