diff --git a/cms/envs/common.py b/cms/envs/common.py
index 41ef3f60c2..d3660edc63 100644
--- a/cms/envs/common.py
+++ b/cms/envs/common.py
@@ -155,9 +155,6 @@ BLOCK_STRUCTURES_SETTINGS = dict(
 
     # Maximum number of retries per task.
     TASK_MAX_RETRIES=5,
-
-    # Backend storage options
-    PRUNING_ACTIVE=False,
 )
 
 ############################ FEATURE CONFIGURATION #############################
diff --git a/cms/envs/devstack-experimental.yml b/cms/envs/devstack-experimental.yml
index a25a28debc..46e6af3894 100644
--- a/cms/envs/devstack-experimental.yml
+++ b/cms/envs/devstack-experimental.yml
@@ -43,7 +43,6 @@ BLOCKSTORE_API_URL: http://localhost:18250/api/v1
 BLOCKSTORE_PUBLIC_URL_ROOT: http://localhost:18250
 BLOCK_STRUCTURES_SETTINGS:
     COURSE_PUBLISH_TASK_DELAY: 30
-    PRUNING_ACTIVE: false
     TASK_DEFAULT_RETRY_DELAY: 30
     TASK_MAX_RETRIES: 5
 BRANCH_IO_KEY: ''
diff --git a/cms/envs/test.py b/cms/envs/test.py
index e856034d08..118b3f1b0c 100644
--- a/cms/envs/test.py
+++ b/cms/envs/test.py
@@ -95,8 +95,6 @@ STATICFILES_DIRS += [
 STATICFILES_STORAGE = 'pipeline.storage.NonPackagingPipelineStorage'
 STATIC_URL = "/static/"
 
-BLOCK_STRUCTURES_SETTINGS['PRUNING_ACTIVE'] = True
-
 # Update module store settings per defaults for tests
 update_module_store_settings(
     MODULESTORE,
diff --git a/lms/envs/common.py b/lms/envs/common.py
index af6c93f519..e4c213e0da 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -2867,22 +2867,6 @@ BLOCK_STRUCTURES_SETTINGS = dict(
     #   For more information, check https://github.com/openedx/edx-platform/pull/13388 and
     #   https://github.com/openedx/edx-platform/pull/14571.
     TASK_MAX_RETRIES=5,
-
-    # .. toggle_name: BLOCK_STRUCTURES_SETTINGS['PRUNING_ACTIVE']
-    # .. toggle_implementation: DjangoSetting
-    # .. toggle_default: False
-    # .. toggle_description: When `True`, only a specified number of versions of block structure
-    #   files are kept for each structure, and the rest are cleaned up. The number of versions that
-    #   are kept can be specified in the `BlockStructureConfiguration`, which can be edited in
-    #   Django Admin. The default number of versions that are kept is `5`.
-    # .. toggle_warning: This toggle will likely be deprecated and removed.
-    # .. toggle_use_cases: temporary
-    # .. toggle_creation_date: 2018-03-22
-    # .. toggle_target_removal_date: 2018-06-22
-    # .. toggle_tickets: https://github.com/openedx/edx-platform/pull/14571,
-    #   https://github.com/openedx/edx-platform/pull/17760,
-    #   https://openedx.atlassian.net/browse/DEPR-146
-    PRUNING_ACTIVE=False,
 )
 
 ################################ Bulk Email ###################################
diff --git a/lms/envs/devstack-experimental.yml b/lms/envs/devstack-experimental.yml
index 0e554cdd9a..71d66b2af4 100644
--- a/lms/envs/devstack-experimental.yml
+++ b/lms/envs/devstack-experimental.yml
@@ -61,7 +61,6 @@ BLOCKSTORE_API_URL: http://localhost:18250/api/v1
 BLOCKSTORE_PUBLIC_URL_ROOT: http://localhost:18250
 BLOCK_STRUCTURES_SETTINGS:
     COURSE_PUBLISH_TASK_DELAY: 30
-    PRUNING_ACTIVE: false
     TASK_DEFAULT_RETRY_DELAY: 30
     TASK_MAX_RETRIES: 5
 BRANCH_IO_KEY: ''
diff --git a/lms/envs/test.py b/lms/envs/test.py
index cb55cfcfb8..4cc08fdadd 100644
--- a/lms/envs/test.py
+++ b/lms/envs/test.py
@@ -327,8 +327,6 @@ FILE_UPLOAD_HANDLERS = [
     'django.core.files.uploadhandler.TemporaryFileUploadHandler',
 ]
 
-BLOCK_STRUCTURES_SETTINGS['PRUNING_ACTIVE'] = True
-
 ########################### Server Ports ###################################
 
 # These ports are carefully chosen so that if the browser needs to
diff --git a/openedx/core/djangoapps/content/block_structure/models.py b/openedx/core/djangoapps/content/block_structure/models.py
index b183bb5949..8fda8ad360 100644
--- a/openedx/core/djangoapps/content/block_structure/models.py
+++ b/openedx/core/djangoapps/content/block_structure/models.py
@@ -255,9 +255,6 @@ class BlockStructureModel(TimeStampedModel):
         """
         Deletes previous file versions for data_usage_key.
         """
-        if not settings.BLOCK_STRUCTURES_SETTINGS.get('PRUNING_ACTIVE', False):
-            return
-
         if num_to_keep is None:
             num_to_keep = config.num_versions_to_keep()
 
diff --git a/openedx/core/djangoapps/content/block_structure/tests/test_models.py b/openedx/core/djangoapps/content/block_structure/tests/test_models.py
index 08916151e7..443c722aed 100644
--- a/openedx/core/djangoapps/content/block_structure/tests/test_models.py
+++ b/openedx/core/djangoapps/content/block_structure/tests/test_models.py
@@ -80,7 +80,6 @@ class BlockStructureModelTestCase(TestCase):
         return bsm
 
     @patch('openedx.core.djangoapps.content.block_structure.models.log')
-    @patch.dict(settings.BLOCK_STRUCTURES_SETTINGS, {'PRUNING_ACTIVE': False})
     def test_update_or_create(self, mock_log):
         serialized_data = 'initial data'