diff --git a/.env b/.env
index a27f6ba0..775b0b7d 100644
--- a/.env
+++ b/.env
@@ -77,11 +77,6 @@ TIDEPOOL_DOCKER_PLATFORM_BLOB_DIR=platform/src/github.com/tidepool-org/platform
 TIDEPOOL_DOCKER_PLATFORM_BLOB_HOST=platform-blob
 TIDEPOOL_DOCKER_PLATFORM_BLOB_PORT_PREFIX=
 TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_SECRET=Service secret used for interservice requests with the blob service
-# old config removed in https://github.com/tidepool-org/development/pull/250
-TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_TYPE=file
-TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_FILE_DIRECTORY=_data/blobs
-TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_BUCKET=
-TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_PREFIX=
 
 TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_TYPE=file
 TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_FILE_DIRECTORY=_data/blobs
diff --git a/charts/tidepool/charts/blob/templates/1-deployment.yaml b/charts/tidepool/charts/blob/templates/1-deployment.yaml
index 2ea3dbc6..bee1fada 100644
--- a/charts/tidepool/charts/blob/templates/1-deployment.yaml
+++ b/charts/tidepool/charts/blob/templates/1-deployment.yaml
@@ -56,14 +56,6 @@ spec:
               key: ServiceAuth
         - name: TIDEPOOL_BLOB_SERVICE_SERVER_ADDRESS
           value: :{{.Values.global.ports.blob}}
-        - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_FILE_DIRECTORY
-          value: '{{.Values.deployment.env.store.file.directory}}'
-        - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_BUCKET
-          value: '{{ .Values.deployment.env.store.s3.bucket }}'
-        - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_PREFIX
-          value: '{{.Values.deployment.env.store.s3.prefix}}'
-        - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_TYPE
-          value: '{{.Values.deployment.env.store.type}}'
         - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_FILE_DIRECTORY
           value: '{{.Values.deployment.env.blobs.store.file.directory}}'
         - name: TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_S3_BUCKET
diff --git a/charts/tidepool/charts/blob/values.yaml b/charts/tidepool/charts/blob/values.yaml
index 54c67b35..adf16e07 100644
--- a/charts/tidepool/charts/blob/values.yaml
+++ b/charts/tidepool/charts/blob/values.yaml
@@ -9,18 +9,6 @@ deployment:
   # -- default Docker image
   image: tidepool/platform-blob:master-latest
   env:
-    # old config removed in https://github.com/tidepool-org/development/pull/250
-    store:
-      s3:
-        # -- S3 bucket where blob data is written
-        bucket: "data"
-        prefix: "blobs"
-      file:
-        prefix: "blobs"
-        # -- directory to use when storing blobs on file storage
-        directory: "_data/blobs" 
-      # -- if `s3`, store blob data in Amazon S3. If `file` store blob data in local files.
-      type: file
     blobs:
       store:
         s3:
diff --git a/docker-compose.yml b/docker-compose.yml
index 4e98a6aa..d37cbe55 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -271,11 +271,6 @@ services:
       TIDEPOOL_TASK_SERVICE_SERVER_ADDRESS: :${TIDEPOOL_DOCKER_PLATFORM_TASK_PORT_PREFIX}9224
       TIDEPOOL_USER_SERVICE_SERVER_ADDRESS: :${TIDEPOOL_DOCKER_PLATFORM_USER_PORT_PREFIX}9221
       TIDEPOOL_AUTH_SERVICE_DOMAIN: ${TIDEPOOL_DOCKER_API_HOST}
-      # old config removed in https://github.com/tidepool-org/development/pull/250
-      TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_TYPE: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_TYPE}
-      TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_FILE_DIRECTORY: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_FILE_DIRECTORY}
-      TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_BUCKET: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_BUCKET}
-      TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_PREFIX: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_STORE_S3_PREFIX}
       TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_TYPE: ${TIDEPOOL_DOCKER_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_TYPE}
       TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_FILE_DIRECTORY: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_FILE_DIRECTORY}
       TIDEPOOL_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_S3_BUCKET: ${TIDEPOOL_DOCKER_PLATFORM_BLOB_SERVICE_UNSTRUCTURED_BLOBS_STORE_S3_BUCKET}