diff --git a/.github/workflows/curriculum-i18n-submodule.yml b/.github/workflows/curriculum-i18n-submodule.yml
index 29f6c034f17..c2af27c0513 100644
--- a/.github/workflows/curriculum-i18n-submodule.yml
+++ b/.github/workflows/curriculum-i18n-submodule.yml
@@ -48,8 +48,6 @@ jobs:
       - name: Set Environment variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install node_modules
         run: pnpm install
diff --git a/.github/workflows/e2e-playwright.yml b/.github/workflows/e2e-playwright.yml
index 3691381f78e..352b8ea953f 100644
--- a/.github/workflows/e2e-playwright.yml
+++ b/.github/workflows/e2e-playwright.yml
@@ -48,8 +48,6 @@ jobs:
       - name: Set freeCodeCamp Environment Variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install and Build
         run: |
@@ -132,8 +130,6 @@ jobs:
       - name: Set freeCodeCamp Environment Variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install and Build
         run: |
diff --git a/.github/workflows/e2e-third-party.yml b/.github/workflows/e2e-third-party.yml
index e7cdf151adc..4b36c447f96 100644
--- a/.github/workflows/e2e-third-party.yml
+++ b/.github/workflows/e2e-third-party.yml
@@ -32,6 +32,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Checkout client-config
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
diff --git a/.github/workflows/e2e-with-new-api.yml b/.github/workflows/e2e-with-new-api.yml
index f0cbab9e7ee..73bc026ea52 100644
--- a/.github/workflows/e2e-with-new-api.yml
+++ b/.github/workflows/e2e-with-new-api.yml
@@ -24,6 +24,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Checkout client-config
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
@@ -79,6 +81,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Create Image
         run: |
@@ -96,6 +100,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Create Image
         run: |
diff --git a/.github/workflows/i18n-validate-builds.yml b/.github/workflows/i18n-validate-builds.yml
index cf78c0fa357..38e5c77d38f 100644
--- a/.github/workflows/i18n-validate-builds.yml
+++ b/.github/workflows/i18n-validate-builds.yml
@@ -32,8 +32,6 @@ jobs:
       - name: Set freeCodeCamp Environment Variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install Dependencies
         run: pnpm install
diff --git a/.github/workflows/i18n-validate-prs.yml b/.github/workflows/i18n-validate-prs.yml
index 3fea98fadfc..e44fc7a638b 100644
--- a/.github/workflows/i18n-validate-prs.yml
+++ b/.github/workflows/i18n-validate-prs.yml
@@ -34,8 +34,6 @@ jobs:
       - name: Set freeCodeCamp Environment Variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install Dependencies
         run: pnpm install
diff --git a/.github/workflows/node.js-tests.yml b/.github/workflows/node.js-tests.yml
index 419a2685196..50be76e7dff 100644
--- a/.github/workflows/node.js-tests.yml
+++ b/.github/workflows/node.js-tests.yml
@@ -56,7 +56,6 @@ jobs:
         run: |
           cp sample.env .env
           cat .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install node_modules
         run: pnpm install
@@ -104,8 +103,6 @@ jobs:
       - name: Set freeCodeCamp Environment Variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Install and Build
         run: |
@@ -142,9 +139,7 @@ jobs:
       - name: Set Environment variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
           cat .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Start MongoDB
         uses: supercharge/mongodb-github-action@b0a1493307c4e9b82ed61f3858d606c5ff190c64 # v1.10.0
@@ -196,9 +191,7 @@ jobs:
           cp sample.env .env
           echo 'SHOW_UPCOMING_CHANGES=true' >> .env
           echo 'SHOW_NEW_CURRICULUM=true' >> .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
           cat .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Start MongoDB
         uses: supercharge/mongodb-github-action@b0a1493307c4e9b82ed61f3858d606c5ff190c64 # v1.10.0
@@ -249,9 +242,7 @@ jobs:
       - name: Set Environment variables
         run: |
           cp sample.env .env
-          echo 'BUILD_WITH_SUBMODULE=true' >> .env
           cat .env
-        # TODO: Remove this ^ after migration is complete
 
       - name: Start MongoDB
         uses: supercharge/mongodb-github-action@b0a1493307c4e9b82ed61f3858d606c5ff190c64 # v1.10.0
diff --git a/.github/workflows/temporary-container-checks.yml b/.github/workflows/temporary-container-checks.yml
index 8501bdb3af1..01cbdde8275 100644
--- a/.github/workflows/temporary-container-checks.yml
+++ b/.github/workflows/temporary-container-checks.yml
@@ -27,6 +27,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Create Image
         run: |
@@ -61,6 +63,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Create Image
         run: |
@@ -78,6 +82,8 @@ jobs:
     steps:
       - name: Checkout Source Files
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          submodules: 'recursive'
 
