diff --git a/integration/resources/templates/combination/api_with_binary_media_types.yaml b/integration/resources/templates/combination/api_with_binary_media_types.yaml
index 793c0b13b..9d9dc9279 100644
--- a/integration/resources/templates/combination/api_with_binary_media_types.yaml
+++ b/integration/resources/templates/combination/api_with_binary_media_types.yaml
@@ -17,8 +17,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       BinaryMediaTypes:
diff --git a/integration/resources/templates/combination/api_with_endpoint_configuration.yaml b/integration/resources/templates/combination/api_with_endpoint_configuration.yaml
index 765a8f27e..5741b31c3 100644
--- a/integration/resources/templates/combination/api_with_endpoint_configuration.yaml
+++ b/integration/resources/templates/combination/api_with_endpoint_configuration.yaml
@@ -13,8 +13,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       EndpointConfiguration: {Ref: Config}
       DefinitionUri: ${definitionuri}
diff --git a/integration/resources/templates/combination/api_with_endpoint_configuration_dict.yaml b/integration/resources/templates/combination/api_with_endpoint_configuration_dict.yaml
index bda5cf888..9628eb0e1 100644
--- a/integration/resources/templates/combination/api_with_endpoint_configuration_dict.yaml
+++ b/integration/resources/templates/combination/api_with_endpoint_configuration_dict.yaml
@@ -10,8 +10,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       EndpointConfiguration:
         Type: REGIONAL
diff --git a/integration/resources/templates/combination/api_with_method_settings.yaml b/integration/resources/templates/combination/api_with_method_settings.yaml
index 12d66499d..95d72c2a6 100644
--- a/integration/resources/templates/combination/api_with_method_settings.yaml
+++ b/integration/resources/templates/combination/api_with_method_settings.yaml
@@ -6,8 +6,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       MethodSettings: [{LoggingLevel: INFO, MetricsEnabled: true, DataTraceEnabled: true,
diff --git a/integration/resources/templates/combination/api_with_resource_refs.yaml b/integration/resources/templates/combination/api_with_resource_refs.yaml
index 490f815c1..1dc292af5 100644
--- a/integration/resources/templates/combination/api_with_resource_refs.yaml
+++ b/integration/resources/templates/combination/api_with_resource_refs.yaml
@@ -8,8 +8,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
 
diff --git a/integration/resources/templates/combination/function_with_alias_and_event_sources.yaml b/integration/resources/templates/combination/function_with_alias_and_event_sources.yaml
index 8e396430d..ea6846439 100644
--- a/integration/resources/templates/combination/function_with_alias_and_event_sources.yaml
+++ b/integration/resources/templates/combination/function_with_alias_and_event_sources.yaml
@@ -86,8 +86,6 @@ Resources:
   ExistingRestApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Dev
       DefinitionUri: ${definitionuri}
 
diff --git a/integration/resources/templates/combination/function_with_api.yaml b/integration/resources/templates/combination/function_with_api.yaml
index 548667cfe..2166721b6 100644
--- a/integration/resources/templates/combination/function_with_api.yaml
+++ b/integration/resources/templates/combination/function_with_api.yaml
@@ -8,8 +8,6 @@ Resources:
   ExistingRestApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Dev
       DefinitionUri: ${definitionuri}
 
