diff --git a/.github/workflows/production_pipeline.yml b/.github/workflows/production_pipeline.yml
index 2ccbbafcd..23bb69c00 100644
--- a/.github/workflows/production_pipeline.yml
+++ b/.github/workflows/production_pipeline.yml
@@ -253,5 +253,4 @@ jobs:
           cf set-env $APP_NAME S3_CONFIG $S3_CONFIG
           cf set-env $APP_NAME CSV_DOWNLOAD_PAAS_INSTANCE $CSV_DOWNLOAD_PAAS_INSTANCE
           cf set-env $APP_NAME SENTRY_DSN $SENTRY_DSN
-          cf set-env $APP_NAME CSV_BUCKET "dluhc-core-production-csv-bucket"
           cf push $APP_NAME --strategy rolling
diff --git a/.github/workflows/review_pipeline.yml b/.github/workflows/review_pipeline.yml
index ae1cb3c27..603a8315c 100644
--- a/.github/workflows/review_pipeline.yml
+++ b/.github/workflows/review_pipeline.yml
@@ -123,7 +123,6 @@ jobs:
           cf set-env $APP_NAME CSV_DOWNLOAD_PAAS_INSTANCE $CSV_DOWNLOAD_PAAS_INSTANCE
           cf set-env $APP_NAME SENTRY_DSN $SENTRY_DSN
           cf set-env $APP_NAME APP_HOST "https://dluhc-core-review-${{ github.event.pull_request.number }}.london.cloudapps.digital"
-          cf set-env $APP_NAME CSV_BUCKET "dluhc-core-review-csv-bucket"
 
       - name: Bind postgres service
         env:
diff --git a/.github/workflows/staging_pipeline.yml b/.github/workflows/staging_pipeline.yml
index 01c7943e8..d59024cd3 100644
--- a/.github/workflows/staging_pipeline.yml
+++ b/.github/workflows/staging_pipeline.yml
@@ -231,5 +231,4 @@ jobs:
           cf set-env $APP_NAME S3_CONFIG $S3_CONFIG
           cf set-env $APP_NAME CSV_DOWNLOAD_PAAS_INSTANCE $CSV_DOWNLOAD_PAAS_INSTANCE
           cf set-env $APP_NAME SENTRY_DSN $SENTRY_DSN
-          cf set-env $APP_NAME CSV_BUCKET "dluhc-core-staging-csv-bucket"
           cf push $APP_NAME --strategy rolling
diff --git a/app/models/forms/bulk_upload_lettings/upload_your_file.rb b/app/models/forms/bulk_upload_lettings/upload_your_file.rb
index d0e1b96d5..55ab77a1d 100644
--- a/app/models/forms/bulk_upload_lettings/upload_your_file.rb
+++ b/app/models/forms/bulk_upload_lettings/upload_your_file.rb
@@ -51,7 +51,7 @@ module Forms
       end
 
       def storage_service
-        @storage_service ||= Storage::S3Service.new(Configuration::PaasConfigurationService.new, ENV["CSV_BUCKET"])
+        @storage_service ||= Storage::S3Service.new(Configuration::PaasConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
       end
 
       def validate_file_is_csv
diff --git a/app/models/forms/bulk_upload_sales/upload_your_file.rb b/app/models/forms/bulk_upload_sales/upload_your_file.rb
index 2ce2769dc..7211d67a7 100644
--- a/app/models/forms/bulk_upload_sales/upload_your_file.rb
+++ b/app/models/forms/bulk_upload_sales/upload_your_file.rb
@@ -51,7 +51,7 @@ module Forms
       end
 
       def storage_service
-        @storage_service ||= Storage::S3Service.new(Configuration::PaasConfigurationService.new, ENV["CSV_BUCKET"])
+        @storage_service ||= Storage::S3Service.new(Configuration::PaasConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
       end
 
       def validate_file_is_csv