diff --git a/lib/box/index.js b/lib/box/index.js
index db98381779..8d29715c02 100644
--- a/lib/box/index.js
+++ b/lib/box/index.js
@@ -58,13 +58,10 @@ function getHash(path) {
 }
 
 Box.prototype._createFileClass = function() {
-  var Cache = this.Cache;
   var ctx = this.context;
 
   var _File = function(data) {
     File.call(this, data);
-
-    this._typeSolved = data.type === File.TYPE_DELETE;
   };
 
   require('util').inherits(_File, File);
@@ -77,48 +74,17 @@ Box.prototype._createFileClass = function() {
       options = {};
     }
 
-    var self = this;
-
-    return this.read().then(function(content) {
-      return ctx.render.render({
-        text: content,
-        path: self.source
-      }, options);
-    }).asCallback(callback);
+    return ctx.render.render({
+      path: this.source
+    }, options).asCallback(callback);
   };
 
   _File.prototype.renderSync = function(options) {
     return ctx.render.renderSync({
-      text: this.readSync(),
       path: this.source
     }, options);
   };
 
-  _File.prototype.changed = function(callback) {
-    if (this._typeSolved) {
-      return Promise.resolve(this.type !== File.TYPE_SKIP).asCallback(callback);
-    }
-
-    var self = this;
-
-    // TODO: Share file type between processors
-    return Cache.compareFile(
-      this.source.substring(ctx.base_dir.length),
-      function() {
-        return getHash(self.source);
-      },
-
-      function() {
-        return self.stat();
-      }
-    ).then(function(result) {
-      self.type = result.type;
-      self._typeSolved = true;
-
-      return result.type !== File.TYPE_SKIP;
-    }).asCallback(callback);
-  };
-
   return _File;
 };
 
@@ -137,17 +103,20 @@ Box.prototype.addProcessor = function(pattern, fn) {
   });
 };
 
-function readDir(base, fn, prefix) {
+Box.prototype._readDir = function(base, fn, prefix) {
   prefix = prefix || '';
 
+  var self = this;
+
   return fs.readdir(base).map(function(path) {
     return fs.stat(join(base, path)).then(function(stats) {
       if (stats.isDirectory()) {
-        return readDir(join(base, path), fn, prefix + path + '/');
+        return self._readDir(join(base, path), fn, prefix + path + '/');
       }
 
-      var relativePath = prefix + path;
-      return fn(relativePath).thenReturn(relativePath);
+      return self._checkFileStatus(prefix + path).then(function(file) {
+        return fn(file).thenReturn(file);
+      });
     });
   }).catch(function(err) {
     if (err.cause && err.cause.code === 'ENOENT') return;
@@ -155,7 +124,29 @@ function readDir(base, fn, prefix) {
   }).reduce(function(files, item) {
     return files.concat(item);
   }, []);
-}
+};
+
+Box.prototype._checkFileStatus = function(path) {
+  var Cache = this.Cache;
+  var src = join(this.base, path);
+  var ctx = this.context;
+
+  return Cache.compareFile(
+    src.substring(ctx.base_dir.length),
+    function() {
+      return getHash(src);
+    },
+
+    function() {
+      return fs.stat(src);
+    }
+  ).then(function(result) {
+    return {
+      type: result.type,
+      path: path
+    };
+  });
+};
 
 Box.prototype.process = function(callback) {
   var self = this;
@@ -175,10 +166,10 @@ Box.prototype.process = function(callback) {
     });
 
     // Read files from directory
-    return readDir(base, function(path) {
-      // If the files is not in the cache, means it's new
-      var type = ~cacheFiles.indexOf(path) ? File.TYPE_UPDATE : File.TYPE_CREATE;
-      return self._processFile(type, path);
+    return self._readDir(base, function(file) {
+      return self._processFile(file.type, file.path);
+    }).map(function(file) {
+      return file.path;
     }).then(function(files) {
       // Handle deleted files
       return Promise.filter(cacheFiles, function(path) {
@@ -273,8 +264,8 @@ Box.prototype.watch = function(callback) {
       var prefix = getPath(path);
       if (prefix) prefix += '/';
 
