diff --git a/build/assets.js b/build/assets.js
index 0b57c46d80..11dc05bc09 100644
--- a/build/assets.js
+++ b/build/assets.js
@@ -6,6 +6,8 @@ const Table = require('cli-table');
 const path = require('path');
 const sh = require('shelljs');
 
+// find all js/css files in the dist dir
+// but ignore any files in lang, example, or font directories
 const filepaths = sh.find(path.join(__dirname, '..', 'dist', '**', '*.{js,css}')).filter(function(filepath) {
   if ((/\/(lang|example|font)\//).test(filepath)) {
     return false;
@@ -14,8 +16,9 @@ const filepaths = sh.find(path.join(__dirname, '..', 'dist', '**', '*.{js,css}')
   return true;
 });
 
+// map all files that we found into an array of
+// table entries the filepath, file size, and gzip size.
 Promise.all(filepaths.map(function(filepath) {
-  // gzip and stat
   return new Promise(function(resolve, reject) {
     const readStream = fs.createReadStream(filepath);
     const writeStream = fs.createWriteStream(filepath + '.gz');
@@ -25,36 +28,25 @@ Promise.all(filepaths.map(function(filepath) {
       const gzStat = fs.statSync(filepath + '.gz');
       const fileStat = fs.statSync(filepath);
 
-      resolve({filepath, gzStat, fileStat});
+      fs.unlinkSync(filepath + '.gz');
+
+      resolve([filepath.split('dist/')[1], filesize(fileStat.size), filesize(gzStat.size)]);
     })
       .on('error', reject);
   });
-})).then(function(results) {
-  return Promise.all(results.map(function(result) {
-    return new Promise(function(resolve, reject) {
-      const {fileStat, gzStat, filepath} = result;
+})).then(function(lines) {
+  // log all the files and there sizes using a cli table
+  const table = new Table({
+    head: ['filename', 'size', 'gzipped'],
+    colAligns: ['left', 'right', 'right'],
+    style: {
+      border: ['white']
+    }
+  });
 
-      resolve([filepath.split('dist/')[1], filesize(fileStat.size), filesize(gzStat.size)]);
-    });
-  }));
-})
-  .then(function(lines) {
-    const table = new Table({
-      head: ['filename', 'size', 'gzipped'],
-      colAligns: ['left', 'right', 'right'],
-      style: {
-        border: ['white']
-      }
-    });
-
-    table.push.apply(table, lines);
-    console.log(table.toString());
-
-    filepaths.forEach(function(filepath) {
-      fs.unlinkSync(filepath + '.gz');
-    });
+  table.push.apply(table, lines);
+  console.log(table.toString());
 
-  })
-  .catch(function(err) {
-    console.error(err.stack);
-  });
+}).catch(function(err) {
+  console.error(err.stack);
+});