diff --git a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialog.java b/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialog.java
deleted file mode 100644
index 4faebf45..00000000
--- a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialog.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package one.nem.lacerta.shared.ui;
-
-import android.app.Dialog;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.Toast;
-
-import androidx.appcompat.widget.Toolbar;
-import androidx.fragment.app.DialogFragment;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.dialog.MaterialAlertDialogBuilder;
-
-public class LacertaSelectDirDialog extends DialogFragment {
-
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(getActivity());
-        LayoutInflater inflater = requireActivity().getLayoutInflater();
-        View view = inflater.inflate(R.layout.lacerta_dialog_select_dir, null);
-
-        RecyclerView recyclerView = view.findViewById(R.id.select_dir_recycler_view);
-        recyclerView.setHasFixedSize(true);
-
-        SelectDirDialogItemAdapter adapter = new SelectDirDialogItemAdapter((name, itemId) -> {
-            Toast.makeText(getContext(), "Called", Toast.LENGTH_SHORT).show();
-            dismiss();
-        });
-        recyclerView.setAdapter(adapter);
-        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
-
-        Toolbar toolbar = view.findViewById(R.id.select_dir_toolbar);
-        toolbar.setNavigationOnClickListener(v -> {
-            Toast.makeText(getContext(), "Called", Toast.LENGTH_SHORT).show();
-            dismiss();
-        });
-
-        builder.setView(view);
-
-        builder.setTitle("Select Directory");
-        builder.setMessage("Please select a directory.");
-        builder.setPositiveButton("OK", null);
-        builder.setNegativeButton("Cancel", null);
-        return builder.create();
-    }
-}
diff --git a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialogEventListener.java b/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialogEventListener.java
deleted file mode 100644
index a2fb8fdb..00000000
--- a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/LacertaSelectDirDialogEventListener.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package one.nem.lacerta.shared.ui;
-
-public interface LacertaSelectDirDialogEventListener {
-    void onDirSelected(String name, String itemId);
-}
diff --git a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/SelectDirDialogItemAdapter.java b/shared/ui/src/main/java/one/nem/lacerta/shared/ui/SelectDirDialogItemAdapter.java
deleted file mode 100644
index 81ffc6ec..00000000
--- a/shared/ui/src/main/java/one/nem/lacerta/shared/ui/SelectDirDialogItemAdapter.java
+++ /dev/null
@@ -1,63 +0,0 @@
-package one.nem.lacerta.shared.ui;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.ArrayList;
-
-import one.nem.lacerta.model.ListItem;
-
-public class SelectDirDialogItemAdapter extends RecyclerView.Adapter<SelectDirDialogItemAdapter.ViewHolder> {
-
-    ArrayList<ListItem> listItems;
-    LacertaSelectDirDialogEventListener listener;
-
-    public SelectDirDialogItemAdapter(LacertaSelectDirDialogEventListener listener) {
-        this.listener = listener;
-    }
-
-    public void setListItems(ArrayList<ListItem> listItems) {
-        this.listItems = listItems;
-    }
-
-    @Override
-    public SelectDirDialogItemAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.common_list_item, parent, false);
-        return new SelectDirDialogItemAdapter.ViewHolder(view);
-    }
-
-    @Override
-    public void onBindViewHolder(SelectDirDialogItemAdapter.ViewHolder holder, int position) {
-        ListItem listItem = listItems.get(position);
-        holder.title.setText(listItem.getTitle());
-        holder.description.setText(listItem.getDescription());
-        holder.itemView.setOnClickListener(v -> {
-            listener.onDirSelected(listItem.getTitle(), listItem.getItemId());
-        });
-    }
-
-    @Override
-    public int getItemCount() {
-        return listItems.size();
-    }
-
-    public class ViewHolder extends RecyclerView.ViewHolder {
-
-        TextView title;
-        TextView description;
-
-
-        public ViewHolder(@NonNull View itemView) {
-            super(itemView);
-
-            title = itemView.findViewById(R.id.item_title);
-            description = itemView.findViewById(R.id.item_description);
-
-        }
-    }
-}
diff --git a/shared/ui/src/main/res/layout/lacerta_dialog_select_dir.xml b/shared/ui/src/main/res/layout/lacerta_dialog_select_dir.xml
deleted file mode 100644
index b62a4868..00000000
--- a/shared/ui/src/main/res/layout/lacerta_dialog_select_dir.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <!-- Currentのタイトルと戻るボタン -->
-    <androidx.appcompat.widget.Toolbar
-        android:id="@+id/select_dir_toolbar"
-        android:layout_width="match_parent"
-        android:layout_height="?attr/actionBarSize"
-        android:background="@color/colorSecondaryContainer"
-        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
-        app:layout_constraintTop_toTopOf="parent"
-        app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/select_dir_recycler_view"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_margin="8dp"
-        android:background="@color/colorSurface"
-        android:padding="8dp"
-        android:scrollbars="vertical"
-        android:scrollbarStyle="outsideOverlay" />
-
-</LinearLayout>
\ No newline at end of file