diff --git a/cms/djangoapps/contentstore/helpers.py b/cms/djangoapps/contentstore/helpers.py
index 965ab582e738..a4ece6c85d59 100644
--- a/cms/djangoapps/contentstore/helpers.py
+++ b/cms/djangoapps/contentstore/helpers.py
@@ -319,10 +319,15 @@ def _import_xml_node_to_parent(
     parent_key = parent_xblock.scope_ids.usage_id
     block_type = node.tag
 
+    # Modulestore's IdGenerator here is SplitMongoIdManager which is assigned
+    # by CachingDescriptorSystem Runtime and since we need our custom ImportIdGenerator
+    # here we are temporaraliy swtiching it.
+    original_id_generator = runtime.id_generator
+
     # Generate the new ID:
-    id_generator = ImportIdGenerator(parent_key.context_key)
-    def_id = id_generator.create_definition(block_type, slug_hint)
-    usage_id = id_generator.create_usage(def_id)
+    runtime.id_generator = ImportIdGenerator(parent_key.context_key)
+    def_id = runtime.id_generator.create_definition(block_type, slug_hint)
+    usage_id = runtime.id_generator.create_usage(def_id)
     keys = ScopeIds(None, block_type, def_id, usage_id)
     # parse_xml is a really messy API. We pass both 'keys' and 'id_generator' and, depending on the XBlock, either
     # one may be used to determine the new XBlock's usage key, and the other will be ignored. e.g. video ignores
@@ -348,7 +353,7 @@ def _import_xml_node_to_parent(
 
     if not xblock_class.has_children:
         # No children to worry about. The XML may contain child nodes, but they're not XBlocks.
-        temp_xblock = xblock_class.parse_xml(node, runtime, keys, id_generator)
+        temp_xblock = xblock_class.parse_xml(node, runtime, keys)
     else:
         # We have to handle the children ourselves, because there are lots of complex interactions between
         #    * the vanilla XBlock parse_xml() method, and its lack of API for "create and save a new XBlock"
@@ -358,8 +363,12 @@ def _import_xml_node_to_parent(
         # serialization of a child block, in order. For blocks that don't support children, their XML content/nodes
         # could be anything (e.g. HTML, capa)
         node_without_children = etree.Element(node.tag, **node.attrib)
-        temp_xblock = xblock_class.parse_xml(node_without_children, runtime, keys, id_generator)
+        temp_xblock = xblock_class.parse_xml(node_without_children, runtime, keys)
         child_nodes = list(node)
+
+    # Restore the original id_generator
+    runtime.id_generator = original_id_generator
+
     if xblock_class.has_children and temp_xblock.children:
         raise NotImplementedError("We don't yet support pasting XBlocks with children")
     temp_xblock.parent = parent_key
diff --git a/lms/djangoapps/courseware/tests/test_video_mongo.py b/lms/djangoapps/courseware/tests/test_video_mongo.py
index c1df491f47a4..d45bb94816b9 100644
--- a/lms/djangoapps/courseware/tests/test_video_mongo.py
+++ b/lms/djangoapps/courseware/tests/test_video_mongo.py
@@ -2025,16 +2025,16 @@ def test_import_val_data_internal(self):
             val_transcript_provider=val_transcript_provider
         )
         xml_object = etree.fromstring(xml_data)
-        id_generator = Mock()
-        id_generator.target_course_id = "test_course_id"
-        video = self.block.parse_xml(xml_object, module_system, None, id_generator)
+        module_system.id_generator.target_course_id = "test_course_id"
+
+        video = self.block.parse_xml(xml_object, module_system, None)
 
         assert video.edx_video_id == 'test_edx_video_id'
         video_data = get_video_info(video.edx_video_id)
         assert video_data['client_video_id'] == 'test_client_video_id'
         assert video_data['duration'] == 111.0
         assert video_data['status'] == 'imported'
-        assert video_data['courses'] == [{id_generator.target_course_id: None}]
+        assert video_data['courses'] == [{module_system.id_generator.target_course_id: None}]
         assert video_data['encoded_videos'][0]['profile'] == 'mobile'
         assert video_data['encoded_videos'][0]['url'] == 'http://example.com/video'
         assert video_data['encoded_videos'][0]['file_size'] == 222
@@ -2075,12 +2075,11 @@ def test_import_no_video_id(self):
         xml_data = """<video><video_asset></video_asset></video>"""
         xml_object = etree.fromstring(xml_data)
         module_system = DummySystem(load_error_blocks=True)
-        id_generator = Mock()
 
