diff --git a/.env b/.env
index 5448bbe..1ddf9b2 100644
--- a/.env
+++ b/.env
@@ -11,10 +11,6 @@ MODEL_BASE_DIR=./model
 # make sure to get a valid endpoint from a CODEOWNER
 S3_ENDPOINT_URL=https://some_url
 
-# default bucket and subdir
-S3_BUCKET=x-omg-daan-av
-S3_FOLDER_IN_BUCKET=assets
-
 # your AWS credentials for the S3 bucket in question
 AWS_ACCESS_KEY_ID=your-key-id
 AWS_SECRET_ACCESS_KEY=your-secret-access-key
diff --git a/asr.py b/asr.py
index 11e97b8..d2c5941 100644
--- a/asr.py
+++ b/asr.py
@@ -11,8 +11,6 @@
 )
 from config import (
     s3_endpoint_url,
-    s3_bucket,
-    s3_folder_in_bucket,
     w_word_timestamps,
     w_device,
     w_model,
@@ -23,7 +21,7 @@
 
 from download import download_uri
 from whisper import run_asr, WHISPER_JSON_FILE
-from s3_util import S3Store
+from s3_util import S3Store, parse_s3_uri
 from transcode import try_transcode
 from daan_transcript import generate_daan_transcript, DAAN_JSON_FILE
 
@@ -142,30 +140,21 @@ def run(input_uri: str, output_uri: str, model=None) -> bool:
     return True
 
 
-# if (S3) output_uri is supplied transfers data to (S3) location
-def transfer_asr_output(output_path: str, asset_id: str) -> bool:
-    logger.info(f"Transferring {output_path} to S3 (asset={asset_id})")
-    if any(
-        [
-            not x
-            for x in [
-                s3_endpoint_url,
-                s3_bucket,
-                s3_folder_in_bucket,
-            ]
-        ]
-    ):
+# if S3 output_uri is supplied transfers data to S3 location
+def transfer_asr_output(output_path: str, output_uri: str) -> bool:
+    logger.info(f"Transferring {output_path} to S3 (destination={output_uri})")
+    if not s3_endpoint_url:
         logger.warning(
-            "TRANSFER_ON_COMPLETION configured without all the necessary S3 settings"
+            "Transfer to S3 configured without an S3_ENDPOINT_URL!"
         )
         return False
 
+    s3_bucket, s3_folder_in_bucket = parse_s3_uri(output_uri)
+
     s3 = S3Store(s3_endpoint_url)
     return s3.transfer_to_s3(
         s3_bucket,
-        os.path.join(
-            s3_folder_in_bucket, asset_id
-        ),  # assets/<program ID>__<carrier ID>
+        s3_folder_in_bucket,
         [
             os.path.join(output_path, DAAN_JSON_FILE),
             os.path.join(output_path, WHISPER_JSON_FILE),
diff --git a/config.py b/config.py
index 143667c..52af57a 100644
--- a/config.py
+++ b/config.py
@@ -35,10 +35,8 @@ def assert_tuple(param: str) -> str:
 data_base_dir = os.environ.get("DATA_BASE_DIR", "")
 model_base_dir = os.environ.get("MODEL_BASE_DIR", "")
 
-# s3 connection params
+# s3 connection param
 s3_endpoint_url = os.environ.get("S3_ENDPOINT_URL", "")
-s3_bucket = os.environ.get("S3_BUCKET", "")
-s3_folder_in_bucket = os.environ.get("S3_FOLDER_IN_BUCKET", "")
 
 # Whisper params
 w_word_timestamps = assert_bool("W_WORD_TIMESTAMPS")
@@ -70,10 +68,8 @@ def assert_tuple(param: str) -> str:
 assert model_base_dir not in [".", "/"], "Please enter an absolute, non-root path"
 assert os.path.exists(model_base_dir), "MODEL_BASE_DIR does not exist"
 
-if s3_bucket or s3_endpoint_url or s3_folder_in_bucket:
-    assert s3_bucket, "Please enter the S3_BUCKET to use"
+if s3_endpoint_url:
     assert validators.url(s3_endpoint_url), "Please enter a valid S3_ENDPOINT_URL"
-    assert s3_folder_in_bucket, "Please enter a path within the supplied S3 bucket"
 
 
 assert w_device in ["cuda", "cpu"], "Please use either cuda|cpu for W_DEVICE"