diff --git a/client/src/redux/prop-types.ts b/client/src/redux/prop-types.ts
index bd51e5ecc3e..50b3e5d527c 100644
--- a/client/src/redux/prop-types.ts
+++ b/client/src/redux/prop-types.ts
@@ -224,7 +224,6 @@ export type ChallengeNode = {
     tail: string[];
     template: string;
     tests: Test[];
-    time: string;
     title: string;
     translationPending: boolean;
     url: string;
diff --git a/client/src/templates/Introduction/components/block.test.tsx b/client/src/templates/Introduction/components/block.test.tsx
index 21faa38db1d..b2ccf3f1615 100644
--- a/client/src/templates/Introduction/components/block.test.tsx
+++ b/client/src/templates/Introduction/components/block.test.tsx
@@ -70,7 +70,6 @@ const defaultProps = {
         tail: ['mockTail'],
         template: 'mockTemplate',
         tests: [] as Test[],
-        time: 'mockTime',
         title: 'mockTitle',
         translationPending: false,
         url: 'https://mockurl.com',
diff --git a/curriculum/challenges/_meta/advanced-node-and-express/meta.json b/curriculum/challenges/_meta/advanced-node-and-express/meta.json
index 6e0a52e3c33..d5c04ce2674 100644
--- a/curriculum/challenges/_meta/advanced-node-and-express/meta.json
+++ b/curriculum/challenges/_meta/advanced-node-and-express/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "advanced-node-and-express",
   "helpCategory": "JavaScript",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "quality-assurance",
   "challengeOrder": [
     {
@@ -96,4 +95,4 @@
       "title": "Send and Display Chat Messages"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/curriculum/challenges/_meta/applied-accessibility/meta.json b/curriculum/challenges/_meta/applied-accessibility/meta.json
index dfcadf55381..58e9c0e62ba 100644
--- a/curriculum/challenges/_meta/applied-accessibility/meta.json
+++ b/curriculum/challenges/_meta/applied-accessibility/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "applied-accessibility",
   "helpCategory": "HTML-CSS",
   "order": 3,
-  "time": "5 hours",
   "superBlock": "responsive-web-design",
   "challengeOrder": [
     {
@@ -96,4 +95,4 @@
       "title": "Use tabindex to Specify the Order of Keyboard Focus for Several Elements"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/curriculum/challenges/_meta/applied-visual-design/meta.json b/curriculum/challenges/_meta/applied-visual-design/meta.json
index 60a8877b211..5a85cd3f43f 100644
--- a/curriculum/challenges/_meta/applied-visual-design/meta.json
+++ b/curriculum/challenges/_meta/applied-visual-design/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "applied-visual-design",
   "helpCategory": "HTML-CSS",
   "order": 2,
-  "time": "5 hours",
   "superBlock": "responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/back-end-development-and-apis-projects/meta.json b/curriculum/challenges/_meta/back-end-development-and-apis-projects/meta.json
index bcb12f0dd85..2524330530b 100644
--- a/curriculum/challenges/_meta/back-end-development-and-apis-projects/meta.json
+++ b/curriculum/challenges/_meta/back-end-development-and-apis-projects/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "back-end-development-and-apis-projects",
   "helpCategory": "JavaScript",
   "order": 3,
-  "time": "150 hours",
   "superBlock": "back-end-development-and-apis",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-algorithm-scripting/meta.json b/curriculum/challenges/_meta/basic-algorithm-scripting/meta.json
index 18e560c9375..89a42820cac 100644
--- a/curriculum/challenges/_meta/basic-algorithm-scripting/meta.json
+++ b/curriculum/challenges/_meta/basic-algorithm-scripting/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-algorithm-scripting",
   "helpCategory": "JavaScript",
   "order": 5,
-  "time": "50 hours",
   "superBlock": "javascript-algorithms-and-data-structures",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-css/meta.json b/curriculum/challenges/_meta/basic-css/meta.json
index c854492674d..fa02b227c15 100644
--- a/curriculum/challenges/_meta/basic-css/meta.json
+++ b/curriculum/challenges/_meta/basic-css/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-css",
   "helpCategory": "HTML-CSS",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-data-structures/meta.json b/curriculum/challenges/_meta/basic-data-structures/meta.json
index dda1b22561a..898767a3559 100644
--- a/curriculum/challenges/_meta/basic-data-structures/meta.json