         # Verify edx_video_id is empty before.
         assert self.block.edx_video_id == ''
 
-        video = self.block.parse_xml(xml_object, module_system, None, id_generator)
+        video = self.block.parse_xml(xml_object, module_system, None)
 
         # Verify edx_video_id is populated after the import.
         assert video.edx_video_id != ''
@@ -2112,7 +2111,6 @@ def test_import_val_transcript(self):
         )
         xml_object = etree.fromstring(xml_data)
         module_system = DummySystem(load_error_blocks=True)
-        id_generator = Mock()
 
         # Create static directory in import file system and place transcript files inside it.
         module_system.resources_fs.makedirs(EXPORT_IMPORT_STATIC_DIR, recreate=True)
@@ -2128,7 +2126,7 @@ def test_import_val_transcript(self):
         # Verify edx_video_id is empty before.
         assert self.block.edx_video_id == ''
 
-        video = self.block.parse_xml(xml_object, module_system, None, id_generator)
+        video = self.block.parse_xml(xml_object, module_system, None)
 
         # Verify edx_video_id is populated after the import.
         assert video.edx_video_id != ''
@@ -2218,7 +2216,6 @@ def test_import_val_transcript_priority(self, sub_id, external_transcripts, val_
         language_code = 'en'
 
         module_system = DummySystem(load_error_blocks=True)
-        id_generator = Mock()
 
         # Create static directory in import file system and place transcript files inside it.
         module_system.resources_fs.makedirs(EXPORT_IMPORT_STATIC_DIR, recreate=True)
@@ -2270,7 +2267,7 @@ def test_import_val_transcript_priority(self, sub_id, external_transcripts, val_
         # Verify edx_video_id is empty before import.
         assert self.block.edx_video_id == ''
 
-        video = self.block.parse_xml(xml_object, module_system, None, id_generator)
+        video = self.block.parse_xml(xml_object, module_system, None)
 
         # Verify edx_video_id is not empty after import.
         assert video.edx_video_id != ''
@@ -2298,7 +2295,7 @@ def test_import_val_data_invalid(self):
         """
         xml_object = etree.fromstring(xml_data)
         with pytest.raises(ValCannotCreateError):
-            VideoBlock.parse_xml(xml_object, module_system, None, id_generator=Mock())
+            VideoBlock.parse_xml(xml_object, module_system, None)
         with pytest.raises(ValVideoNotFoundError):
             get_video_info("test_edx_video_id")
 
diff --git a/openedx/core/djangoapps/xblock/runtime/learning_core_runtime.py b/openedx/core/djangoapps/xblock/runtime/learning_core_runtime.py
index f476e36c7f8e..2875c4b468d5 100644
--- a/openedx/core/djangoapps/xblock/runtime/learning_core_runtime.py
+++ b/openedx/core/djangoapps/xblock/runtime/learning_core_runtime.py
@@ -205,7 +205,7 @@ def get_block(self, usage_key, for_parent=None):
             # plus some minor additional lines of code as needed.
             block = block_class.parse_xml_new_runtime(xml_node, runtime=self, keys=keys)
         else:
-            block = block_class.parse_xml(xml_node, runtime=self, keys=keys, id_generator=None)
+            block = block_class.parse_xml(xml_node, runtime=self, keys=keys)
 
         # Update field data with parsed values. We can't call .save() because it will call save_block(), below.
         block.force_save_fields(block._get_fields_to_save())  # pylint: disable=protected-access
diff --git a/openedx/core/djangoapps/xblock/runtime/runtime.py b/openedx/core/djangoapps/xblock/runtime/runtime.py
index 09f5fa93a0e2..15e0f3f0617e 100644
--- a/openedx/core/djangoapps/xblock/runtime/runtime.py
+++ b/openedx/core/djangoapps/xblock/runtime/runtime.py
@@ -217,11 +217,11 @@ def applicable_aside_types(self, block: XBlock):
         """ Disable XBlock asides in this runtime """
         return []
 
-    def parse_xml_file(self, fileobj, id_generator=None):
+    def parse_xml_file(self, fileobj):
         # Deny access to the inherited method
         raise NotImplementedError("XML Serialization is only supported with BlockstoreXBlockRuntime")
 
