diff --git a/curriculum/challenges/_meta/lecture-working-with-numbers-booleans-and-the-math-object/meta.json b/curriculum/challenges/_meta/lecture-working-with-numbers-booleans-and-the-math-object/meta.json
index 849aa1758d6..96bd8e327b6 100644
--- a/curriculum/challenges/_meta/lecture-working-with-numbers-booleans-and-the-math-object/meta.json
+++ b/curriculum/challenges/_meta/lecture-working-with-numbers-booleans-and-the-math-object/meta.json
@@ -50,10 +50,6 @@
       "id": "673271fd11d063daf0cf8d20",
       "title": "What Are Conditional Statements, and How Do If/Else If/Else Statements Work?"
     },
-    {
-      "id": "67327205e292dbdb1ffa0c21",
-      "title": "What Are Truthy and Falsy Values?"
-    },
     {
       "id": "6732720e95f6a0db526a2e4d",
       "title": "What Are Binary Logical Operators, and How Do They Work?"
diff --git a/curriculum/challenges/english/25-front-end-development/lecture-working-with-numbers-booleans-and-the-math-object/67327205e292dbdb1ffa0c21.md b/curriculum/challenges/english/25-front-end-development/lecture-working-with-numbers-booleans-and-the-math-object/67327205e292dbdb1ffa0c21.md
deleted file mode 100644
index a1f05fa7e1d..00000000000
--- a/curriculum/challenges/english/25-front-end-development/lecture-working-with-numbers-booleans-and-the-math-object/67327205e292dbdb1ffa0c21.md
+++ /dev/null
@@ -1,121 +0,0 @@
----
-id: 67327205e292dbdb1ffa0c21
-title: What Are Truthy and Falsy Values?
-challengeType: 11
-videoId: nVAaxZ34khk
-dashedName: what-are-truthy-and-falsy-values
----
-
-# --description--
-
-Watch the lecture video and answer the questions below.
-
-# --questions--
-
-## --text--
-
-What controls how certain values behave in conditional statements in JavaScript?
-
-## --answers--
-
-Variable types.
-
-### --feedback--
-
-Think about what makes a value evaluate as `true` or `false`.
-
----
-
-Loops and functions.
-
-### --feedback--
-
-Think about what makes a value evaluate as `true` or `false`.
-
----
-
-Truthy and falsey values.
-
----
-
-Number and string comparisons.
-
-### --feedback--
-
-Think about what makes a value evaluate as `true` or `false`.
-
-## --video-solution--
-
-3
-
-## --text--
-
-What are falsey values?
-
-## --answers--
-
-Values that always return `true` in a Boolean context
-
-### --feedback--
-
-Think about values that result in `false` when used in conditions.
-
----
-
-Values that evaluate to `false` in a Boolean context, such as `0`, `null`, `undefined`, `false`, `NaN`, and `""`.
-
----
-
-Values that always return `undefined`.
-
-### --feedback--
-
-Think about values that result in `false` when used in conditions.
-
----
-
-Values that only work in arithmetic operations.
-
-### --feedback--
-
-Think about values that result in `false` when used in conditions.
-
-## --video-solution--
-
-2
-
-## --text--
-
-Which of these is not a falsey value in JavaScript?
-
-## --answers--
-
-Boolean `false`.
-
-### --feedback--
-
-Think about which value does not evaluate to `false`.
-
----
-
-`0` (zero).
-
-### --feedback--
-
-Think about which value does not evaluate to `false`.
-
----
-
-`" "` (a non-empty string).
-
----
-
-`NaN` (Not a Number).
-
-### --feedback--
-
-Think about which value does not evaluate to `false`.
-
-## --video-solution--
-
-3