diff --git a/src/sennet_translator.py b/src/sennet_translator.py
index e3d3472..554e4ff 100644
--- a/src/sennet_translator.py
+++ b/src/sennet_translator.py
@@ -186,6 +186,7 @@ def translate_all(self):
                 start = time.time()
                 delete_failure_results = {}
 
+                # Make calls to entity-api to get a list of uuids for entity types
                 source_uuids_list = self._call_entity_api(
                     session=session,
                     endpoint_base="source",
@@ -204,32 +205,30 @@ def translate_all(self):
                     endpoint_suffix="entities",
                     url_property="uuid"
                 )
+                sample_uuids_list = self._call_entity_api(
+                    session=session,
+                    endpoint_base="sample",
+                    endpoint_suffix="entities",
+                    url_property="uuid"
+                )
+                dataset_uuids_list = self._call_entity_api(
+                    session=session,
+                    endpoint_base="dataset",
+                    endpoint_suffix="entities",
+                    url_property="uuid"
+                )
+
+                # Merge into a big list that with no duplicates
+                all_entities_uuids = set(
+                    source_uuids_list
+                    + sample_uuids_list
+                    + dataset_uuids_list
+                    + upload_uuids_list
+                    + collection_uuids_list
+                )
 
                 # Only need this comparison for the live /reindex-all PUT call
                 if not self.skip_comparison:
-                    # Make calls to entity-api to get a list of uuids for rest of entity types
-                    sample_uuids_list = self._call_entity_api(
-                        session=session,
-                        endpoint_base="sample",
-                        endpoint_suffix="entities",
-                        url_property="uuid"
-                    )
-                    dataset_uuids_list = self._call_entity_api(
-                        session=session,
-                        endpoint_base="dataset",
-                        endpoint_suffix="entities",
-                        url_property="uuid"
-                    )
-
-                    # Merge into a big list that with no duplicates
-                    all_entities_uuids = set(
-                        source_uuids_list
-                        + sample_uuids_list
-                        + dataset_uuids_list
-                        + upload_uuids_list
-                        + collection_uuids_list
-                    )
-
                     es_uuids = set()
                     index_names = get_all_reindex_enabled_indice_names(self.INDICES)
 
@@ -250,6 +249,9 @@ def translate_all(self):
                         failures = self._bulk_update(update, index.public, index.url)
                         delete_failure_results[index.public] = failures
 
+                    # No need to update the entities that were just deleted
+                    all_entities_uuids = all_entities_uuids - uuids_to_delete
+
                 failure_results = {}
                 for index in self.index_config:
                     failure_results[index.private] = []
@@ -261,7 +263,8 @@ def translate_all(self):
                 with concurrent.futures.ThreadPoolExecutor() as executor:
                     futures = []
                     for index in self.index_config:
-                        futures.extend([executor.submit(self._upsert_index, uuids, index, session) for uuids in batched_uuids])
+                        for uuids in batched_uuids:
+                            futures.append(executor.submit(self._upsert_index, uuids, index, session))
 
                     for f in concurrent.futures.as_completed(futures):
                         failures = f.result()