diff --git a/generated/google/apis/displayvideo_v1.rb b/generated/google/apis/displayvideo_v1.rb
index 4a454ff1666..5acb9290a88 100644
--- a/generated/google/apis/displayvideo_v1.rb
+++ b/generated/google/apis/displayvideo_v1.rb
@@ -26,7 +26,7 @@ module Apis
     # @see https://developers.google.com/display-video/
     module DisplayvideoV1
       VERSION = 'V1'
-      REVISION = '20201201'
+      REVISION = '20201204'
 
       # Create, see, edit, and permanently delete your Display & Video 360 entities and reports
       AUTH_DISPLAY_VIDEO = 'https://www.googleapis.com/auth/display-video'
diff --git a/generated/google/apis/displayvideo_v1/classes.rb b/generated/google/apis/displayvideo_v1/classes.rb
index cea8e478e94..21c2dfcb474 100644
--- a/generated/google/apis/displayvideo_v1/classes.rb
+++ b/generated/google/apis/displayvideo_v1/classes.rb
@@ -4613,12 +4613,6 @@ class InsertionOrder
         # @return [Fixnum]
         attr_accessor :insertion_order_id
       
-        # The type of insertion order. If this field is unspecified in creation, the
-        # value defaults to `RTB`.
-        # Corresponds to the JSON property `insertionOrderType`
-        # @return [String]
-        attr_accessor :insertion_order_type
-      
         # Integration details of an entry.
         # Corresponds to the JSON property `integrationDetails`
         # @return [Google::Apis::DisplayvideoV1::IntegrationDetails]
@@ -4666,7 +4660,6 @@ def update!(**args)
           @entity_status = args[:entity_status] if args.key?(:entity_status)
           @frequency_cap = args[:frequency_cap] if args.key?(:frequency_cap)
           @insertion_order_id = args[:insertion_order_id] if args.key?(:insertion_order_id)
-          @insertion_order_type = args[:insertion_order_type] if args.key?(:insertion_order_type)
           @integration_details = args[:integration_details] if args.key?(:integration_details)
           @name = args[:name] if args.key?(:name)
           @pacing = args[:pacing] if args.key?(:pacing)
diff --git a/generated/google/apis/displayvideo_v1/representations.rb b/generated/google/apis/displayvideo_v1/representations.rb
index 775c94c7bd0..92e1351a37b 100644
--- a/generated/google/apis/displayvideo_v1/representations.rb
+++ b/generated/google/apis/displayvideo_v1/representations.rb
@@ -2646,7 +2646,6 @@ class Representation < Google::Apis::Core::JsonRepresentation
           property :frequency_cap, as: 'frequencyCap', class: Google::Apis::DisplayvideoV1::FrequencyCap, decorator: Google::Apis::DisplayvideoV1::FrequencyCap::Representation
       
           property :insertion_order_id, :numeric_string => true, as: 'insertionOrderId'
-          property :insertion_order_type, as: 'insertionOrderType'
           property :integration_details, as: 'integrationDetails', class: Google::Apis::DisplayvideoV1::IntegrationDetails, decorator: Google::Apis::DisplayvideoV1::IntegrationDetails::Representation
       
           property :name, as: 'name'
diff --git a/generated/google/apis/displayvideo_v1/synth.metadata b/generated/google/apis/displayvideo_v1/synth.metadata
index 8b31b22f3e9..6411dc01311 100644
--- a/generated/google/apis/displayvideo_v1/synth.metadata
+++ b/generated/google/apis/displayvideo_v1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "1ca7ec3e2f29bdd2184cd075ab5ad2f60c9109fc"
+        "sha": "949844223ecbdb701c9f0062f48bfefe5391ea7c"
       }
     }
   ]