diff --git a/Notes-master/src/net/micode/notes/util/SpfUtil.java b/Notes-master/src/net/micode/notes/util/SpfUtil.java
deleted file mode 100644
index 153381e..0000000
--- a/Notes-master/src/net/micode/notes/util/SpfUtil.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package net.micode.notes.util;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-public class SpfUtil {
-
-    private static String SPF_NAME = "noteSpf";
-
-    public static void saveString(Context context, String key, String value) {
-        SharedPreferences spf = context.getSharedPreferences(SPF_NAME, Context.MODE_PRIVATE);
-        SharedPreferences.Editor edit = spf.edit();
-        edit.putString(key, value);
-        edit.apply();
-    }
-
-    public static String getString(Context context, String key) {
-        SharedPreferences spf = context.getSharedPreferences(SPF_NAME, Context.MODE_PRIVATE);
-        return spf.getString(key, "");
-    }
-
-    public static void saveInt(Context context, String key, int value) {
-        SharedPreferences spf = context.getSharedPreferences(SPF_NAME, Context.MODE_PRIVATE);
-        SharedPreferences.Editor edit = spf.edit();
-        edit.putInt(key, value);
-        edit.apply();
-    }
-
-    public static int getInt(Context context, String key) {
-        SharedPreferences spf = context.getSharedPreferences(SPF_NAME, Context.MODE_PRIVATE);
-        return spf.getInt(key, -1);
-    }
-
-    public static int getIntWithDefault(Context context, String key, int defValue) {
-        SharedPreferences spf = context.getSharedPreferences(SPF_NAME, Context.MODE_PRIVATE);
-        return spf.getInt(key, defValue);
-    }
-}
diff --git a/Notes-master/src/net/micode/notes/util/ToastUtil.java b/Notes-master/src/net/micode/notes/util/ToastUtil.java
deleted file mode 100644
index b1894f7..0000000
--- a/Notes-master/src/net/micode/notes/util/ToastUtil.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package net.micode.notes.util;
-
-import android.content.Context;
-import android.widget.Toast;
-
-public class ToastUtil {
-
-    public static void toastShort(Context context, String msg) {
-        Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
-    }
-
-    public static void toastLong(Context context, String msg) {
-        Toast.makeText(context, msg, Toast.LENGTH_LONG).show();
-    }
-}