diff --git a/.env b/.env
index 1107eae2bf..55688ba004 100644
--- a/.env
+++ b/.env
@@ -36,7 +36,6 @@ ENABLE_ASSETS_PAGE=false
ENABLE_VIDEO_UPLOAD_PAGE_LINK_IN_CONTENT_DROPDOWN=false
ENABLE_TAGGING_TAXONOMY_PAGES=true
ENABLE_CERTIFICATE_PAGE=true
-ENABLE_LEGACY_LIBRARY_MIGRATOR=false
BBB_LEARN_MORE_URL=''
HOTJAR_APP_ID=''
HOTJAR_VERSION=6
diff --git a/.env.development b/.env.development
index c1356170a6..f634640c1c 100644
--- a/.env.development
+++ b/.env.development
@@ -39,7 +39,6 @@ ENABLE_VIDEO_UPLOAD_PAGE_LINK_IN_CONTENT_DROPDOWN=true
ENABLE_CERTIFICATE_PAGE=true
ENABLE_NEW_VIDEO_UPLOAD_PAGE=true
ENABLE_TAGGING_TAXONOMY_PAGES=true
-ENABLE_LEGACY_LIBRARY_MIGRATOR=true
BBB_LEARN_MORE_URL=''
HOTJAR_APP_ID=''
HOTJAR_VERSION=6
diff --git a/.env.test b/.env.test
index ea2a8b2da4..f789114edf 100644
--- a/.env.test
+++ b/.env.test
@@ -34,7 +34,6 @@ ENABLE_ASSETS_PAGE=false
ENABLE_VIDEO_UPLOAD_PAGE_LINK_IN_CONTENT_DROPDOWN=true
ENABLE_CERTIFICATE_PAGE=true
ENABLE_TAGGING_TAXONOMY_PAGES=true
-ENABLE_LEGACY_LIBRARY_MIGRATOR=true
BBB_LEARN_MORE_URL=''
INVITE_STUDENTS_EMAIL_TO="someone@domain.com"
ENABLE_CHECKLIST_QUALITY=true
diff --git a/src/index.jsx b/src/index.jsx
index bbd95e5d73..3170be854a 100755
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -175,7 +175,6 @@ initialize({
ENABLE_CERTIFICATE_PAGE: process.env.ENABLE_CERTIFICATE_PAGE || 'false',
ENABLE_TAGGING_TAXONOMY_PAGES: process.env.ENABLE_TAGGING_TAXONOMY_PAGES || 'false',
ENABLE_CHECKLIST_QUALITY: process.env.ENABLE_CHECKLIST_QUALITY || 'true',
- ENABLE_LEGACY_LIBRARY_MIGRATOR: process.env.ENABLE_LEGACY_LIBRARY_MIGRATOR || 'false',
ENABLE_GRADING_METHOD_IN_PROBLEMS: process.env.ENABLE_GRADING_METHOD_IN_PROBLEMS === 'true',
LIBRARY_UNSUPPORTED_BLOCKS: (process.env.LIBRARY_UNSUPPORTED_BLOCKS || 'conditional,step-builder,problem-builder').split(','),
COURSE_TEAM_SUPPORT_EMAIL: process.env.COURSE_TEAM_SUPPORT_EMAIL || null,
diff --git a/src/studio-home/tabs-section/TabsSection.test.tsx b/src/studio-home/tabs-section/TabsSection.test.tsx
index 3593b27401..590c870c42 100644
--- a/src/studio-home/tabs-section/TabsSection.test.tsx
+++ b/src/studio-home/tabs-section/TabsSection.test.tsx
@@ -393,10 +393,6 @@ describe('