-      readDir(path, function(path) {
-        return self._processFile(File.TYPE_CREATE, path);
+      self._readDir(path, function(file) {
+        return self._processFile(file.type, file.path);
       }, prefix);
     });
   }).asCallback(callback);
diff --git a/lib/plugins/processor/asset.js b/lib/plugins/processor/asset.js
index bf49e6ee47..20a3a2c03e 100644
--- a/lib/plugins/processor/asset.js
+++ b/lib/plugins/processor/asset.js
@@ -15,6 +15,10 @@ module.exports = function(ctx) {
     var config = ctx.config;
     var timezone = config.timezone;
 
+    if (file.type === 'skip' && doc) {
+      return;
+    }
+
     if (file.type === 'delete') {
       if (doc) {
         return doc.remove();
@@ -23,65 +27,61 @@ module.exports = function(ctx) {
       return;
     }
 
-    return file.changed().then(function(changed) {
-      if (!changed && doc) return;
-
-      return Promise.all([
-        file.stat(),
-        file.read()
-      ]).spread(function(stats, content) {
-        var data = yfm(content);
-        var output = ctx.render.getOutput(path);
+    return Promise.all([
+      file.stat(),
+      file.read()
+    ]).spread(function(stats, content) {
+      var data = yfm(content);
+      var output = ctx.render.getOutput(path);
 
-        data.source = path;
-        data.raw = content;
+      data.source = path;
+      data.raw = content;
 
-        data.date = common.toDate(data.date);
+      data.date = common.toDate(data.date);
 
-        if (data.date) {
-          if (timezone) data.date = common.timezone(data.date, timezone);
-        } else {
-          data.date = stats.ctime;
-        }
-
-        data.updated = common.toDate(data.updated);
+      if (data.date) {
+        if (timezone) data.date = common.timezone(data.date, timezone);
+      } else {
+        data.date = stats.ctime;
+      }
 
-        if (data.updated) {
-          if (timezone) data.updated = common.timezone(data.updated, timezone);
-        } else {
-          data.updated = stats.mtime;
-        }
+      data.updated = common.toDate(data.updated);
 
-        if (data.permalink) {
-          data.path = data.permalink;
-          delete data.permalink;
+      if (data.updated) {
+        if (timezone) data.updated = common.timezone(data.updated, timezone);
+      } else {
+        data.updated = stats.mtime;
+      }
 
-          if (data.path[data.path.length - 1] === '/') {
-            data.path += 'index';
-          }
+      if (data.permalink) {
+        data.path = data.permalink;
+        delete data.permalink;
 
-          if (!pathFn.extname(data.path)) {
-            data.path += '.' + output;
-          }
-        } else {
-          var extname = pathFn.extname(path);
-          data.path = path.substring(0, path.length - extname.length) + '.' + output;
+        if (data.path[data.path.length - 1] === '/') {
+          data.path += 'index';
         }
 
-        if (!data.layout && output !== 'html' && output !== 'htm') {
-          data.layout = false;
+        if (!pathFn.extname(data.path)) {
+          data.path += '.' + output;
         }
+      } else {
+        var extname = pathFn.extname(path);
+        data.path = path.substring(0, path.length - extname.length) + '.' + output;
+      }
 
-        // FIXME: Data may be inserted when reading files. Load it again to prevent
-        // race condition. We have to solve this in warehouse.
-        var doc = Page.findOne({source: path});
+      if (!data.layout && output !== 'html' && output !== 'htm') {
+        data.layout = false;
+      }
 
-        if (doc) {
-          return doc.replace(data);
-        }
+      // FIXME: Data may be inserted when reading files. Load it again to prevent
+      // race condition. We have to solve this in warehouse.
+      var doc = Page.findOne({source: path});
+
+      if (doc) {
+        return doc.replace(data);
+      }
 
-        return Page.insert(data);
-      });
+      return Page.insert(data);
     });
   }
 
