diff --git a/NohanaImagePicker/AssetCell.swift b/NohanaImagePicker/AssetCell.swift
index 957bd1e..0ed54d9 100644
--- a/NohanaImagePicker/AssetCell.swift
+++ b/NohanaImagePicker/AssetCell.swift
@@ -29,7 +29,7 @@ class AssetCell: UICollectionViewCell {
     }
     
     @IBAction func didPushPickButton(sender: UIButton) {
-        guard let asset = asset, nohanaImagePickerController = nohanaImagePickerController else {
+        guard let asset = asset else {
             return
         }
         if pickButton.selected {
diff --git a/NohanaImagePicker/AssetDetailListViewController.swift b/NohanaImagePicker/AssetDetailListViewController.swift
index 9cfba15..9d4cc45 100644
--- a/NohanaImagePicker/AssetDetailListViewController.swift
+++ b/NohanaImagePicker/AssetDetailListViewController.swift
@@ -81,8 +81,7 @@ class AssetDetailListViewController: AssetListViewController {
     // MARK: - UICollectionViewDelegate
     
     override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
-        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetDetailCell", forIndexPath: indexPath) as? AssetDetailCell,
-            nohanaImagePickerController = nohanaImagePickerController
+        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetDetailCell", forIndexPath: indexPath) as? AssetDetailCell
             else {
                 fatalError("failed to dequeueReusableCellWithIdentifier(\"AssetDetailCell\")")
         }
diff --git a/NohanaImagePicker/AssetListViewController.swift b/NohanaImagePicker/AssetListViewController.swift
index b1370fc..6c39e93 100644
--- a/NohanaImagePicker/AssetListViewController.swift
+++ b/NohanaImagePicker/AssetListViewController.swift
@@ -83,8 +83,7 @@ class AssetListViewController: UICollectionViewController {
     }
     
     override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
-        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetCell", forIndexPath: indexPath) as? AssetCell,
-            nohanaImagePickerController = nohanaImagePickerController else {
+        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetCell", forIndexPath: indexPath) as? AssetCell else {
                 fatalError("failed to dequeueReusableCellWithIdentifier(\"AssetCell\")")
         }
         cell.tag = indexPath.item
diff --git a/NohanaImagePicker/MomentViewController.swift b/NohanaImagePicker/MomentViewController.swift
index f46b2c6..c782912 100644
--- a/NohanaImagePicker/MomentViewController.swift
+++ b/NohanaImagePicker/MomentViewController.swift
@@ -53,8 +53,7 @@ class MomentViewController: AssetListViewController, ActivityIndicatable {
     // MARK: - UICollectionViewDelegate
     
     override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
-        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetCell", forIndexPath: indexPath) as? AssetCell,
-            nohanaImagePickerController = nohanaImagePickerController else {
+        guard let cell = collectionView.dequeueReusableCellWithReuseIdentifier("AssetCell", forIndexPath: indexPath) as? AssetCell else {
                 return UICollectionViewCell(frame: CGRectZero)
         }