-    def add_node_as_child(self, block, node, id_generator=None):
+    def add_node_as_child(self, block, node):
         """
         Called by XBlock.parse_xml to treat a child node as a child block.
         """
diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index ebc730ba51cf..36cc3f27c375 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -6,7 +6,7 @@
 #
 -e git+https://github.com/anupdhabarde/edx-proctoring-proctortrack.git@31c6c9923a51c903ae83760ecbbac191363aa2a2#egg=edx_proctoring_proctortrack
     # via -r requirements/edx/github.in
-acid-xblock==0.2.1
+acid-xblock==0.3.0
     # via -r requirements/edx/kernel.in
 aiohttp==3.9.3
     # via
@@ -528,7 +528,7 @@ edx-rest-api-client==5.6.1
     #   edx-proctoring
 edx-search==3.9.1
     # via -r requirements/edx/kernel.in
-edx-sga==0.23.1
+edx-sga==0.24.1
     # via -r requirements/edx/bundled.in
 edx-submissions==3.7.0
     # via
@@ -804,7 +804,7 @@ optimizely-sdk==4.1.1
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/bundled.in
-ora2==6.5.1
+ora2==6.6.1
     # via -r requirements/edx/bundled.in
 packaging==23.2
     # via
@@ -1222,7 +1222,7 @@ webob==1.8.7
     #   xblock
 wrapt==1.16.0
     # via -r requirements/edx/paver.txt
-xblock[django]==1.10.0
+xblock[django]==2.0.0
     # via
     #   -r requirements/edx/kernel.in
     #   acid-xblock
diff --git a/requirements/edx/development.txt b/requirements/edx/development.txt
index d588943fa93a..28d0b07a5c4f 100644
--- a/requirements/edx/development.txt
+++ b/requirements/edx/development.txt
@@ -12,7 +12,7 @@ accessible-pygments==0.0.4
     # via
     #   -r requirements/edx/doc.txt
     #   pydata-sphinx-theme
-acid-xblock==0.2.1
+acid-xblock==0.3.0
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
@@ -825,7 +825,7 @@ edx-search==3.9.1
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
-edx-sga==0.23.1
+edx-sga==0.24.1
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
@@ -1333,7 +1333,7 @@ optimizely-sdk==4.1.1
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
-ora2==6.5.1
+ora2==6.6.1
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
@@ -2185,7 +2185,7 @@ wrapt==1.16.0
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
     #   astroid
-xblock[django]==1.10.0
+xblock[django]==2.0.0
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt
diff --git a/requirements/edx/doc.txt b/requirements/edx/doc.txt
index 95adaba47f9a..516e428e7b62 100644
--- a/requirements/edx/doc.txt
+++ b/requirements/edx/doc.txt
@@ -8,7 +8,7 @@
     # via -r requirements/edx/base.txt
 accessible-pygments==0.0.4
     # via pydata-sphinx-theme
-acid-xblock==0.2.1
+acid-xblock==0.3.0
     # via -r requirements/edx/base.txt
 aiohttp==3.9.3
     # via
@@ -607,7 +607,7 @@ edx-rest-api-client==5.6.1
     #   edx-proctoring
 edx-search==3.9.1
     # via -r requirements/edx/base.txt
-edx-sga==0.23.1
+edx-sga==0.24.1
     # via -r requirements/edx/base.txt
 edx-submissions==3.7.0
     # via
@@ -942,7 +942,7 @@ optimizely-sdk==4.1.1
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt
-ora2==6.5.1
+ora2==6.6.1
     # via -r requirements/edx/base.txt
 packaging==23.2
     # via
@@ -1488,7 +1488,7 @@ webob==1.8.7
     #   xblock
 wrapt==1.16.0
     # via -r requirements/edx/base.txt
-xblock[django]==1.10.0
+xblock[django]==2.0.0
     # via
     #   -r requirements/edx/base.txt
     #   acid-xblock
diff --git a/requirements/edx/testing.txt b/requirements/edx/testing.txt
index 184ef626b6a2..88f7b2585cd0 100644
--- a/requirements/edx/testing.txt
+++ b/requirements/edx/testing.txt
@@ -6,7 +6,7 @@
 #
 -e git+https://github.com/anupdhabarde/edx-proctoring-proctortrack.git@31c6c9923a51c903ae83760ecbbac191363aa2a2#egg=edx_proctoring_proctortrack
     # via -r requirements/edx/base.txt
-acid-xblock==0.2.1
+acid-xblock==0.3.0
     # via -r requirements/edx/base.txt
 aiohttp==3.9.3
     # via
@@ -633,7 +633,7 @@ edx-rest-api-client==5.6.1
     #   edx-proctoring
 edx-search==3.9.1
     # via -r requirements/edx/base.txt
-edx-sga==0.23.1
+edx-sga==0.24.1
     # via -r requirements/edx/base.txt
 edx-submissions==3.7.0
     # via
@@ -997,7 +997,7 @@ optimizely-sdk==4.1.1
     # via
     #   -c requirements/edx/../constraints.txt
     #   -r requirements/edx/base.txt
-ora2==6.5.1
+ora2==6.6.1
     # via -r requirements/edx/base.txt
 packaging==23.2
     # via
@@ -1604,7 +1604,7 @@ wrapt==1.16.0
     # via
     #   -r requirements/edx/base.txt
     #   astroid
-xblock[django]==1.10.0
+xblock[django]==2.0.0
     # via
     #   -r requirements/edx/base.txt
     #   acid-xblock
diff --git a/xmodule/course_block.py b/xmodule/course_block.py
index ae6d88b7b7b5..a74abdb3f617 100644
--- a/xmodule/course_block.py
+++ b/xmodule/course_block.py
@@ -1166,8 +1166,8 @@ def read_grading_policy(cls, paths, system):
         return policy_str
 