@@ -98,13 +98,11 @@ module.exports = function(ctx) {
       return;
     }
 
-    return file.changed().then(function(changed) {
-      return Asset.save({
-        _id: id,
-        path: file.path,
-        modified: changed,
-        renderable: file.params.renderable
-      });
+    return Asset.save({
+      _id: id,
+      path: file.path,
+      modified: file.type !== 'skip',
+      renderable: file.params.renderable
     });
   }
 
diff --git a/lib/plugins/processor/data.js b/lib/plugins/processor/data.js
index f1ff3f0214..1f5cd3bbff 100644
--- a/lib/plugins/processor/data.js
+++ b/lib/plugins/processor/data.js
@@ -14,6 +14,10 @@ module.exports = function(ctx) {
       var id = path.substring(0, path.length - extname.length);
       var doc = Data.findById(id);
 
+      if (file.type === 'skip' && doc) {
+        return;
+      }
+
       if (file.type === 'delete') {
         if (doc) {
           return doc.remove();
@@ -22,11 +26,7 @@ module.exports = function(ctx) {
         return;
       }
 
-      return file.changed().then(function(changed) {
-        if (!changed && doc) return;
-
-        return file.render();
-      }).then(function(result) {
+      return file.render().then(function(result) {
         if (result == null) return;
 
         return Data.save({
diff --git a/lib/plugins/processor/post.js b/lib/plugins/processor/post.js
index f668822a6e..399ed1a7de 100644
--- a/lib/plugins/processor/post.js
+++ b/lib/plugins/processor/post.js
@@ -33,6 +33,10 @@ module.exports = function(ctx) {
     var timezone = config.timezone;
     var categories, tags;
 
+    if (file.type === 'skip' && doc) {
+      return;
+    }
+
     if (file.type === 'delete') {
       if (doc) {
         return doc.remove();
@@ -41,107 +45,103 @@ module.exports = function(ctx) {
       return;
     }
 
-    return file.changed().then(function(changed) {
-      if (!changed && doc) return;
+    return Promise.all([
+      file.stat(),
+      file.read()
+    ]).spread(function(stats, content) {
+      var data = yfm(content);
+      var info = parseFilename(config.new_post_name, path);
+      var keys = Object.keys(info);
+      var key;
+
+      data.source = file.path;
+      data.raw = content;
+      data.slug = info.title;
+
+      if (file.params.published) {
+        if (!data.hasOwnProperty('published')) data.published = true;
+      } else {
+        data.published = false;
+      }
+
+      for (var i = 0, len = keys.length; i < len; i++) {
+        key = keys[i];
+        if (!preservedKeys[key]) data[key] = info[key];
+      }
+
+      if (data.date) {
+        data.date = common.toDate(data.date);
+      } else if (info && info.year && (info.month || info.i_month) && (info.day || info.i_day)) {
+        data.date = new Date(
+          info.year,
+          parseInt(info.month || info.i_month, 10) - 1,
+          parseInt(info.day || info.i_day, 10)
+        );
+      }
+
+      if (data.date) {
+        if (timezone) data.date = common.timezone(data.date, timezone);
+      } else {
+        data.date = stats.birthtime;
+      }
+
+      data.updated = common.toDate(data.updated);
+
+      if (data.updated) {
+        if (timezone) data.updated = common.timezone(data.updated, timezone);
+      } else {
+        data.updated = stats.mtime;
+      }
+
+      if (data.category && !data.categories) {
+        data.categories = data.category;
+        delete data.category;
+      }
+
+      if (data.tag && !data.tags) {
+        data.tags = data.tag;
+        delete data.tag;
+      }
+
+      categories = data.categories || [];
+      tags = data.tags || [];
+
+      if (!Array.isArray(categories)) categories = [categories];
+      if (!Array.isArray(tags)) tags = [tags];
 
