diff --git a/publish_pipeline/generate_high_level_metadata/generate_changelog.py b/publish_pipeline/generate_high_level_metadata/generate_changelog.py
index 8d0023f..bc3c086 100644
--- a/publish_pipeline/generate_high_level_metadata/generate_changelog.py
+++ b/publish_pipeline/generate_high_level_metadata/generate_changelog.py
@@ -1,7 +1,6 @@
 import datetime
 import pathlib
 import tempfile
-import uuid
 
 import azure.storage.blob as azureblob
 import psycopg2
@@ -25,7 +24,7 @@ def pipeline():
 
     cur = conn.cursor()
 
-    study_id = "c588f59c-cacb-4e52-99dd-95b37dcbfd5c"
+    # study_id = "c588f59c-cacb-4e52-99dd-95b37dcbfd5c"
     dataset_id = "af4be921-e507-41a9-9328-4cbb4b7dca1c"
     version_id = "3880f581-e142-44ea-bc4c-10242eca7d75"
 
diff --git a/publish_pipeline/generate_high_level_metadata/generate_discovery_metadata.py b/publish_pipeline/generate_high_level_metadata/generate_discovery_metadata.py
index 8045264..88a67fe 100644
--- a/publish_pipeline/generate_high_level_metadata/generate_discovery_metadata.py
+++ b/publish_pipeline/generate_high_level_metadata/generate_discovery_metadata.py
@@ -2,13 +2,9 @@
 """Process environmental sensor data files"""
 
 import datetime
-import pathlib
-import tempfile
 import uuid
 
-import azure.storage.blob as azureblob
 import psycopg2
-import pyfairdatatools
 
 import config
 
diff --git a/publish_pipeline/generate_high_level_metadata/generate_license.py b/publish_pipeline/generate_high_level_metadata/generate_license.py
index 6d0ee4e..334eaf4 100644
--- a/publish_pipeline/generate_high_level_metadata/generate_license.py
+++ b/publish_pipeline/generate_high_level_metadata/generate_license.py
@@ -1,11 +1,7 @@
 import datetime
-import pathlib
-import tempfile
-import uuid
 
 import azure.storage.blob as azureblob
 import psycopg2
-import pyfairdatatools
 
 import config