     @classmethod
-    def parse_xml(cls, node, runtime, keys, id_generator):
-        instance = super().parse_xml(node, runtime, keys, id_generator)
+    def parse_xml(cls, node, runtime, keys):
+        instance = super().parse_xml(node, runtime, keys)
 
         policy_dir = None
         url_name = node.get('url_name')
diff --git a/xmodule/discussion_block.py b/xmodule/discussion_block.py
index 943c6359dd16..89e573c07c83 100644
--- a/xmodule/discussion_block.py
+++ b/xmodule/discussion_block.py
@@ -233,7 +233,7 @@ def student_view_data(self):
         return {'topic_id': self.discussion_id}
 
     @classmethod
-    def parse_xml(cls, node, runtime, keys, id_generator):
+    def parse_xml(cls, node, runtime, keys):
         """
         Parses OLX into XBlock.
 
@@ -246,7 +246,7 @@ def parse_xml(cls, node, runtime, keys, id_generator):
         XBlock.parse_xml. Otherwise this method parses file in "discussion" folder (known as definition_xml), applies
         policy.json and updates fields accordingly.
         """
-        block = super().parse_xml(node, runtime, keys, id_generator)
+        block = super().parse_xml(node, runtime, keys)
 
         cls._apply_metadata_and_policy(block, node, runtime)
 
diff --git a/xmodule/error_block.py b/xmodule/error_block.py
index 9ee1d47f6714..a3620be87688 100644
--- a/xmodule/error_block.py
+++ b/xmodule/error_block.py
@@ -178,13 +178,13 @@ def from_xml(cls, xml_data, system, id_generator,  # pylint: disable=arguments-d
         return cls._construct(system, xml_data, error_msg, location=id_generator.create_definition('error'))
 
     @classmethod
-    def parse_xml(cls, node, runtime, keys, id_generator):  # lint-amnesty, pylint: disable=unused-argument
+    def parse_xml(cls, node, runtime, keys):  # lint-amnesty, pylint: disable=unused-argument
         """
         Interpret the parsed XML in `node`, creating an XModuleDescriptor.
         """
         # It'd be great to not reserialize and deserialize the xml
         xml = etree.tostring(node).decode('utf-8')
-        block = cls.from_xml(xml, runtime, id_generator)
+        block = cls.from_xml(xml, runtime, runtime.id_generator)
         return block
 
     def export_to_xml(self, resource_fs):
diff --git a/xmodule/modulestore/xml.py b/xmodule/modulestore/xml.py
index c4a4d66cbf64..738035b19438 100644
--- a/xmodule/modulestore/xml.py
+++ b/xmodule/modulestore/xml.py
@@ -259,7 +259,7 @@ def construct_xblock_from_class(self, cls, scope_ids, field_data=None, *args, **
 
     # id_generator is ignored, because each ImportSystem is already local to
     # a course, and has it's own id_generator already in place
-    def add_node_as_child(self, block, node, id_generator):  # lint-amnesty, pylint: disable=signature-differs
+    def add_node_as_child(self, block, node):  # lint-amnesty, pylint: disable=signature-differs
         child_block = self.process_xml(etree.tostring(node))
         block.children.append(child_block.scope_ids.usage_id)
 
diff --git a/xmodule/raw_block.py b/xmodule/raw_block.py
index 2b88e4a3a266..58b21795f282 100644
--- a/xmodule/raw_block.py
+++ b/xmodule/raw_block.py
@@ -78,7 +78,7 @@ def parse_xml_new_runtime(cls, node, runtime, keys):
         try:
             block = super().parse_xml_new_runtime(node, runtime, keys)
         except AttributeError:
-            block = super().parse_xml(node, runtime, keys, id_generator=None)
+            block = super().parse_xml(node, runtime, keys)
         block.data = data_field_value
         return block
 
diff --git a/xmodule/template_block.py b/xmodule/template_block.py
index c48137125318..e6e69742cfbf 100644
--- a/xmodule/template_block.py
+++ b/xmodule/template_block.py
@@ -130,7 +130,7 @@ class TranslateCustomTagBlock(  # pylint: disable=abstract-method
     resources_dir = None
 
