diff --git a/generated/google/apis/apigateway_v1beta.rb b/generated/google/apis/apigateway_v1beta.rb
index 57bd091e5..b64c88ba6 100644
--- a/generated/google/apis/apigateway_v1beta.rb
+++ b/generated/google/apis/apigateway_v1beta.rb
@@ -25,7 +25,7 @@ module Google
     # @see  https://cloud.google.com/api-gateway/docs
     module ApigatewayV1beta
       VERSION = 'V1beta'
-      REVISION = '20201029'
+      REVISION = '20201203'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/apigateway_v1beta/classes.rb b/generated/google/apis/apigateway_v1beta/classes.rb
index 0e094d10d..ee9b9a0eb 100644
--- a/generated/google/apis/apigateway_v1beta/classes.rb
+++ b/generated/google/apis/apigateway_v1beta/classes.rb
@@ -134,7 +134,7 @@ module Google
         attr_accessor :name
       
         # Optional. OpenAPI specification documents. If specified, grpc_services and
-        # managed_service_config must not be included.
+        # managed_service_configs must not be included.
         # Corresponds to the JSON property `openapiDocuments`
         # @return [Array<Google::Apis::ApigatewayV1beta::ApigatewayApiConfigOpenApiDocument>]
         attr_accessor :openapi_documents
@@ -319,7 +319,7 @@ module Google
         end
       end
       
-      # Configuration for a backend.
+      # Configuration for all backends.
       class ApigatewayBackendConfig
         include Google::Apis::Core::Hashable
       
@@ -352,11 +352,6 @@ module Google
       class ApigatewayBinding
         include Google::Apis::Core::Hashable
       
-        # 
-        # Corresponds to the JSON property `bindingId`
-        # @return [String]
-        attr_accessor :binding_id
-      
         # Represents a textual expression in the Common Expression Language (CEL) syntax.
         # CEL is a C-like expression language. The syntax and semantics of CEL are
         # documented at https://github.com/google/cel-spec. Example (Comparison): title:
@@ -418,7 +413,6 @@ module Google
       
         # Update properties of this object
         def update!(**args)
-          @binding_id = args[:binding_id] if args.key?(:binding_id)
           @condition = args[:condition] if args.key?(:condition)
           @members = args[:members] if args.key?(:members)
           @role = args[:role] if args.key?(:role)
@@ -564,7 +558,7 @@ module Google
       class ApigatewayGatewayConfig
         include Google::Apis::Core::Hashable
       
-        # Configuration for a backend.
+        # Configuration for all backends.
         # Corresponds to the JSON property `backendConfig`
         # @return [Google::Apis::ApigatewayV1beta::ApigatewayBackendConfig]
         attr_accessor :backend_config
diff --git a/generated/google/apis/apigateway_v1beta/representations.rb b/generated/google/apis/apigateway_v1beta/representations.rb
index d32898e5d..0b553d3d3 100644
--- a/generated/google/apis/apigateway_v1beta/representations.rb
+++ b/generated/google/apis/apigateway_v1beta/representations.rb
@@ -277,7 +277,6 @@ module Google
       class ApigatewayBinding
         # @private
         class Representation < Google::Apis::Core::JsonRepresentation
-          property :binding_id, as: 'bindingId'
           property :condition, as: 'condition', class: Google::Apis::ApigatewayV1beta::ApigatewayExpr, decorator: Google::Apis::ApigatewayV1beta::ApigatewayExpr::Representation
       
           collection :members, as: 'members'
diff --git a/generated/google/apis/apigateway_v1beta/synth.metadata b/generated/google/apis/apigateway_v1beta/synth.metadata
index d167dbf9a..45bc41e66 100644
--- a/generated/google/apis/apigateway_v1beta/synth.metadata
+++ b/generated/google/apis/apigateway_v1beta/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "21445baae8adc1d75f0cde5c3cd6cebcc971f757"
+        "sha": "df748da8408420990373c79e5d72e35019682d7f"
       }
     }
   ]