+++ b/curriculum/challenges/_meta/basic-data-structures/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-data-structures",
   "helpCategory": "JavaScript",
   "order": 4,
-  "time": "1 hour",
   "superBlock": "javascript-algorithms-and-data-structures",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-html-and-html5/meta.json b/curriculum/challenges/_meta/basic-html-and-html5/meta.json
index a486c0e48ad..0d97c77f1cb 100644
--- a/curriculum/challenges/_meta/basic-html-and-html5/meta.json
+++ b/curriculum/challenges/_meta/basic-html-and-html5/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-html-and-html5",
   "helpCategory": "HTML-CSS",
   "order": 0,
-  "time": "5 hours",
   "superBlock": "responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-javascript/meta.json b/curriculum/challenges/_meta/basic-javascript/meta.json
index 4b53fdcee43..93fa52b3824 100644
--- a/curriculum/challenges/_meta/basic-javascript/meta.json
+++ b/curriculum/challenges/_meta/basic-javascript/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-javascript",
   "helpCategory": "JavaScript",
   "order": 0,
-  "time": "10 hours",
   "superBlock": "javascript-algorithms-and-data-structures",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/basic-node-and-express/meta.json b/curriculum/challenges/_meta/basic-node-and-express/meta.json
index 4f19fcf8441..83c95812aa1 100644
--- a/curriculum/challenges/_meta/basic-node-and-express/meta.json
+++ b/curriculum/challenges/_meta/basic-node-and-express/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "basic-node-and-express",
   "helpCategory": "JavaScript",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "back-end-development-and-apis",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/bootstrap/meta.json b/curriculum/challenges/_meta/bootstrap/meta.json
index d38d484dddb..af434dd0f32 100644
--- a/curriculum/challenges/_meta/bootstrap/meta.json
+++ b/curriculum/challenges/_meta/bootstrap/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "bootstrap",
   "helpCategory": "HTML-CSS",
   "order": 0,
-  "time": "5 hours",
   "required": [
     {
       "link": "https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.css"
diff --git a/curriculum/challenges/_meta/build-a-budget-app-project/meta.json b/curriculum/challenges/_meta/build-a-budget-app-project/meta.json
index a3d11421c83..1e694858ca8 100644
--- a/curriculum/challenges/_meta/build-a-budget-app-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-budget-app-project/meta.json
@@ -4,7 +4,6 @@
   "usesMultifileEditor": true,  
   "dashedName": "build-a-budget-app-project",
   "order": 13,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-cash-register-project/meta.json b/curriculum/challenges/_meta/build-a-cash-register-project/meta.json
index d1da82b393e..d47aec84a54 100644
--- a/curriculum/challenges/_meta/build-a-cash-register-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-cash-register-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "JavaScript",
   "order": 21,
-  "time": "30 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-celestial-bodies-database-project/meta.json b/curriculum/challenges/_meta/build-a-celestial-bodies-database-project/meta.json
index 44f1a43e2f5..840c5ced35d 100644
--- a/curriculum/challenges/_meta/build-a-celestial-bodies-database-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-celestial-bodies-database-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-celestial-bodies-database-project",
   "order": 2,
   "helpCategory": "Backend Development",
-  "time": "30 hours",
   "superBlock": "relational-database",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-data-graph-explorer-project/meta.json b/curriculum/challenges/_meta/build-a-data-graph-explorer-project/meta.json
index 1dd78e2d67e..648c0e81d6c 100644
--- a/curriculum/challenges/_meta/build-a-data-graph-explorer-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-data-graph-explorer-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-data-graph-explorer-project",
   "order": 19,
   "helpCategory": "Python",
-  "time": "30 hours",
   "superBlock": "college-algebra-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-financial-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-financial-calculator-project/meta.json
index b5498d46bc2..bacf53aa2c5 100644