     @classmethod
-    def parse_xml(cls, node, runtime, _keys, _id_generator):
+    def parse_xml(cls, node, runtime, _keys):
         """
         Transforms the xml_data from <$custom_tag attr="" attr=""/> to
         <customtag attr="" attr="" impl="$custom_tag"/>
diff --git a/xmodule/tests/test_discussion.py b/xmodule/tests/test_discussion.py
index 54e95e017e51..4bea706be51f 100644
--- a/xmodule/tests/test_discussion.py
+++ b/xmodule/tests/test_discussion.py
@@ -69,7 +69,6 @@ def setUp(self):
         self.runtime_mock = mock.Mock(spec=Runtime)
         self.runtime_mock.construct_xblock_from_class = mock.Mock(side_effect=self._construct_xblock_mock)
         self.runtime_mock.get_policy = mock.Mock(return_value={})
-        self.id_gen_mock = mock.Mock()
 
     def _construct_xblock_mock(self, cls, keys):  # pylint: disable=unused-argument
         """
@@ -102,7 +101,7 @@ def test_xblock_export_format(self, id_pair, category_pair, target_pair, patched
 
         patched_load_definition_xml.side_effect = Exception("Irrelevant")
 
-        block = DiscussionXBlock.parse_xml(node, self.runtime_mock, self.keys, self.id_gen_mock)
+        block = DiscussionXBlock.parse_xml(node, self.runtime_mock, self.keys)
         try:
             assert block.discussion_id == id_pair.value
             assert block.discussion_category == category_pair.value
@@ -134,7 +133,7 @@ def test_legacy_export_format(self, id_pair, category_pair, target_pair, patched
 
         patched_load_definition_xml.return_value = (definition_node, "irrelevant")
 
-        block = DiscussionXBlock.parse_xml(node, self.runtime_mock, self.keys, self.id_gen_mock)
+        block = DiscussionXBlock.parse_xml(node, self.runtime_mock, self.keys)
         try:
             assert block.discussion_id == id_pair.value
             assert block.discussion_category == category_pair.value
diff --git a/xmodule/tests/test_library_content.py b/xmodule/tests/test_library_content.py
index fd4b97fd546e..e30e19922be5 100644
--- a/xmodule/tests/test_library_content.py
+++ b/xmodule/tests/test_library_content.py
@@ -195,7 +195,7 @@ def test_xml_export_import_cycle(self):
 
         # Now import it.
         olx_element = etree.fromstring(exported_olx)
-        imported_lc_block = LibraryContentBlock.parse_xml(olx_element, self.runtime, None, self.id_generator)
+        imported_lc_block = LibraryContentBlock.parse_xml(olx_element, self.runtime, None)
 
         self._verify_xblock_properties(imported_lc_block)
 
@@ -219,7 +219,7 @@ def test_xml_import_with_comments(self):
 
         # Import the olx.
         olx_element = etree.fromstring(olx_with_comments)
-        imported_lc_block = LibraryContentBlock.parse_xml(olx_element, self.runtime, None, self.id_generator)
+        imported_lc_block = LibraryContentBlock.parse_xml(olx_element, self.runtime, None)
 
         self._verify_xblock_properties(imported_lc_block)
 
diff --git a/xmodule/tests/test_poll.py b/xmodule/tests/test_poll.py
index 6fdf3f4592ce..68bddce43945 100644
--- a/xmodule/tests/test_poll.py
+++ b/xmodule/tests/test_poll.py
@@ -2,7 +2,6 @@
 
 import json
 import unittest
-from unittest.mock import Mock
 
 from opaque_keys.edx.keys import CourseKey
 from xblock.field_data import DictFieldData
@@ -62,8 +61,7 @@ def test_poll_export_with_unescaped_characters_xml(self):
         unescaped characters.
         """
         module_system = DummySystem(load_error_blocks=True)
-        id_generator = Mock()
-        id_generator.target_course_id = self.xblock.course_id
+        module_system.id_generator.target_course_id = self.xblock.course_id
         sample_poll_xml = '''
         <poll_question display_name="Poll Question">
             <p>How old are you?</p>
@@ -72,7 +70,7 @@ def test_poll_export_with_unescaped_characters_xml(self):
         '''
         node = etree.fromstring(sample_poll_xml)
 