+      if (data.photo && !data.photos) {
+        data.photos = data.photo;
+        delete data.photo;
+      }
+
+      if (data.photos && !Array.isArray(data.photos)) {
+        data.photos = [data.photos];
+      }
+
+      if (data.link && !data.title) {
+        data.title = data.link.replace(/^https?:\/\/|\/$/g, '');
+      }
+
+      if (data.permalink) {
+        data.slug = data.permalink;
+        delete data.permalink;
+      }
+
+      // FIXME: Data may be inserted when reading files. Load it again to prevent
+      // race condition. We have to solve this in warehouse.
+      var doc = Post.findOne({source: file.path});
+
+      if (doc) {
+        return doc.replace(data);
+      }
+
+      return Post.insert(data);
+    }).then(function(doc) {
       return Promise.all([
-        file.stat(),
-        file.read()
-      ]).spread(function(stats, content) {
-        var data = yfm(content);
-        var info = parseFilename(config.new_post_name, path);
-        var keys = Object.keys(info);
-        var key;
-
-        data.source = file.path;
-        data.raw = content;
-        data.slug = info.title;
-
-        if (file.params.published) {
-          if (!data.hasOwnProperty('published')) data.published = true;
-        } else {
-          data.published = false;
-        }
-
-        for (var i = 0, len = keys.length; i < len; i++) {
-          key = keys[i];
-          if (!preservedKeys[key]) data[key] = info[key];
-        }
-
-        if (data.date) {
-          data.date = common.toDate(data.date);
-        } else if (info && info.year && (info.month || info.i_month) && (info.day || info.i_day)) {
-          data.date = new Date(
-            info.year,
-            parseInt(info.month || info.i_month, 10) - 1,
-            parseInt(info.day || info.i_day, 10)
-          );
-        }
-
-        if (data.date) {
-          if (timezone) data.date = common.timezone(data.date, timezone);
-        } else {
-          data.date = stats.birthtime;
-        }
-
-        data.updated = common.toDate(data.updated);
-
-        if (data.updated) {
-          if (timezone) data.updated = common.timezone(data.updated, timezone);
-        } else {
-          data.updated = stats.mtime;
-        }
-
-        if (data.category && !data.categories) {
-          data.categories = data.category;
-          delete data.category;
-        }
-
-        if (data.tag && !data.tags) {
-          data.tags = data.tag;
-          delete data.tag;
-        }
-
-        categories = data.categories || [];
-        tags = data.tags || [];
-
-        if (!Array.isArray(categories)) categories = [categories];
-        if (!Array.isArray(tags)) tags = [tags];
-
-        if (data.photo && !data.photos) {
-          data.photos = data.photo;
-          delete data.photo;
-        }
-
-        if (data.photos && !Array.isArray(data.photos)) {
-          data.photos = [data.photos];
-        }
-
-        if (data.link && !data.title) {
-          data.title = data.link.replace(/^https?:\/\/|\/$/g, '');
-        }
-
-        if (data.permalink) {
-          data.slug = data.permalink;
-          delete data.permalink;
-        }
-
-        // FIXME: Data may be inserted when reading files. Load it again to prevent
-        // race condition. We have to solve this in warehouse.
-        var doc = Post.findOne({source: file.path});
-
-        if (doc) {
-          return doc.replace(data);
-        }
-
-        return Post.insert(data);
-      }).then(function(doc) {
-        return Promise.all([
-          doc.setCategories(categories),
-          doc.setTags(tags),
-          scanAssetDir(doc)
-        ]);
-      });
+        doc.setCategories(categories),
+        doc.setTags(tags),
+        scanAssetDir(doc)
+      ]);
     });
   }
 
@@ -190,29 +190,27 @@ module.exports = function(ctx) {
       return;
     }
 
-    return file.changed().then(function(changed) {
-      // TODO: Better post searching
-      var posts = Post.toArray();
-      var post;
-
-      for (var i = 0, len = posts.length; i < len; i++) {
-        post = posts[i];
-
-        if (_.startsWith(file.source, post.asset_dir)) {
-          return PostAsset.save({
-            _id: id,
-            slug: file.source.substring(post.asset_dir.length),
-            post: post._id,
-            modified: changed,
-            renderable: file.params.renderable
-          });
-        }
+    // TODO: Better post searching
+    var posts = Post.toArray();
+    var post;
+
+    for (var i = 0, len = posts.length; i < len; i++) {
+      post = posts[i];
+
+      if (_.startsWith(file.source, post.asset_dir)) {
+        return PostAsset.save({
+          _id: id,
+          slug: file.source.substring(post.asset_dir.length),
+          post: post._id,
+          modified: file.type !== 'skip',
+          renderable: file.params.renderable
+        });
       }
+    }
 