diff --git a/integration/resources/templates/combination/intrinsics_code_definition_uri.yaml b/integration/resources/templates/combination/intrinsics_code_definition_uri.yaml
index fc7e8f61d..2ce724226 100644
--- a/integration/resources/templates/combination/intrinsics_code_definition_uri.yaml
+++ b/integration/resources/templates/combination/intrinsics_code_definition_uri.yaml
@@ -30,8 +30,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: FancyName
       DefinitionUri:
         Bucket:
diff --git a/integration/resources/templates/combination/intrinsics_serverless_api.yaml b/integration/resources/templates/combination/intrinsics_serverless_api.yaml
index 4d0caa4c9..d7aa06c78 100644
--- a/integration/resources/templates/combination/intrinsics_serverless_api.yaml
+++ b/integration/resources/templates/combination/intrinsics_serverless_api.yaml
@@ -90,8 +90,6 @@ Resources:
     Type: AWS::Serverless::Api
     Condition: TrueCondition
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName:
         Ref: MyStageName
       DefinitionUri:
@@ -109,8 +107,6 @@ Resources:
     Type: AWS::Serverless::Api
     Condition: FalseCondition
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName:
         Ref: MyStageName
       DefinitionUri:
diff --git a/integration/resources/templates/single/api_with_custom_domain_security_policy_edge.yaml b/integration/resources/templates/single/api_with_custom_domain_security_policy_edge.yaml
index 3fc1d902d..b12ed721f 100644
--- a/integration/resources/templates/single/api_with_custom_domain_security_policy_edge.yaml
+++ b/integration/resources/templates/single/api_with_custom_domain_security_policy_edge.yaml
@@ -10,8 +10,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       EndpointConfiguration:
diff --git a/integration/resources/templates/single/api_with_custom_domain_security_policy_regional.yaml b/integration/resources/templates/single/api_with_custom_domain_security_policy_regional.yaml
index a8c05704f..4799cc90f 100644
--- a/integration/resources/templates/single/api_with_custom_domain_security_policy_regional.yaml
+++ b/integration/resources/templates/single/api_with_custom_domain_security_policy_regional.yaml
@@ -10,8 +10,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       EndpointConfiguration:
diff --git a/integration/resources/templates/single/api_with_domain_ipaddresstype.yaml b/integration/resources/templates/single/api_with_domain_ipaddresstype.yaml
index 5a359c723..8c2c5377b 100644
--- a/integration/resources/templates/single/api_with_domain_ipaddresstype.yaml
+++ b/integration/resources/templates/single/api_with_domain_ipaddresstype.yaml
@@ -11,8 +11,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       Domain:
diff --git a/integration/resources/templates/single/api_with_endpoint_access_mode.yaml b/integration/resources/templates/single/api_with_endpoint_access_mode.yaml
index 64fa3b255..40b1cb327 100644
--- a/integration/resources/templates/single/api_with_endpoint_access_mode.yaml
+++ b/integration/resources/templates/single/api_with_endpoint_access_mode.yaml
@@ -10,8 +10,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       SecurityPolicy: !Ref SecurityPolicyValue
diff --git a/integration/resources/templates/single/api_with_ipaddresstype.yaml b/integration/resources/templates/single/api_with_ipaddresstype.yaml
index d7042f94c..26f17d0ea 100644
--- a/integration/resources/templates/single/api_with_ipaddresstype.yaml
+++ b/integration/resources/templates/single/api_with_ipaddresstype.yaml
@@ -7,8 +7,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: Prod
       DefinitionUri: ${definitionuri}
       EndpointConfiguration:
diff --git a/integration/resources/templates/single/basic_api.yaml b/integration/resources/templates/single/basic_api.yaml
index dc0ca32b1..1d726f625 100644
--- a/integration/resources/templates/single/basic_api.yaml
+++ b/integration/resources/templates/single/basic_api.yaml
@@ -6,8 +6,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: MyNewStageName
       DefinitionUri: ${definitionuri}
 Metadata:
diff --git a/integration/resources/templates/single/basic_api_with_tags.yaml b/integration/resources/templates/single/basic_api_with_tags.yaml
index fda952c2e..4af4987f7 100644
--- a/integration/resources/templates/single/basic_api_with_tags.yaml
+++ b/integration/resources/templates/single/basic_api_with_tags.yaml
@@ -6,8 +6,6 @@ Resources:
   MyApi:
     Type: AWS::Serverless::Api
     Properties:
-      Auth:
-        DefaultAuthorizer: AWS_IAM
       StageName: my-new-stage-name
       DefinitionUri: ${definitionuri}
       Tags: