diff --git a/config/jsdoc/info/publish.js b/config/jsdoc/info/publish.js
index 76c68e2574..9d9bb1cb4a 100644
--- a/config/jsdoc/info/publish.js
+++ b/config/jsdoc/info/publish.js
@@ -3,7 +3,6 @@
  * an api tag) and boolean defines (with a define tag and a default value).
  */
 var assert = require('assert');
-var fs = require('fs');
 var path = require('path');
 
 
@@ -89,7 +88,6 @@ exports.publish = function(data, opts) {
         types: getTypes(doc.type.names)
       });
     } else {
-      var types;
       var symbol = {
         name: doc.longname,
         kind: doc.kind,
@@ -169,13 +167,15 @@ exports.publish = function(data, opts) {
     return (symbol.name in augments || symbol.virtual);
   });
 
-  process.stdout.write(
-      JSON.stringify({
-        symbols: symbols,
-        defines: defines,
-        typedefs: typedefs,
-        externs: externs,
-        base: base
-      }, null, 2));
+  return new Promise(function(resolve, reject) {
+    process.stdout.write(
+        JSON.stringify({
+          symbols: symbols,
+          defines: defines,
+          typedefs: typedefs,
+          externs: externs,
+          base: base
+        }, null, 2));
+  });
 
 };