--- a/curriculum/challenges/_meta/build-a-financial-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-financial-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-financial-calculator-project",
   "order": 17,
   "helpCategory": "Python",
-  "time": "30 hours",
   "superBlock": "college-algebra-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-graphing-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-graphing-calculator-project/meta.json
index 47c427163bd..284b9ae6509 100644
--- a/curriculum/challenges/_meta/build-a-graphing-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-graphing-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-graphing-calculator-project",
   "order": 11,
   "helpCategory": "Python",
-  "time": "30 hours",
   "superBlock": "college-algebra-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-multi-function-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-multi-function-calculator-project/meta.json
index b50d3ebd147..d1ce54f0512 100644
--- a/curriculum/challenges/_meta/build-a-multi-function-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-multi-function-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-multi-function-calculator-project",
   "order": 6,
   "helpCategory": "Python",
-  "time": "30 hours",
   "superBlock": "college-algebra-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-number-guessing-game-project/meta.json b/curriculum/challenges/_meta/build-a-number-guessing-game-project/meta.json
index 3facf3ed656..faeb9b1d129 100644
--- a/curriculum/challenges/_meta/build-a-number-guessing-game-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-number-guessing-game-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-number-guessing-game-project",
   "order": 13,
   "helpCategory": "Backend Development",
-  "time": "30 hours",
   "superBlock": "relational-database",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-palindrome-checker-project/meta.json b/curriculum/challenges/_meta/build-a-palindrome-checker-project/meta.json
index 58cd7eec0da..79ef43440c9 100644
--- a/curriculum/challenges/_meta/build-a-palindrome-checker-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-palindrome-checker-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "JavaScript",
   "order": 8,
-  "time": "30 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-periodic-table-database-project/meta.json b/curriculum/challenges/_meta/build-a-periodic-table-database-project/meta.json
index bc70ccaf82e..5ff358a47ce 100644
--- a/curriculum/challenges/_meta/build-a-periodic-table-database-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-periodic-table-database-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-periodic-table-database-project",
   "order": 12,
   "helpCategory": "Backend Development",
-  "time": "30 hours",
   "superBlock": "relational-database",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-personal-portfolio-webpage-project/meta.json b/curriculum/challenges/_meta/build-a-personal-portfolio-webpage-project/meta.json
index cb90b9253d0..b3113a0f9bf 100644
--- a/curriculum/challenges/_meta/build-a-personal-portfolio-webpage-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-personal-portfolio-webpage-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "HTML-CSS",
   "order": 19,
-  "time": "30 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-pokemon-search-app-project/meta.json b/curriculum/challenges/_meta/build-a-pokemon-search-app-project/meta.json
index fb2718b9c71..637bd19faa0 100644
--- a/curriculum/challenges/_meta/build-a-pokemon-search-app-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-pokemon-search-app-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "JavaScript",
   "order": 24,
-  "time": "30 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-polygon-area-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-polygon-area-calculator-project/meta.json
index a9eec200086..c25c19c5378 100644
--- a/curriculum/challenges/_meta/build-a-polygon-area-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-polygon-area-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "usesMultifileEditor": true,
   "dashedName": "build-a-polygon-area-calculator-project",
   "order": 14,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-probability-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-probability-calculator-project/meta.json
index 89d305104e1..cff430f0608 100644