       - name: Create Image
         run: |
diff --git a/client/utils/build-challenges.js b/client/utils/build-challenges.js
index 6df479c2047..8cbd6904f5a 100644
--- a/client/utils/build-challenges.js
+++ b/client/utils/build-challenges.js
@@ -8,7 +8,7 @@ const {
   generateChallengeCreator,
   ENGLISH_CHALLENGES_DIR,
   META_DIR,
-  CHALLENGES_DIR,
+  I18N_CHALLENGES_DIR,
   getChallengesDirForLang
 } = require('../../curriculum/get-challenges');
 
@@ -30,7 +30,11 @@ exports.replaceChallengeNode = () => {
       'english',
       filePath
     );
-    const i18nPath = path.resolve(CHALLENGES_DIR, curriculumLocale, filePath);
+    const i18nPath = path.resolve(
+      I18N_CHALLENGES_DIR,
+      curriculumLocale,
+      filePath
+    );
     // TODO: reimplement hot-reloading of certifications
     const createChallenge = generateChallengeCreator(
       curriculumLocale,
diff --git a/curriculum/get-challenges.js b/curriculum/get-challenges.js
index 9a67aafceac..22fc608a84a 100644
--- a/curriculum/get-challenges.js
+++ b/curriculum/get-challenges.js
@@ -25,31 +25,29 @@ const ENGLISH_CHALLENGES_DIR = path.resolve(__dirname, 'challenges');
 const ENGLISH_DICTIONARIES_DIR = path.resolve(__dirname, 'dictionaries');
 const META_DIR = path.resolve(ENGLISH_CHALLENGES_DIR, '_meta');
 
-const CURRICULUM_DIR = path.resolve(
+// This is to allow English to build without having to download the i18n files.
+// It fails when trying to resolve the i18n-curriculum path if they don't exist.
+const I18N_CURRICULUM_DIR = path.resolve(
   __dirname,
-  process.env.BUILD_WITH_SUBMODULE === 'true'
-    ? 'i18n-curriculum/curriculum'
-    : '.'
+  process.env.CURRICULUM_LOCALE === 'english'
+    ? '.'
+    : 'i18n-curriculum/curriculum'
 );
 
-const CHALLENGES_DIR = path.resolve(CURRICULUM_DIR, 'challenges');
-const DICTIONARIES_DIR = path.resolve(CURRICULUM_DIR, 'dictionaries');
+const I18N_CHALLENGES_DIR = path.resolve(I18N_CURRICULUM_DIR, 'challenges');
+const I18N_DICTIONARIES_DIR = path.resolve(I18N_CURRICULUM_DIR, 'dictionaries');
 
 exports.ENGLISH_CHALLENGES_DIR = ENGLISH_CHALLENGES_DIR;
 exports.META_DIR = META_DIR;
-exports.CHALLENGES_DIR = CHALLENGES_DIR;
+exports.I18N_CHALLENGES_DIR = I18N_CHALLENGES_DIR;
 
 const COMMENT_TRANSLATIONS = createCommentMap(
-  DICTIONARIES_DIR,
+  I18N_DICTIONARIES_DIR,
   ENGLISH_DICTIONARIES_DIR
 );
 
 function createCommentMap(dictionariesDir, englishDictionariesDir) {
-  // get all the languages for which there are dictionaries. Note: the english
-  // entries are created separately, so we remove it from languages.
-  const languages = fs
-    .readdirSync(dictionariesDir)
-    .filter(lang => lang !== 'english'); // TODO: Remove the filter after migrating to i18n-curriculum
+  const languages = fs.readdirSync(dictionariesDir);
 
   // get all their dictionaries
   const dictionaries = languages.reduce(
@@ -130,7 +128,7 @@ function getChallengesDirForLang(lang) {
   if (lang === 'english') {
     return path.resolve(ENGLISH_CHALLENGES_DIR, `${lang}`);
   } else {
-    return path.resolve(CHALLENGES_DIR, `${lang}`);
+    return path.resolve(I18N_CHALLENGES_DIR, `${lang}`);
   }
 }
 
@@ -258,7 +256,7 @@ async function buildChallenges({ path: filePath }, curriculum, lang) {
     'english',
     filePath
   );
-  const i18nPath = path.resolve(__dirname, CHALLENGES_DIR, lang, filePath);
+  const i18nPath = path.resolve(__dirname, I18N_CHALLENGES_DIR, lang, filePath);
   const createChallenge = generateChallengeCreator(lang, englishPath, i18nPath);
 
   await assertHasEnglishSource(filePath, lang, englishPath);
diff --git a/sample.env b/sample.env
index 6e0da371eb5..32e2e5b301d 100644
--- a/sample.env
+++ b/sample.env
@@ -51,9 +51,6 @@ FREECODECAMP_NODE_ENV=development
 CLIENT_LOCALE=english
 CURRICULUM_LOCALE=english
 
-# Build using submodule - remove this once the workflow has been entirely moved to use the submodule
-BUILD_WITH_SUBMODULE=false
-
 # Show or hide WIP in progress challenges
 SHOW_UPCOMING_CHANGES=false
 SHOW_NEW_CURRICULUM=false