-      if (doc) {
-        return doc.remove();
-      }
-    });
+    if (doc) {
+      return doc.remove();
+    }
   }
 
   return {
diff --git a/lib/theme/processors/source.js b/lib/theme/processors/source.js
index fe463b7ad2..5024e94ca2 100644
--- a/lib/theme/processors/source.js
+++ b/lib/theme/processors/source.js
@@ -18,12 +18,10 @@ exports.process = function(file) {
     return;
   }
 
-  return file.changed().then(function(changed) {
-    return Asset.save({
-      _id: id,
-      path: path,
-      modified: changed
-    });
+  return Asset.save({
+    _id: id,
+    path: path,
+    modified: file.type !== 'skip'
   });
 };
 
diff --git a/test/scripts/box/box.js b/test/scripts/box/box.js
index 38c75059c6..263ec07dcc 100644
--- a/test/scripts/box/box.js
+++ b/test/scripts/box/box.js
@@ -127,43 +127,99 @@ describe('Box', function() {
 
   it('process() - create', function() {
     var box = newBox('test');
-    var path = pathFn.join(box.base, 'a.txt');
-
-    var processor = sinon.spy(function(file) {
-      file.type.should.eql('create');
-    });
+    var name = 'a.txt';
+    var path = pathFn.join(box.base, name);
 
+    var processor = sinon.spy();
     box.addProcessor(processor);
 
     return fs.writeFile(path, 'a').then(function() {
       return box.process();
     }).then(function() {
-      processor.calledOnce.should.be.true;
+      var file = processor.args[0][0];
+      file.type.should.eql('create');
+      file.path.should.eql(name);
     }).finally(function() {
       return fs.rmdir(box.base);
     });
   });
 
-  it('process() - update', function() {
+  it('process() - mtime changed', function() {
     var box = newBox('test');
-    var path = pathFn.join(box.base, 'a.txt');
-    var cacheId = 'test/a.txt';
-
-    var processor = sinon.spy(function(file) {
-      file.type.should.eql('update');
-    });
+    var name = 'a.txt';
+    var path = pathFn.join(box.base, name);
+    var cacheId = 'test/' + name;
 
+    var processor = sinon.spy();
     box.addProcessor(processor);
 
     return Promise.all([
       fs.writeFile(path, 'a'),
       box.Cache.insert({
-        _id: cacheId
+        _id: cacheId,
+        modified: 0
       })
     ]).then(function() {
       return box.process();
     }).then(function() {
-      processor.calledOnce.should.be.true;
+      var file = processor.args[0][0];
+      file.type.should.eql('update');
+      file.path.should.eql(name);
+    }).finally(function() {
+      return fs.rmdir(box.base);
+    });
+  });
+
+  it('process() - hash changed', function() {
+    var box = newBox('test');
+    var name = 'a.txt';
+    var path = pathFn.join(box.base, name);
+    var cacheId = 'test/' + name;
+
+    var processor = sinon.spy();
+    box.addProcessor(processor);
+
+    return fs.writeFile(path, 'a').then(function() {
+      return fs.stat(path);
+    }).then(function(stats) {
+      return box.Cache.insert({
+        _id: cacheId,
+        modified: stats.mtime
+      });
+    }).then(function() {
+      return box.process();
+    }).then(function() {
+      var file = processor.args[0][0];
+      file.type.should.eql('update');
+      file.path.should.eql(name);
+    }).finally(function() {
+      return fs.rmdir(box.base);
+    });
+  });
+
+  it('process() - skip', function() {
+    var box = newBox('test');
+    var name = 'a.txt';
+    var path = pathFn.join(box.base, name);
+    var cacheId = 'test/' + name;
+
+    var processor = sinon.spy();
+    box.addProcessor(processor);
+
+    return fs.writeFile(path, 'a').then(function() {
+      return fs.stat(path);
+    }).then(function(stats) {
+      return box.Cache.insert({
+        _id: cacheId,
+        modified: stats.mtime,
+        hash: util.hash('a').toString('hex')
+      });
+    }).then(function() {
+      return box.process();
+    }).then(function() {
+      var file = processor.args[0][0];
+      file.type.should.eql('skip');
+      file.path.should.eql(name);
     }).finally(function() {
       return fs.rmdir(box.base);
     });
diff --git a/test/scripts/box/file.js b/test/scripts/box/file.js
index 8d14b0f6ba..101ed41fdf 100644
--- a/test/scripts/box/file.js
+++ b/test/scripts/box/file.js
@@ -6,7 +6,6 @@ var Promise = require('bluebird');
 var fs = require('hexo-fs');
 var yaml = require('js-yaml');
 var _ = require('lodash');
-var util = require('hexo-util');
 