--- a/curriculum/challenges/_meta/build-a-probability-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-probability-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "usesMultifileEditor": true,
   "dashedName": "build-a-probability-calculator-project",
   "order": 15,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-product-landing-page-project/meta.json b/curriculum/challenges/_meta/build-a-product-landing-page-project/meta.json
index 280ec0db06e..fd5c6eef97a 100644
--- a/curriculum/challenges/_meta/build-a-product-landing-page-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-product-landing-page-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "HTML-CSS",
   "order": 16,
-  "time": "30 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-roman-numeral-converter-project/meta.json b/curriculum/challenges/_meta/build-a-roman-numeral-converter-project/meta.json
index be94ddf83d9..2234cdabdd4 100644
--- a/curriculum/challenges/_meta/build-a-roman-numeral-converter-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-roman-numeral-converter-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "JavaScript",
   "order": 12,
-  "time": "30 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-salon-appointment-scheduler-project/meta.json b/curriculum/challenges/_meta/build-a-salon-appointment-scheduler-project/meta.json
index af3111a792b..44515cf19f1 100644
--- a/curriculum/challenges/_meta/build-a-salon-appointment-scheduler-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-salon-appointment-scheduler-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-salon-appointment-scheduler-project",
   "order": 9,
   "helpCategory": "Backend Development",
-  "time": "30 hours",
   "superBlock": "relational-database",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-survey-form-project/meta.json b/curriculum/challenges/_meta/build-a-survey-form-project/meta.json
index 96b66b0129b..d5620eaa913 100644
--- a/curriculum/challenges/_meta/build-a-survey-form-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-survey-form-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "HTML-CSS",
   "order": 4,
-  "time": "30 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-technical-documentation-page-project/meta.json b/curriculum/challenges/_meta/build-a-technical-documentation-page-project/meta.json
index f2f286f5692..118d2774e7a 100644
--- a/curriculum/challenges/_meta/build-a-technical-documentation-page-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-technical-documentation-page-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "HTML-CSS",
   "order": 13,
-  "time": "30 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-telephone-number-validator-project/meta.json b/curriculum/challenges/_meta/build-a-telephone-number-validator-project/meta.json
index c52826cb95f..a13c12490fe 100644
--- a/curriculum/challenges/_meta/build-a-telephone-number-validator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-telephone-number-validator-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "JavaScript",
   "order": 17,
-  "time": "30 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-time-calculator-project/meta.json b/curriculum/challenges/_meta/build-a-time-calculator-project/meta.json
index 1d68e22b967..968fccd753f 100644
--- a/curriculum/challenges/_meta/build-a-time-calculator-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-time-calculator-project/meta.json
@@ -4,7 +4,6 @@
   "usesMultifileEditor": true,
   "dashedName": "build-a-time-calculator-project",
   "order": 10,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-tribute-page-project/meta.json b/curriculum/challenges/_meta/build-a-tribute-page-project/meta.json
index 229fa69a2f9..9063bbeb756 100644
--- a/curriculum/challenges/_meta/build-a-tribute-page-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-tribute-page-project/meta.json
@@ -5,7 +5,6 @@
   "usesMultifileEditor": true,
   "helpCategory": "HTML-CSS",
   "order": 9,
-  "time": "30 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-a-world-cup-database-project/meta.json b/curriculum/challenges/_meta/build-a-world-cup-database-project/meta.json
index ab799b9408c..045492a4ea0 100644
--- a/curriculum/challenges/_meta/build-a-world-cup-database-project/meta.json
+++ b/curriculum/challenges/_meta/build-a-world-cup-database-project/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "build-a-world-cup-database-project",
