diff --git a/content/posts/2020-05-15-gpio-webhook/index.md b/content/posts/2020-05-15-gpio-webhook/index.md
index c2e632d..ecf3859 100644
--- a/content/posts/2020-05-15-gpio-webhook/index.md
+++ b/content/posts/2020-05-15-gpio-webhook/index.md
@@ -1,7 +1,6 @@
 ---
 title: Remotely controlled blinkenlights with arduino
 date: 2020-05-15
-thumbnail: /thumbnails/blinkenlights.jpg
 tags:
   - arduino
   - electronics