 describe('File', function() {
   var Hexo = require('../../../lib/hexo');
@@ -14,7 +13,6 @@ describe('File', function() {
   var Box = require('../../../lib/box');
   var box = new Box(hexo, pathFn.join(hexo.base_dir, 'file_test'));
   var File = box.File;
-  var Cache = box.Cache;
 
   var body = [
     'name:',
@@ -30,8 +28,6 @@ describe('File', function() {
 
   var obj = yaml.load(body);
   var path = 'test.yml';
-  var hash = util.hash(body).toString('hex');
-  var stats;
 
   function makeFile(path, props) {
     return new File(_.assign({
@@ -40,14 +36,6 @@ describe('File', function() {
     }, props));
   }
 
-  function getCacheId(path) {
-    return pathFn.join('file_test', path);
-  }
-
-  function removeCache(path) {
-    return Cache.removeById(getCacheId(path));
-  }
-
   var file = makeFile(path, {
     source: pathFn.join(box.base, path),
     path: path,
@@ -61,8 +49,6 @@ describe('File', function() {
       hexo.init()
     ]).then(function() {
       return fs.stat(file.source);
-    }).then(function(stats_) {
-      stats = stats_;
     });
   });
 
@@ -124,106 +110,4 @@ describe('File', function() {
   it('renderSync()', function() {
     file.renderSync().should.eql(obj);
   });
-
-  it('changed() - create', function() {
-    var file = makeFile(path, {
-      type: 'create'
-    });
-
-    return file.changed().then(function(changed) {
-      changed.should.be.true;
-      return removeCache(path);
-    });
-  });
-
-  it('changed() - mtime changed', function() {
-    var file = makeFile(path, {
-      type: 'update'
-    });
-
-    return Cache.insert({
-      _id: getCacheId(path),
-      modified: 0
-    }).then(function() {
-      return file.changed();
-    }).then(function(changed) {
-      var cache = Cache.findById(getCacheId(path));
-
-      changed.should.be.true;
-      cache.modified.should.eql(stats.mtime.getTime());
-      cache.hash.should.eql(hash);
-
-      return removeCache(path);
-    });
-  });
-
-  it('changed() - hash changed', function() {
-    var file = makeFile(path, {
-      type: 'update'
-    });
-
-    return Cache.insert({
-      _id: getCacheId(path),
-      modified: stats.mtime,
-      hash: 'ewrowerjoweijr'
-    }).then(function() {
-      return file.changed();
-    }).then(function(changed) {
-      var cache = Cache.findById(getCacheId(path));
-
-      changed.should.be.true;
-      cache.modified.should.eql(stats.mtime.getTime());
-      cache.hash.should.eql(hash);
-
-      return removeCache(path);
-    });
-  });
-
-  it('changed() - skip', function() {
-    var file = makeFile(path, {
-      type: 'update'
-    });
-
-    return Cache.insert({
-      _id: getCacheId(path),
-      modified: stats.mtime,
-      hash: hash
-    }).then(function() {
-      return file.changed();
-    }).then(function(changed) {
-      changed.should.be.false;
-      return removeCache(path);
-    });
-  });
-
-  it('changed() - skip solved', function() {
-    var file = makeFile(path, {
-      type: 'skip'
-    });
-
-    file._typeSolved = true;
-
-    return file.changed().should.eventually.be.false;
-  });
-
-  it('changed() - delete', function() {
-    var file = makeFile(path, {
-      type: 'delete'
-    });
-
-    return file.changed().should.eventually.be.true;
-  });
-
-  it('changed() - callback', function(callback) {
-    var file = makeFile(path, {
-      type: 'create'
-    });
-
-    file.changed(function(err, changed) {
-      if (err) return callback(err);
-
-      changed.should.be.true;
-      removeCache(path).asCallback(callback);
-    });
-  });
 });
diff --git a/test/scripts/processors/asset.js b/test/scripts/processors/asset.js
index d25149292f..5cd0d716cc 100644
--- a/test/scripts/processors/asset.js
+++ b/test/scripts/processors/asset.js
@@ -127,50 +127,13 @@ describe('asset', function() {
     });
   });
 