   "helpCategory": "Backend Development",
   "order": 6,
-  "time": "30 hours",
   "superBlock": "relational-database",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-an-arithmetic-formatter-project/meta.json b/curriculum/challenges/_meta/build-an-arithmetic-formatter-project/meta.json
index 3a2830e4995..ba5c601095e 100644
--- a/curriculum/challenges/_meta/build-an-arithmetic-formatter-project/meta.json
+++ b/curriculum/challenges/_meta/build-an-arithmetic-formatter-project/meta.json
@@ -4,7 +4,6 @@
   "usesMultifileEditor": true,
   "dashedName": "build-an-arithmetic-formatter-project",
   "order": 5,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/build-three-math-games-project/meta.json b/curriculum/challenges/_meta/build-three-math-games-project/meta.json
index 65923e43a4e..d1637b86e82 100644
--- a/curriculum/challenges/_meta/build-three-math-games-project/meta.json
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index 42812c9143c..7dc3bef6da0 100644
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index 35189872c3b..fc4d85fb6ce 100644
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index f7617d43ae4..2c49c05a4e7 100644
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index 1cd584b9991..4ab6058ed09 100644
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index 4cbc1a1ebfd..5555a7115f4 100644
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index 72b0e42a8e0..101f58ea376 100644
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index 41d18078298..36c06e8e0d1 100644
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index df01dc2aae5..fdae08d2b0b 100644
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index 7c009169f1a..e7e8ba04d4e 100644
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index 72f677dbc96..10d3c649498 100644
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index ad812c72fd4..d39f131d1cc 100644
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index fe8bc8284a9..463f041e334 100644
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index dd504cc8537..4d45082f166 100644
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index 7d191b6dd3f..9b1a7d86c18 100644
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index fe3725dabf3..e5c30b918d2 100644
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index 9c4e4f941c3..25e9766e0e9 100644
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index 2da692d831c..68b69e9234c 100644
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index 410b0335000..0d1c81989ca 100644
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index 6859ca81fab..4d1bcbdda38 100644
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index 8d40ae390f3..34d85b41349 100644
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index 5eeafc17a61..9b55b81c7ef 100644
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@@ -6,7 +6,6 @@
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index b8fedc4c19b..c49e7fb41e1 100644
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@@ -6,7 +6,6 @@
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index 74963973bf0..5c09a119f6e 100644
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index 7eefe2e7aa3..4cc8dcea741 100644
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index 9b01d1f4289..89006fd9086 100644
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index ef1512e73e5..e5c4a135324 100644
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index acfc22c9390..f051a41bd87 100644
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index 98e26e3f991..5f5c17858ab 100644
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@@ -6,7 +6,6 @@
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   "helpCategory": "HTML-CSS",
   "order": 5,
-  "time": "5 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/learn-the-date-object-by-building-a-date-formatter/meta.json b/curriculum/challenges/_meta/learn-the-date-object-by-building-a-date-formatter/meta.json
index 9e6643031c8..07ada586070 100644
--- a/curriculum/challenges/_meta/learn-the-date-object-by-building-a-date-formatter/meta.json
+++ b/curriculum/challenges/_meta/learn-the-date-object-by-building-a-date-formatter/meta.json
@@ -5,7 +5,6 @@
   "hasEditableBoundaries": true,
   "dashedName": "learn-the-date-object-by-building-a-date-formatter",
   "order": 7,
