diff --git a/cloudformation/serverless/aws-serverless-function.go b/cloudformation/serverless/aws-serverless-function.go
index 01b6824122..451209a5f6 100644
--- a/cloudformation/serverless/aws-serverless-function.go
+++ b/cloudformation/serverless/aws-serverless-function.go
@@ -33,7 +33,7 @@ type Function struct {
 	CodeSigningConfigArn string `json:"CodeSigningConfigArn,omitempty"`
 
 	// CodeUri AWS CloudFormation Property
-	// Required: true
+	// Required: false
 	// See: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
 	CodeUri *Function_CodeUri `json:"CodeUri,omitempty"`
 
@@ -78,7 +78,7 @@ type Function struct {
 	FunctionName string `json:"FunctionName,omitempty"`
 
 	// Handler AWS CloudFormation Property
-	// Required: true
+	// Required: false
 	// See: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
 	Handler string `json:"Handler,omitempty"`
 
@@ -143,7 +143,7 @@ type Function struct {
 	Role string `json:"Role,omitempty"`
 
 	// Runtime AWS CloudFormation Property
-	// Required: true
+	// Required: false
 	// See: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
 	Runtime string `json:"Runtime,omitempty"`
 
diff --git a/schema/sam.go b/schema/sam.go
index 4a54de1314..4f35d777ad 100644
--- a/schema/sam.go
+++ b/schema/sam.go
@@ -102435,11 +102435,6 @@ var SamSchema = `{
                             "$ref": "#/definitions/AWS::Serverless::Function.VpcConfig"
                         }
                     },
-                    "required": [
-                        "CodeUri",
-                        "Handler",
-                        "Runtime"
-                    ],
                     "type": "object"
                 },
                 "Type": {
@@ -102458,8 +102453,7 @@ var SamSchema = `{
                 }
             },
             "required": [
-                "Type",
-                "Properties"
+                "Type"
             ],
             "type": "object"
         },
diff --git a/schema/sam.schema.json b/schema/sam.schema.json
index e6c672f419..0de3335e26 100644
--- a/schema/sam.schema.json
+++ b/schema/sam.schema.json
@@ -102432,11 +102432,6 @@
                             "$ref": "#/definitions/AWS::Serverless::Function.VpcConfig"
                         }
                     },
-                    "required": [
-                        "CodeUri",
-                        "Handler",
-                        "Runtime"
-                    ],
                     "type": "object"
                 },
                 "Type": {
@@ -102455,8 +102450,7 @@
                 }
             },
             "required": [
-                "Type",
-                "Properties"
+                "Type"
             ],
             "type": "object"
         },