-  it('asset - changed', function() {
+  it('asset - type: skip', function() {
     var file = newFile({
       path: 'foo.jpg',
-      type: 'update',
+      type: 'skip',
       renderable: false
     });
 
-    file.changed = function() {
-      return Promise.resolve(true);
-    };
-
-    var id = 'source/' + file.path;
-
-    return Promise.all([
-      fs.writeFile(file.source, 'test'),
-      Asset.insert({
-        _id: id,
-        path: file.path,
-        modified: false
-      })
-    ]).then(function() {
-      return process(file);
-    }).then(function() {
-      var asset = Asset.findById(id);
-      asset.modified.should.be.true;
-    }).finally(function() {
-      return Promise.all([
-        Asset.removeById(id),
-        fs.unlink(file.source)
-      ]);
-    });
-  });
-
-  it('asset - unchanged', function() {
-    var file = newFile({
-      path: 'foo.jpg',
-      type: 'update',
-      renderable: false
-    });
-
-    file.changed = function() {
-      return Promise.resolve(false);
-    };
-
     var id = 'source/' + file.path;
 
     return Promise.all([
diff --git a/test/scripts/processors/data.js b/test/scripts/processors/data.js
index e880dc5afc..724e7370fa 100644
--- a/test/scripts/processors/data.js
+++ b/test/scripts/processors/data.js
@@ -115,10 +115,6 @@ describe('data', function() {
       type: 'update'
     });
 
-    file.changed = function() {
-      return Promise.resolve(true);
-    };
-
     return Promise.all([
       fs.writeFile(file.source, body),
       Data.insert({
diff --git a/test/scripts/processors/post.js b/test/scripts/processors/post.js
index 0a51b3873b..7d7407b456 100644
--- a/test/scripts/processors/post.js
+++ b/test/scripts/processors/post.js
@@ -158,10 +158,6 @@ describe('post', function() {
       renderable: false
     });
 
-    file.changed = function() {
-      return Promise.resolve(true);
-    };
-
     var id = 'source/' + file.path;
     var postId;
 
@@ -195,20 +191,16 @@ describe('post', function() {
     });
   });
 
-  it('asset - unchanged', function() {
+  it('asset - type: skip', function() {
     hexo.config.post_asset_folder = true;
 
     var file = newFile({
       path: 'foo/bar.jpg',
       published: true,
-      type: 'update',
+      type: 'skip',
       renderable: false
     });
 
-    file.changed = function() {
-      return Promise.resolve(false);
-    };
-
     var id = 'source/' + file.path;
     var postId;
 
diff --git a/test/scripts/tags/code.js b/test/scripts/tags/code.js
index e5bf8233a8..5abce69b7b 100644
--- a/test/scripts/tags/code.js
+++ b/test/scripts/tags/code.js
@@ -126,7 +126,6 @@ describe('code', function() {
       '});'
     ].join('\n');
     var result = code('mark:1,7-8,10', source);
-    console.log(result);
     result.should.eql(highlight(source, {
       mark: [1, 7, 8, 10]
     }));
diff --git a/test/scripts/theme_processors/source.js b/test/scripts/theme_processors/source.js
index 5924a61733..06421014f3 100644
--- a/test/scripts/theme_processors/source.js
+++ b/test/scripts/theme_processors/source.js
@@ -79,10 +79,6 @@ describe('source', function() {
       type: 'update'
     });
 
-    file.changed = function() {
-      return Promise.resolve(true);
-    };
-
     var id = 'themes/test/' + file.path;
 
     return Promise.all([
@@ -106,16 +102,12 @@ describe('source', function() {
     });
   });
 
-  it('unchanged', function() {
+  it('type: skip', function() {
     var file = newFile({
       path: 'style.css',
-      type: 'update'
+      type: 'skip'
     });
 
-    file.changed = function() {
-      return Promise.resolve(false);
-    };
-
     var id = 'themes/test/' + file.path;
 
     return Promise.all([