diff --git a/config/features.yml b/config/features.yml
index 28bfd610610..1d75967a58b 100644
--- a/config/features.yml
+++ b/config/features.yml
@@ -1020,10 +1020,6 @@ features:
     actor_type: user
     description: Allows veterans to cancel VA appointments
     enable_in_development: true
-  va_online_scheduling_clinic_filtering:
-    actor_type: user
-    description: Allows clinic selection filtering by stop codes
-    enable_in_development: true
   va_online_scheduling_community_care:
     actor_type: user
     description: Allows veterans to submit requests for Community Care appointments
diff --git a/lib/decision_review/utilities/pdf_validation/configuration.rb b/lib/decision_review/utilities/pdf_validation/configuration.rb
index 80f93c24878..75961e382b0 100644
--- a/lib/decision_review/utilities/pdf_validation/configuration.rb
+++ b/lib/decision_review/utilities/pdf_validation/configuration.rb
@@ -4,7 +4,7 @@ module DecisionReview
   module PdfValidation
     class Configuration < DecisionReview::Configuration
       ##
-      # @return [String] Base path for decision review URLs.
+      # @return [String] Base path for PDF validation URL.
       #
       def base_path
         Settings.decision_review.pdf_validation.url
@@ -17,6 +17,19 @@ def service_name
         'DecisionReview::PDFValidation'
       end
 
+      ##
+      # @return [Hash] The basic headers required for any decision review API call.
+      #
+      def self.base_request_headers
+        # Can use regular Decision Reviews API key in lower environments
+        return super unless Rails.env.production?
+
+        # Since we're using the `uploads/validate_document` endpoint under Benefits Intake API,
+        # we need to use their API key. This is pulled from BenefitsIntakeService::Configuration
+        api_key = Settings.benefits_intake_service.api_key || Settings.form526_backup.api_key
+        super.merge('apiKey' => api_key)
+      end
+
       ##
       # Creates the a connection with parsing json and adding breakers functionality.
       #
diff --git a/modules/claims_api/lib/bgs_service/local_bgs.rb b/modules/claims_api/lib/bgs_service/local_bgs.rb
index 9e99d25c9cb..a86683900b3 100644
--- a/modules/claims_api/lib/bgs_service/local_bgs.rb
+++ b/modules/claims_api/lib/bgs_service/local_bgs.rb
@@ -33,8 +33,11 @@ def self.breakers_service
       url = Settings.bgs.url
       path = URI.parse(url).path
       host = URI.parse(url).host
+      port = URI.parse(url).port
       matcher = proc do |request_env|
-        request_env.url.host == host && request_env.url.path =~ /^#{path}/
+        request_env.url.host == host &&
+          request_env.url.port == port &&
+          request_env.url.path =~ /^#{path}/
       end
 
       Breakers::Service.new(
diff --git a/modules/claims_api/spec/fixtures/test_client.p12 b/modules/claims_api/spec/fixtures/test_client.p12
index a253a22f3ed..48fde3d8efa 100644
Binary files a/modules/claims_api/spec/fixtures/test_client.p12 and b/modules/claims_api/spec/fixtures/test_client.p12 differ
diff --git a/modules/vaos/app/services/vaos/v2/systems_service.rb b/modules/vaos/app/services/vaos/v2/systems_service.rb
index 7b8da35423a..32503b2e1a1 100644
--- a/modules/vaos/app/services/vaos/v2/systems_service.rb
+++ b/modules/vaos/app/services/vaos/v2/systems_service.rb
@@ -3,8 +3,6 @@
 module VAOS
   module V2
     class SystemsService < VAOS::SessionService
-      STOP_CODE_FILTERS = :va_online_scheduling_clinic_filtering
-
       def get_facility_clinics(location_id:,
                                clinical_service: nil,
                                clinic_ids: nil,
@@ -21,11 +19,9 @@ def get_facility_clinics(location_id:,
             'pageNumber' => page_number
           }.compact
 
-          #  'clinicalService' is used to retrieve clinics for appointment scheduling,
+          #  'clinicalService' is used when retrieving clinics for appointment scheduling,
           #  triggering stop code filtering to avoid displaying unavailable clinics.
-          if url_params['clinicalService'].present? && Flipper.enabled?(STOP_CODE_FILTERS, user)
-            url_params.merge!('enableStopCodeFilter' => true)
-          end
+          url_params.merge!('enableStopCodeFilter' => true) if url_params['clinicalService'].present?
 