-        output = PollBlock.parse_xml(node, module_system, self.scope_ids, id_generator)
+        output = PollBlock.parse_xml(node, module_system, self.scope_ids)
         # Update the answer with invalid character.
         invalid_characters_poll_answer = output.answers[0]
         # Invalid less-than character.
diff --git a/xmodule/tests/test_randomize_block.py b/xmodule/tests/test_randomize_block.py
index 55529050e62f..deebdfe4f1d6 100644
--- a/xmodule/tests/test_randomize_block.py
+++ b/xmodule/tests/test_randomize_block.py
@@ -83,8 +83,7 @@ def test_xml_export_import_cycle(self):
 
         # Now import it.
         olx_element = etree.fromstring(exported_olx)
-        id_generator = Mock()
-        imported_randomize_block = RandomizeBlock.parse_xml(olx_element, runtime, None, id_generator)
+        imported_randomize_block = RandomizeBlock.parse_xml(olx_element, runtime, None)
 
         # Check the new XBlock has the same properties as the old one.
         assert imported_randomize_block.display_name == randomize_block.display_name
diff --git a/xmodule/tests/test_split_test_block.py b/xmodule/tests/test_split_test_block.py
index bfecce065631..1324d3a806ea 100644
--- a/xmodule/tests/test_split_test_block.py
+++ b/xmodule/tests/test_split_test_block.py
@@ -586,8 +586,7 @@ def test_xml_export_import_cycle(self):
 
         # Now import it.
         olx_element = lxml.etree.fromstring(exported_olx)
-        id_generator = Mock()
-        imported_split_test_block = SplitTestBlock.parse_xml(olx_element, runtime, None, id_generator)
+        imported_split_test_block = SplitTestBlock.parse_xml(olx_element, runtime, None)
 
         # Check the new XBlock has the same properties as the old one.
         assert imported_split_test_block.display_name == split_test_block.display_name
diff --git a/xmodule/tests/test_video.py b/xmodule/tests/test_video.py
index e5180843d7c6..5e95f77082b1 100644
--- a/xmodule/tests/test_video.py
+++ b/xmodule/tests/test_video.py
@@ -298,7 +298,7 @@ def test_parse_xml(self):
             </video>
         '''
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': 'izygArpw-Qo',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -344,10 +344,9 @@ def test_parse_xml_when_handout_is_course_asset(self, course_id_string, expected
             </video>
         '''
         xml_object = etree.fromstring(xml_data)
-        id_generator = Mock()
-        id_generator.target_course_id = course_id
+        module_system.id_generator.target_course_id = course_id
 
-        output = VideoBlock.parse_xml(xml_object, module_system, None, id_generator)
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': 'izygArpw-Qo',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -379,7 +378,7 @@ def test_parse_xml_missing_attributes(self):
             </video>
         '''
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': '',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -411,7 +410,7 @@ def test_parse_xml_missing_download_track(self):
             </video>
         '''
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': '',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -435,7 +434,7 @@ def test_parse_xml_no_attributes(self):
         module_system = DummySystem(load_error_blocks=True)
         xml_data = '<video></video>'
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': '',
             'youtube_id_1_0': '3_yD_cEKoCk',
@@ -475,7 +474,7 @@ def test_parse_xml_double_quotes(self):
                 />
         '''
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': 'OEoXaMPEzf65',
             'youtube_id_1_0': 'OEoXaMPEzf10',
@@ -500,7 +499,7 @@ def test_parse_xml_double_quote_concatenated_youtube(self):
             </video>
         '''
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': '',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -534,7 +533,7 @@ def test_old_video_format(self):
             </video>
         """
         xml_object = etree.fromstring(xml_data)
-        output = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        output = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(output, {
             'youtube_id_0_75': 'izygArpw-Qo',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -565,7 +564,7 @@ def test_old_video_data(self):
             </video>
         """
         xml_object = etree.fromstring(xml_data)
-        video = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        video = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(video, {
             'youtube_id_0_75': 'izygArpw-Qo',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -596,7 +595,7 @@ def test_import_with_float_times(self):
             </video>
         """
         xml_object = etree.fromstring(xml_data)
-        video = VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+        video = VideoBlock.parse_xml(xml_object, module_system, None)
         self.assert_attributes_equal(video, {
             'youtube_id_0_75': 'izygArpw-Qo',
             'youtube_id_1_0': 'p2Q6BrNhdh8',
@@ -643,9 +642,8 @@ def mock_val_import(xml, edx_video_id, resource_fs, static_dir, external_transcr
             edx_video_id=edx_video_id
         )
         xml_object = etree.fromstring(xml_data)
-        id_generator = Mock()
-        id_generator.target_course_id = 'test_course_id'
-        video = VideoBlock.parse_xml(xml_object, module_system, None, id_generator)
+        module_system.id_generator.target_course_id = 'test_course_id'
+        video = VideoBlock.parse_xml(xml_object, module_system, None)
 
