diff --git a/eleventy.config.js b/eleventy.config.js
index 79c3a8c..7a3b40e 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -24,8 +24,6 @@ import markdownItDeflist from 'markdown-it-deflist';
 import markdownItFootnote from 'markdown-it-footnote';
 import markdownItImageFigures from 'markdown-it-image-figures';
 
-Image.concurrency = 4;
-
 const urlFormat = ({ src, width, format }) => {
   const baseUrl = `https://img.sebin-nyshkim.net/i`;
   const imgUuid = src.match(/\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})/);