           response = perform(:get, url, url_params, headers)
           response.body[:data].map { |clinic| OpenStruct.new(clinic) }
diff --git a/modules/vba_documents/app/sidekiq/vba_documents/upload_processor.rb b/modules/vba_documents/app/sidekiq/vba_documents/upload_processor.rb
index 43a35c36ffb..6909fec42f0 100644
--- a/modules/vba_documents/app/sidekiq/vba_documents/upload_processor.rb
+++ b/modules/vba_documents/app/sidekiq/vba_documents/upload_processor.rb
@@ -21,8 +21,6 @@ class UploadProcessor
     sidekiq_options unique_for: 30.days
 
     def perform(guid, caller_data, retries = 0)
-      return if cancelled?
-
       response = nil
       brt = Benchmark.realtime do
         # @retries variable used via the CentralMail::Utilities which is included via VBADocuments::UploadValidations
@@ -46,20 +44,6 @@ def perform(guid, caller_data, retries = 0)
       response&.success? ? true : false
     end
 
-    def cancelled?
-      Sidekiq.redis do |c|
-        if c.respond_to? :exists?
-          c.exists?("cancelled-#{jid}")
-        else
-          c.exists("cancelled-#{jid}")
-        end
-      end
-    end
-
-    def self.cancel!(jid)
-      Sidekiq.redis { |c| c.setex("cancelled-#{jid}", 86_400, 1) }
-    end
-
     private
 
     # rubocop:disable Metrics/MethodLength
diff --git a/modules/vba_documents/spec/request/v1/uploads_request_spec.rb b/modules/vba_documents/spec/request/v1/uploads_request_spec.rb
index aec54da50f3..7553ff67406 100644
--- a/modules/vba_documents/spec/request/v1/uploads_request_spec.rb
+++ b/modules/vba_documents/spec/request/v1/uploads_request_spec.rb
@@ -135,7 +135,6 @@
         @md = JSON.parse(valid_metadata)
         @upload_submission = VBADocuments::UploadSubmission.new
         @upload_submission.update(status: 'uploaded')
-        allow_any_instance_of(VBADocuments::UploadProcessor).to receive(:cancelled?).and_return(false)
         allow_any_instance_of(Tempfile).to receive(:size).and_return(1) # must be > 0 or submission will error w/DOC107
         allow(VBADocuments::MultipartParser).to receive(:parse) {
           { 'metadata' => @md.to_json, 'content' => valid_doc }
diff --git a/modules/vba_documents/spec/request/v2/uploads_request_spec.rb b/modules/vba_documents/spec/request/v2/uploads_request_spec.rb
index 4a4e2646cb9..5d74d97bdbd 100644
--- a/modules/vba_documents/spec/request/v2/uploads_request_spec.rb
+++ b/modules/vba_documents/spec/request/v2/uploads_request_spec.rb
@@ -202,7 +202,6 @@
         @md = JSON.parse(valid_metadata)
         @upload_submission = VBADocuments::UploadSubmission.new
         @upload_submission.update(status: 'uploaded')
-        allow_any_instance_of(VBADocuments::UploadProcessor).to receive(:cancelled?).and_return(false)
         allow_any_instance_of(Tempfile).to receive(:size).and_return(1) # must be > 0 or submission will error w/DOC107
         allow(VBADocuments::MultipartParser).to receive(:parse) {
           { 'metadata' => @md.to_json, 'content' => valid_doc }
diff --git a/modules/vba_documents/spec/sidekiq/upload_processor_spec.rb b/modules/vba_documents/spec/sidekiq/upload_processor_spec.rb
index c032d7aa89c..5c6294272eb 100644
--- a/modules/vba_documents/spec/sidekiq/upload_processor_spec.rb
+++ b/modules/vba_documents/spec/sidekiq/upload_processor_spec.rb
@@ -72,7 +72,6 @@
   end
 
   before do
-    allow_any_instance_of(described_class).to receive(:cancelled?).and_return(false)
     allow_any_instance_of(Tempfile).to receive(:size).and_return(1) # must be > 0 or submission will error w/DOC107
     objstore = instance_double(VBADocuments::ObjectStore)
     version = instance_double(Aws::S3::ObjectVersion)