         self.assert_attributes_equal(video, {'edx_video_id': edx_video_id})
         mock_val_api.import_from_xml.assert_called_once_with(
@@ -671,7 +669,7 @@ def test_import_val_data_invalid(self, mock_val_api):
         """
         xml_object = etree.fromstring(xml_data)
         with pytest.raises(mock_val_api.ValCannotCreateError):
-            VideoBlock.parse_xml(xml_object, module_system, None, Mock())
+            VideoBlock.parse_xml(xml_object, module_system, None)
 
 
 class VideoExportTestCase(VideoBlockTestBase):
diff --git a/xmodule/tests/test_word_cloud.py b/xmodule/tests/test_word_cloud.py
index 79923d7c88fb..6c928465262b 100644
--- a/xmodule/tests/test_word_cloud.py
+++ b/xmodule/tests/test_word_cloud.py
@@ -41,8 +41,8 @@ def test_xml_import_export_cycle(self):
         )
 
         olx_element = etree.fromstring(original_xml)
-        id_generator = Mock()
-        block = WordCloudBlock.parse_xml(olx_element, runtime, None, id_generator)
+        runtime.id_generator = Mock()
+        block = WordCloudBlock.parse_xml(olx_element, runtime, None)
         block.location = BlockUsageLocator(
             CourseLocator('org', 'course', 'run', branch='revision'), 'word_cloud', 'block_id'
         )
diff --git a/xmodule/tests/xml/__init__.py b/xmodule/tests/xml/__init__.py
index 77ca1882f6a3..90545f1b88bb 100644
--- a/xmodule/tests/xml/__init__.py
+++ b/xmodule/tests/xml/__init__.py
@@ -40,6 +40,7 @@ def get_policy(usage_id):
             render_template=lambda template, context: pprint.pformat((template, context)),
             services={'field-data': KvsFieldData(DictKeyValueStore())},
         )
+        self.id_generator = Mock()
 
     def process_xml(self, xml):  # pylint: disable=method-hidden
         """Parse `xml` as an XBlock, and add it to `self._blocks`"""
diff --git a/xmodule/video_block/video_block.py b/xmodule/video_block/video_block.py
index e28b47f56fc6..0df838f90c09 100644
--- a/xmodule/video_block/video_block.py
+++ b/xmodule/video_block/video_block.py
@@ -727,7 +727,7 @@ def parse_xml_new_runtime(cls, node, runtime, keys):
         return video_block
 
     @classmethod
-    def parse_xml(cls, node, runtime, _keys, id_generator):
+    def parse_xml(cls, node, runtime, _keys):
         """
         Use `node` to construct a new block.
 
@@ -735,13 +735,13 @@ def parse_xml(cls, node, runtime, _keys, id_generator):
         """
         url_name = node.get('url_name')
         block_type = 'video'
-        definition_id = id_generator.create_definition(block_type, url_name)
-        usage_id = id_generator.create_usage(definition_id)
+        definition_id = runtime.id_generator.create_definition(block_type, url_name)
+        usage_id = runtime.id_generator.create_usage(definition_id)
         if is_pointer_tag(node):
             filepath = cls._format_filepath(node.tag, name_to_pathname(url_name))
             node = cls.load_file(filepath, runtime.resources_fs, usage_id)
-            runtime.parse_asides(node, definition_id, usage_id, id_generator)
-        field_data = cls.parse_video_xml(node, id_generator)
+            runtime.parse_asides(node, definition_id, usage_id, runtime.id_generator)
+        field_data = cls.parse_video_xml(node, runtime.id_generator)
         kvs = InheritanceKeyValueStore(initial_values=field_data)
         field_data = KvsFieldData(kvs)
         video = runtime.construct_xblock_from_class(
@@ -757,7 +757,7 @@ def parse_xml(cls, node, runtime, _keys, id_generator):
         video.edx_video_id = video.import_video_info_into_val(
             node,
             runtime.resources_fs,
-            getattr(id_generator, 'target_course_id', None)
+            getattr(runtime.id_generator, 'target_course_id', None)
         )
 
         return video
diff --git a/xmodule/x_module.py b/xmodule/x_module.py
index 73588d7cf299..d25012275a5e 100644
--- a/xmodule/x_module.py
+++ b/xmodule/x_module.py
@@ -1529,18 +1529,16 @@ def __init__(self, process_xml, **kwargs):
         super().__init__(**kwargs)
         self.process_xml = process_xml
 
-    def _usage_id_from_node(self, node, parent_id, id_generator=None):
+    def _usage_id_from_node(self, node, parent_id):
         """Create a new usage id from an XML dom node.
 
