diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.es.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.es.md
index 3c8e4e028..5f7f74bbf 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.es.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/electromagnetism/n4/textbook.es.md
@@ -4,8 +4,6 @@ published: true
 routable: true
 visible: false
 lessons:
-    - slug: brainstorming-123-electromagnetism
-      order: 4
     - slug: brainstorming-234-electromagnetism
       order: 3
 ---