diff --git a/curriculum/challenges/english/01-responsive-web-design/applied-visual-design/use-the-s-tag-to-strikethrough-text.md b/curriculum/challenges/english/01-responsive-web-design/applied-visual-design/use-the-s-tag-to-strikethrough-text.md
index 3f8e0378ea4..467c3c79250 100644
--- a/curriculum/challenges/english/01-responsive-web-design/applied-visual-design/use-the-s-tag-to-strikethrough-text.md
+++ b/curriculum/challenges/english/01-responsive-web-design/applied-visual-design/use-the-s-tag-to-strikethrough-text.md
@@ -2,7 +2,6 @@
 id: 587d781b367417b2b2512aba
 title: Use the s Tag to Strikethrough Text
 challengeType: 0
-videoUrl: ''
 forumTopicId: 301079
 dashedName: use-the-s-tag-to-strikethrough-text
 ---
diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-css/improve-compatibility-with-browser-fallbacks.md b/curriculum/challenges/english/01-responsive-web-design/basic-css/improve-compatibility-with-browser-fallbacks.md
index 214fac94d8a..c95407712b3 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-css/improve-compatibility-with-browser-fallbacks.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-css/improve-compatibility-with-browser-fallbacks.md
@@ -2,7 +2,6 @@
 id: 5b7d72c338cd7e35b63f3e14
 title: Improve Compatibility with Browser Fallbacks
 challengeType: 0
-videoUrl: ''
 forumTopicId: 301087
 dashedName: improve-compatibility-with-browser-fallbacks
 ---
diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/assigning-the-value-of-one-variable-to-another.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/assigning-the-value-of-one-variable-to-another.md
index ed896f479f2..719abbd8846 100644
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/assigning-the-value-of-one-variable-to-another.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/assigning-the-value-of-one-variable-to-another.md
@@ -2,7 +2,6 @@
 id: 5ee127a03c3b35dd45426493
 title: Assigning the Value of One Variable to Another
 challengeType: 1
-videoUrl: ''
 forumTopicId: 418265
 dashedName: assigning-the-value-of-one-variable-to-another
 ---