-  "time": "5 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/learn-tree-traversal-by-building-a-binary-search-tree/meta.json b/curriculum/challenges/_meta/learn-tree-traversal-by-building-a-binary-search-tree/meta.json
index 2ce19482bbd..14629ef391c 100644
--- a/curriculum/challenges/_meta/learn-tree-traversal-by-building-a-binary-search-tree/meta.json
+++ b/curriculum/challenges/_meta/learn-tree-traversal-by-building-a-binary-search-tree/meta.json
@@ -5,7 +5,6 @@
   "hasEditableBoundaries": true,
   "dashedName": "learn-tree-traversal-by-building-a-binary-search-tree",
   "order": 12,
-  "time": "5 hours",
   "superBlock": "scientific-computing-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/learn-typography-by-building-a-nutrition-label/meta.json b/curriculum/challenges/_meta/learn-typography-by-building-a-nutrition-label/meta.json
index cf885a65c19..97dccaed95c 100644
--- a/curriculum/challenges/_meta/learn-typography-by-building-a-nutrition-label/meta.json
+++ b/curriculum/challenges/_meta/learn-typography-by-building-a-nutrition-label/meta.json
@@ -6,7 +6,6 @@
   "dashedName": "learn-typography-by-building-a-nutrition-label",
   "helpCategory": "HTML-CSS",
   "order": 7,
-  "time": "5 hours",
   "superBlock": "2022/responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/machine-learning-with-python-projects/meta.json b/curriculum/challenges/_meta/machine-learning-with-python-projects/meta.json
index f833e0740cf..80d71024b74 100644
--- a/curriculum/challenges/_meta/machine-learning-with-python-projects/meta.json
+++ b/curriculum/challenges/_meta/machine-learning-with-python-projects/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "machine-learning-with-python-projects",
   "helpCategory": "Python",
   "order": 2,
-  "time": "150 hours",
   "superBlock": "machine-learning-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/managing-packages-with-npm/meta.json b/curriculum/challenges/_meta/managing-packages-with-npm/meta.json
index f95c649e9c6..0fb384d6173 100644
--- a/curriculum/challenges/_meta/managing-packages-with-npm/meta.json
+++ b/curriculum/challenges/_meta/managing-packages-with-npm/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "managing-packages-with-npm",
   "helpCategory": "JavaScript",
   "order": 0,
-  "time": "5 hours",
   "superBlock": "back-end-development-and-apis",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/mongodb-and-mongoose/meta.json b/curriculum/challenges/_meta/mongodb-and-mongoose/meta.json
index 6c863849150..1114888c96c 100644
--- a/curriculum/challenges/_meta/mongodb-and-mongoose/meta.json
+++ b/curriculum/challenges/_meta/mongodb-and-mongoose/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "mongodb-and-mongoose",
   "helpCategory": "JavaScript",
   "order": 2,
-  "time": "5 hours",
   "superBlock": "back-end-development-and-apis",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/numpy/meta.json b/curriculum/challenges/_meta/numpy/meta.json
index 4b730f761a2..f6d66eafc86 100644
--- a/curriculum/challenges/_meta/numpy/meta.json
+++ b/curriculum/challenges/_meta/numpy/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "numpy",
   "helpCategory": "Python",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "data-analysis-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/object-oriented-programming/meta.json b/curriculum/challenges/_meta/object-oriented-programming/meta.json
index e5e19523be8..364060fe0f6 100644
--- a/curriculum/challenges/_meta/object-oriented-programming/meta.json
+++ b/curriculum/challenges/_meta/object-oriented-programming/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "object-oriented-programming",
   "helpCategory": "JavaScript",
   "order": 6,
-  "time": "5 hours",
   "superBlock": "javascript-algorithms-and-data-structures",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/python-for-everybody/meta.json b/curriculum/challenges/_meta/python-for-everybody/meta.json
index e9458d25e2c..2a41152e61b 100644
--- a/curriculum/challenges/_meta/python-for-everybody/meta.json
+++ b/curriculum/challenges/_meta/python-for-everybody/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "python-for-everybody",
   "helpCategory": "Python",
   "order": 0,
-  "time": "15 hours",
   "superBlock": "python-for-everybody",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/python-for-penetration-testing/meta.json b/curriculum/challenges/_meta/python-for-penetration-testing/meta.json
index 993d623b108..0a38f6b48e9 100644