         Args:
             node (lxml.etree.Element): The DOM node to interpret.
             parent_id: The usage ID of the parent block
-            id_generator (IdGenerator): The :class:`.IdGenerator` to use
-                for creating ids
         Returns:
             UsageKey: the usage key for the new xblock
         """
-        return self.xblock_from_node(node, parent_id, id_generator).scope_ids.usage_id
+        return self.xblock_from_node(node, parent_id, self.id_generator).scope_ids.usage_id
 
     def xblock_from_node(self, node, parent_id, id_generator=None):
         """
@@ -1575,7 +1573,7 @@ def xblock_from_node(self, node, parent_id, id_generator=None):
         aside_children = self.parse_asides(node, def_id, usage_id, id_generator)
         asides_tags = [x.tag for x in aside_children]
 
-        block = block_class.parse_xml(node, self, keys, id_generator)
+        block = block_class.parse_xml(node, self, keys)
         self._convert_reference_fields_to_keys(block)  # difference from XBlock.runtime
         block.parent = parent_id
         block.save()
@@ -1599,7 +1597,7 @@ def parse_asides(self, node, def_id, usage_id, id_generator):
                     aside_children.append(child)
         # now process them & remove them from the xml payload
         for child in aside_children:
-            self._aside_from_xml(child, def_id, usage_id, id_generator)
+            self._aside_from_xml(child, def_id, usage_id)
             node.remove(child)
         return aside_children
 
diff --git a/xmodule/xml_block.py b/xmodule/xml_block.py
index 00e396e4da04..cc118a49ef57 100644
--- a/xmodule/xml_block.py
+++ b/xmodule/xml_block.py
@@ -285,7 +285,7 @@ def apply_policy(cls, metadata, policy):
                 metadata[attr] = value
 
     @classmethod
-    def parse_xml(cls, node, runtime, keys, id_generator):  # pylint: disable=too-many-statements
+    def parse_xml(cls, node, runtime, keys):  # pylint: disable=too-many-statements
         """
         Use `node` to construct a new block.
 
@@ -297,20 +297,15 @@ def parse_xml(cls, node, runtime, keys, id_generator):  # pylint: disable=too-ma
             keys (:class:`.ScopeIds`): The keys identifying where this block
                 will store its data.
 
-            id_generator (:class:`.IdGenerator`): An object that will allow the
-                runtime to generate correct definition and usage ids for
-                children of this block.
-
         Returns (XBlock): The newly parsed XBlock
 
         """
         from xmodule.modulestore.xml import ImportSystem  # done here to avoid circular import
-        if id_generator is None:
-            id_generator = runtime.id_generator
+
         if keys is None:
             # Passing keys=None is against the XBlock API but some platform tests do it.
-            def_id = id_generator.create_definition(node.tag, node.get('url_name'))
-            keys = ScopeIds(None, node.tag, def_id, id_generator.create_usage(def_id))
+            def_id = runtime.id_generator.create_definition(node.tag, node.get('url_name'))
+            keys = ScopeIds(None, node.tag, def_id, runtime.id_generator.create_usage(def_id))
         aside_children = []
 
         # VS[compat]
@@ -324,13 +319,13 @@ def parse_xml(cls, node, runtime, keys, id_generator):  # pylint: disable=too-ma
             # new style:
             # read the actual definition file--named using url_name.replace(':','/')
             definition_xml, filepath = cls.load_definition_xml(node, runtime, keys.def_id)
-            aside_children = runtime.parse_asides(definition_xml, keys.def_id, keys.usage_id, id_generator)
+            aside_children = runtime.parse_asides(definition_xml, keys.def_id, keys.usage_id, runtime.id_generator)
         else:
             filepath = None
             definition_xml = node
 
         # Note: removes metadata.
-        definition, children = cls.load_definition(definition_xml, runtime, keys.def_id, id_generator)
+        definition, children = cls.load_definition(definition_xml, runtime, keys.def_id, runtime.id_generator)
 
         # VS[compat]
         # Make Ike's github preview links work in both old and new file layouts.
@@ -399,7 +394,7 @@ def parse_xml_new_runtime(cls, node, runtime, keys):
         try:
             return super().parse_xml_new_runtime(node, runtime, keys)
         except AttributeError:
-            return super().parse_xml(node, runtime, keys, id_generator=None)
+            return super().parse_xml(node, runtime, keys)
 
     @classmethod
     def load_definition_xml(cls, node, runtime, def_id):