diff --git a/materializationengine/workflows/complete_workflow.py b/materializationengine/workflows/complete_workflow.py
index 847334ec..2083fb3f 100644
--- a/materializationengine/workflows/complete_workflow.py
+++ b/materializationengine/workflows/complete_workflow.py
@@ -17,6 +17,7 @@
     format_materialization_database_workflow,
     rebuild_reference_tables,
     set_version_status,
+    clean_split_table_workflow,
 )
 from materializationengine.workflows.ingest_new_annotations import (
     ingest_new_annotations_workflow,
@@ -99,8 +100,10 @@ def run_complete_workflow(
             check_tables.si(mat_info, new_version_number),
         )
     else:
+        clean_split_tables = clean_split_table_workflow(mat_info=mat_info)
         analysis_database_workflow = chain(
-            check_tables.si(mat_info, new_version_number)
+            chord(clean_split_tables, fin.si()),
+            check_tables.si(mat_info, new_version_number),
         )
 
     # combine all workflows into final workflow and run
diff --git a/materializationengine/workflows/create_frozen_database.py b/materializationengine/workflows/create_frozen_database.py
index b7a13e8e..2063dec6 100644
--- a/materializationengine/workflows/create_frozen_database.py
+++ b/materializationengine/workflows/create_frozen_database.py
@@ -183,6 +183,26 @@ def format_materialization_database_workflow(mat_info: List[dict]):
     return create_frozen_database_tasks
 
 
+def clean_split_table_workflow(mat_info: List[dict]):
+    """Remove rows from all tables that are past the materialization timestamp
+    or deleted or are not valid.
+
+    Workflow:
+        - Iterate through all tables and drop non-valid rows
+
+    Args:
+        mat_info (dict): materialization metadata information
+
+    Returns:
+        chain: chain of celery tasks
+    """
+    clean_table_tasks = []
+    for mat_metadata in mat_info:
+        clean_table_workflow = chain(clean_table.si(mat_metadata))
+        clean_table_tasks.append(clean_table_workflow)
+    return clean_table_tasks
+
+
 @celery.task(
     name="workflow:rebuild_reference_tables",
     bind=True,
@@ -399,7 +419,6 @@ def create_materialized_metadata(
         celery_logger.error(f"Materialized Metadata table creation failed {e}")
     try:
         for mat_metadata in mat_info:
-
             # only create table if marked as valid in the metadata table
             annotation_table_name = mat_metadata["annotation_table_name"]
             schema_type = mat_metadata["schema"]
@@ -717,6 +736,53 @@ def merge_tables(self, mat_metadata: dict):
         raise e
 
 
+@celery.task(
+    name="workflow:clean_table",
+    bind=True,
+    acks_late=True,
+    autoretry_for=(Exception,),
+    max_retries=3,
+)
+def clean_table(self, mat_metadata: dict):
+    """Remove non-valid rows from a table.
+
+    Args:
+        mat_metadata (dict): datastack info for the aligned_volume from the infoservice
+
+
+    Raises:
+        e: error during dropping rows
+
+    Returns:
+        str: number of rows copied
+    """
+    analysis_version = mat_metadata["analysis_version"]
+    datastack = mat_metadata["datastack"]
+    mat_time_stamp = mat_metadata["materialization_time_stamp"]
+    SQL_URI_CONFIG = get_config_param("SQLALCHEMY_DATABASE_URI")
+    analysis_sql_uri = create_analysis_sql_uri(
+        SQL_URI_CONFIG, datastack, analysis_version
+    )
+    mat_session, mat_engine = create_session(analysis_sql_uri)
+
+    AnnotationModel = create_annotation_model(mat_metadata, with_crud_columns=True)
+    non_valid_rows = mat_session.query(AnnotationModel).filter(
+        (AnnotationModel.created > mat_time_stamp) | (AnnotationModel.valid != True)
+    )
+
+    try:
+        num_rows_to_delete = non_valid_rows.delete(synchronize_session=False)
+        mat_session.commit()
+
+        mat_session.close()
+        mat_engine.dispose()
+        return f"Number of rows deleted: {num_rows_to_delete}"
+    except Exception as e:
+        mat_session.rollback()
+        celery_logger.error(e)
+        raise e
+
+
 def insert_chunked_data(
     annotation_table_name: str,
     sql_statement: str,
diff --git a/migrate.py b/migrate.py
index 14bbfb2d..5097b2bf 100644
--- a/migrate.py
+++ b/migrate.py
@@ -68,5 +68,28 @@ def migrate_annotation_schemas(sql_url: str, aligned_volume: str, dry_run: bool
     click.echo(migrations)
 
 
+@migrator.command(help="Alter constraint on DELETE")
+@click.option(
+    "--sql_url",
+    prompt=True,
+    default=lambda: application.config["SQLALCHEMY_DATABASE_URI"],
+    show_default="SQL URL from config",
+)
+@click.option(
+    "-a",
+    "--aligned_volume",
+    prompt="Target Aligned Volume",
+    help="Aligned Volume database to migrate",
+    type=click.Choice(get_allowed_aligned_volumes()),
+)
+@click.option(
+    "--dry_run", prompt="Dry Run", help="Test migration before running", default=True
+)
+def migrate_foreign_key_constraints(sql_url: str, aligned_volume: str, dry_run: bool = True):
+    migrator = DynamicMigration(sql_url, aligned_volume)
+    fkey_constraint_mapping = migrator.apply_cascade_option_to_tables(dry_run=dry_run)
+    click.echo(fkey_constraint_mapping)
+
+
 if __name__ == "__main__":
     migrator()
diff --git a/requirements.in b/requirements.in
index b0035bfd..c542df50 100644
--- a/requirements.in
+++ b/requirements.in
@@ -26,7 +26,7 @@ gcsfs>=0.8.0
 pyarrow==3.0.0
 flask_cors
 numpy>=1.20
-emannotationschemas>=5.4.0
+emannotationschemas>=5.8.0
+dynamicannotationdb>=5.7.2
+nglui>=2.10.1
 Flask-Limiter[redis]
-dynamicannotationdb>=5.7.1
-nglui>=2.10.1
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 0f34e199..28fc9a2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -119,9 +119,9 @@ dill==0.3.4
     #   pathos
 dracopy==1.0.1
     # via cloud-volume
-dynamicannotationdb==5.7.1
+dynamicannotationdb==5.7.2
     # via -r requirements.in
-emannotationschemas==5.7.1
+emannotationschemas==5.8.0
     # via
     #   -r requirements.in
     #   dynamicannotationdb