--- a/curriculum/challenges/_meta/python-for-penetration-testing/meta.json
+++ b/curriculum/challenges/_meta/python-for-penetration-testing/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "python-for-penetration-testing",
   "helpCategory": "Python",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "information-security",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/quality-assurance-and-testing-with-chai/meta.json b/curriculum/challenges/_meta/quality-assurance-and-testing-with-chai/meta.json
index fc1a610391c..3ff7d4f5903 100644
--- a/curriculum/challenges/_meta/quality-assurance-and-testing-with-chai/meta.json
+++ b/curriculum/challenges/_meta/quality-assurance-and-testing-with-chai/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "quality-assurance-and-testing-with-chai",
   "helpCategory": "JavaScript",
   "order": 0,
-  "time": "5 hours",
   "superBlock": "quality-assurance",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/quality-assurance-projects/meta.json b/curriculum/challenges/_meta/quality-assurance-projects/meta.json
index 30579e101dd..2e1c6e5a4e7 100644
--- a/curriculum/challenges/_meta/quality-assurance-projects/meta.json
+++ b/curriculum/challenges/_meta/quality-assurance-projects/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "quality-assurance-projects",
   "helpCategory": "JavaScript",
   "order": 2,
-  "time": "150 hours",
   "superBlock": "quality-assurance",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/react-and-redux/meta.json b/curriculum/challenges/_meta/react-and-redux/meta.json
index 0f60cef5e2b..0373fcdbbb2 100644
--- a/curriculum/challenges/_meta/react-and-redux/meta.json
+++ b/curriculum/challenges/_meta/react-and-redux/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "react-and-redux",
   "helpCategory": "JavaScript",
   "order": 5,
-  "time": "5 hours",
   "template": "<body><div id='root'></div>${ source || '' }</body>",
   "required": [
     {
diff --git a/curriculum/challenges/_meta/react/meta.json b/curriculum/challenges/_meta/react/meta.json
index 99735ec4ebe..de58387a4ad 100644
--- a/curriculum/challenges/_meta/react/meta.json
+++ b/curriculum/challenges/_meta/react/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "react",
   "helpCategory": "JavaScript",
   "order": 3,
-  "time": "5 hours",
   "template": "<body><div id='root'></div><div id='challenge-node'></div>${ source || '' }</body>",
   "required": [
     {
diff --git a/curriculum/challenges/_meta/redux/meta.json b/curriculum/challenges/_meta/redux/meta.json
index d082c381040..589b3fdd67b 100644
--- a/curriculum/challenges/_meta/redux/meta.json
+++ b/curriculum/challenges/_meta/redux/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "redux",
   "helpCategory": "JavaScript",
   "order": 4,
-  "time": "5 hours",
   "required": [
     {
       "src": "https://cdnjs.cloudflare.com/ajax/libs/redux/3.7.2/redux.min.js"
diff --git a/curriculum/challenges/_meta/regular-expressions/meta.json b/curriculum/challenges/_meta/regular-expressions/meta.json
index 0f3bd7acac5..0f56fd3671f 100644
--- a/curriculum/challenges/_meta/regular-expressions/meta.json
+++ b/curriculum/challenges/_meta/regular-expressions/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "regular-expressions",
   "helpCategory": "JavaScript",
   "order": 2,
-  "time": "5 hours",
   "superBlock": "javascript-algorithms-and-data-structures",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/responsive-web-design-principles/meta.json b/curriculum/challenges/_meta/responsive-web-design-principles/meta.json
index cccc4d6a34b..2e871149361 100644
--- a/curriculum/challenges/_meta/responsive-web-design-principles/meta.json
+++ b/curriculum/challenges/_meta/responsive-web-design-principles/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "responsive-web-design-principles",
   "helpCategory": "HTML-CSS",
   "order": 4,
-  "time": "1 hour",
   "superBlock": "responsive-web-design",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/review-dom-manipulation-by-building-a-rock-paper-scissors-game/meta.json b/curriculum/challenges/_meta/review-dom-manipulation-by-building-a-rock-paper-scissors-game/meta.json
index 13bd7499843..75a992bf79d 100644
--- a/curriculum/challenges/_meta/review-dom-manipulation-by-building-a-rock-paper-scissors-game/meta.json
+++ b/curriculum/challenges/_meta/review-dom-manipulation-by-building-a-rock-paper-scissors-game/meta.json
@@ -5,7 +5,6 @@
