diff --git a/build/lib/compute-destination-path.js b/build/lib/compute-destination-path.js
deleted file mode 100644
index d79b01198..000000000
--- a/build/lib/compute-destination-path.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Takes an absolute path, relativizes it based on the repository root, then
-// makes it absolute again in the output app path.
-
-'use strict'
-
-const path = require('path')
-const CONFIG = require('../config')
-
-module.exports =
-function computeDestinationPath (srcPath) {
-  let relativePath = path.relative(CONFIG.repositoryRootPath, srcPath)
-  return path.join(CONFIG.electronAppPath, relativePath)
-}
diff --git a/build/lib/copy-assets.js b/build/lib/copy-assets.js
index 79c401064..a62c52e74 100644
--- a/build/lib/copy-assets.js
+++ b/build/lib/copy-assets.js
@@ -5,7 +5,6 @@
 
 const path = require('path')
 const fs = require('fs-extra')
-const computeDestinationPath = require('./compute-destination-path')
 const CONFIG = require('../config')
 const glob = require('glob')
 
@@ -26,3 +25,8 @@ module.exports = function () {
     fs.copySync(srcPath, computeDestinationPath(srcPath))
   }
 }
+
+function computeDestinationPath (srcPath) {
+  let relativePath = path.relative(CONFIG.repositoryRootPath, srcPath)
+  return path.join(CONFIG.electronAppPath, relativePath)
+}