diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-map-on-a-prototype.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-map-on-a-prototype.md
index 6ab6fc618ea..867d686d85b 100644
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-map-on-a-prototype.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-map-on-a-prototype.md
@@ -46,10 +46,6 @@ Array.prototype.myMap = function(callback) {
   // Only change code above this line
   return newArray;
 };
-
-// Test case
-const s = [23, 65, 98, 5];
-const doubled_s = s.myMap(item => item * 2);
 ```
 
 # --solutions--
diff --git a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-the-filter-method-on-a-prototype.md b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-the-filter-method-on-a-prototype.md
index 28c8c372815..3bff531c0f2 100644
--- a/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-the-filter-method-on-a-prototype.md
+++ b/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-the-filter-method-on-a-prototype.md
@@ -42,10 +42,6 @@ Array.prototype.myFilter = function(callback) {
   // Only change code above this line
   return newArray;
 };
-
-// Test case
-const s = [23, 65, 98, 5];
-const odd_s = s.myFilter(item => item % 2 === 1);
 ```
 
 # --solutions--