   "hasEditableBoundaries": true,
   "dashedName": "review-dom-manipulation-by-building-a-rock-paper-scissors-game",
   "order": 5,
-  "time": "5 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/review-js-fundamentals-by-building-a-gradebook-app/meta.json b/curriculum/challenges/_meta/review-js-fundamentals-by-building-a-gradebook-app/meta.json
index 4f6a3477bda..eb9b976708c 100644
--- a/curriculum/challenges/_meta/review-js-fundamentals-by-building-a-gradebook-app/meta.json
+++ b/curriculum/challenges/_meta/review-js-fundamentals-by-building-a-gradebook-app/meta.json
@@ -5,7 +5,6 @@
   "hasEditableBoundaries": true,
   "dashedName": "review-js-fundamentals-by-building-a-gradebook-app",
   "order": 1,
-  "time": "5 hours",
   "superBlock": "javascript-algorithms-and-data-structures-v8",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/sass/meta.json b/curriculum/challenges/_meta/sass/meta.json
index 68407e84978..1422abb2c29 100644
--- a/curriculum/challenges/_meta/sass/meta.json
+++ b/curriculum/challenges/_meta/sass/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "sass",
   "helpCategory": "HTML-CSS",
   "order": 2,
-  "time": "5 hours",
   "superBlock": "front-end-development-libraries",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/tensorflow/meta.json b/curriculum/challenges/_meta/tensorflow/meta.json
index 1c07637a652..cda445faee6 100644
--- a/curriculum/challenges/_meta/tensorflow/meta.json
+++ b/curriculum/challenges/_meta/tensorflow/meta.json
@@ -4,7 +4,6 @@
   "dashedName": "tensorflow",
   "helpCategory": "Python",
   "order": 0,
-  "time": "15 hours",
   "superBlock": "machine-learning-with-python",
   "challengeOrder": [
     {
diff --git a/curriculum/challenges/_meta/upcoming-python-project/meta.json b/curriculum/challenges/_meta/upcoming-python-project/meta.json
index fdc4048843f..a4e226aa41e 100644
--- a/curriculum/challenges/_meta/upcoming-python-project/meta.json
+++ b/curriculum/challenges/_meta/upcoming-python-project/meta.json
@@ -5,7 +5,6 @@
   "hasEditableBoundaries": true,
   "helpCategory": "Python",
   "order": 1,
-  "time": "2 hours",
   "superBlock": "upcoming-python",
   "challengeOrder": [
     {
diff --git a/curriculum/get-challenges.js b/curriculum/get-challenges.js
index bd95f2b68f4..08585fe875c 100644
--- a/curriculum/get-challenges.js
+++ b/curriculum/get-challenges.js
@@ -273,7 +273,6 @@ function generateChallengeCreator(lang, englishPath, i18nPath) {
     challenge.isPrivate = challenge.isPrivate || meta.isPrivate;
     challenge.required = (meta.required || []).concat(challenge.required || []);
     challenge.template = meta.template;
-    challenge.time = meta.time;
     challenge.helpCategory = challenge.helpCategory || meta.helpCategory;
     challenge.usesMultifileEditor = !!meta.usesMultifileEditor;
     challenge.disableLoopProtectTests = !!meta.disableLoopProtectTests;
diff --git a/curriculum/schema/__snapshots__/challenge-schema.test.js.snap b/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
index 3b460fffdb1..f1bfd80b476 100644
--- a/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
+++ b/curriculum/schema/__snapshots__/challenge-schema.test.js.snap
@@ -218,7 +218,6 @@ const schema = Joi.object()
       )
       .required(),
     template: Joi.string().allow(''),
-    time: Joi.string().allow(''),
     title: Joi.string().required(),
     translationPending: Joi.bool().required(),
     url: Joi.when('challengeType', {
diff --git a/curriculum/schema/challenge-schema.js b/curriculum/schema/challenge-schema.js
index 1d64e028a0c..dac17104eae 100644
--- a/curriculum/schema/challenge-schema.js
+++ b/curriculum/schema/challenge-schema.js
@@ -215,7 +215,6 @@ const schema = Joi.object()
       )
       .required(),
     template: Joi.string().allow(''),
-    time: Joi.string().allow(''),
     title: Joi.string().required(),
     translationPending: Joi.bool().required(),
     url: Joi.when('challengeType', {
diff --git a/curriculum/schema/meta-schema.js b/curriculum/schema/meta-schema.js
index f73412f0da1..17ab40b32fc 100644
--- a/curriculum/schema/meta-schema.js
+++ b/curriculum/schema/meta-schema.js
@@ -14,7 +14,6 @@ const schema = Joi.object()
     hasEditableBoundaries: Joi.boolean(),
     disableLoopProtectTests: Joi.boolean(),
     disableLoopProtectPreview: Joi.boolean(),
-    time: Joi.string(),
     template: Joi.string(),
     required: Joi.array()
       .items(