diff --git a/openedx/core/djangoapps/content/block_structure/config/__init__.py b/openedx/core/djangoapps/content/block_structure/config/__init__.py
index 194dfa9ee2..9bac61bf9b 100644
--- a/openedx/core/djangoapps/content/block_structure/config/__init__.py
+++ b/openedx/core/djangoapps/content/block_structure/config/__init__.py
@@ -48,24 +48,6 @@ STORAGE_BACKING_FOR_CACHE = WaffleSwitch(
     "block_structure.storage_backing_for_cache", __name__
 )
 
-# .. toggle_name: block_structure.raise_error_when_not_found
-# .. toggle_implementation: WaffleSwitch
-# .. toggle_default: False
-# .. toggle_description: Raises an error if the requested block structure does not exist in block
-#   structure store, or if it is outdated. Block structure store refers to both cache and storage,
-#   if enabled.
-# .. toggle_warning: This switch will likely be deprecated and removed.
-#   The annotation will be updated with the DEPR ticket once that process has started.
-# .. toggle_use_cases: temporary
-# .. toggle_creation_date: 2017-02-23
-# .. toggle_target_removal_date: 2017-05-23
-# .. toggle_tickets: https://github.com/openedx/edx-platform/pull/14512,
-#   https://github.com/openedx/edx-platform/pull/14770,
-#   https://openedx.atlassian.net/browse/DEPR-143
-RAISE_ERROR_WHEN_NOT_FOUND = WaffleSwitch(
-    "block_structure.raise_error_when_not_found", __name__
-)
-
 
 def enable_storage_backing_for_cache_in_request():
     """
diff --git a/openedx/core/djangoapps/content/block_structure/manager.py b/openedx/core/djangoapps/content/block_structure/manager.py
index e063ed7a35..2f8a041c31 100644
--- a/openedx/core/djangoapps/content/block_structure/manager.py
+++ b/openedx/core/djangoapps/content/block_structure/manager.py
@@ -6,7 +6,6 @@ BlockStructures.
 
 from contextlib import contextmanager
 
-from . import config
 from .exceptions import BlockStructureNotFound, TransformerDataIncompatible, UsageKeyNotInBlockStructure
 from .factory import BlockStructureFactory
 from .store import BlockStructureStore
@@ -100,8 +99,6 @@ class BlockStructureManager:
             BlockStructureTransformers.verify_versions(block_structure)
 
         except (BlockStructureNotFound, TransformerDataIncompatible):
-            if config.RAISE_ERROR_WHEN_NOT_FOUND.is_enabled():
-                raise
             block_structure = self._update_collected()
 
         return block_structure
diff --git a/openedx/core/djangoapps/content/block_structure/tests/test_manager.py b/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
index a96f8e5bc8..a7ff603a8c 100644
--- a/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
+++ b/openedx/core/djangoapps/content/block_structure/tests/test_manager.py
@@ -8,7 +8,7 @@ from django.test import TestCase
 from edx_toggles.toggles.testutils import override_waffle_switch
 
 from ..block_structure import BlockStructureBlockData
-from ..config import RAISE_ERROR_WHEN_NOT_FOUND, STORAGE_BACKING_FOR_CACHE
+from ..config import STORAGE_BACKING_FOR_CACHE
 from ..exceptions import BlockStructureNotFound, UsageKeyNotInBlockStructure
 from ..manager import BlockStructureManager
 from ..transformers import BlockStructureTransformers
@@ -177,12 +177,6 @@ class TestBlockStructureManager(UsageKeyFactoryMixin, ChildrenMapTestMixin, Test
         self.collect_and_verify(expect_modulestore_called=False, expect_cache_updated=False)
         assert TestTransformer1.collect_call_count == 1
 
-    def test_get_collected_error_raised(self):
-        with override_waffle_switch(RAISE_ERROR_WHEN_NOT_FOUND, active=True):
-            with mock_registered_transformers(self.registered_transformers):
-                with pytest.raises(BlockStructureNotFound):
-                    self.bs_manager.get_collected()
-
     @ddt.data(True, False)
     def test_update_collected_if_needed(self, with_storage_backing):
         with override_waffle_switch(STORAGE_BACKING_FOR_CACHE, active=with_storage_backing):