diff --git a/builtin/providers/aws/structure.go b/builtin/providers/aws/structure.go
index d257128b7..6facdf792 100644
--- a/builtin/providers/aws/structure.go
+++ b/builtin/providers/aws/structure.go
@@ -688,6 +688,10 @@ func flattenLambdaVpcConfigResponse(s *lambda.VpcConfigResponse) []map[string]in
 		return nil
 	}
 
+	if len(s.SubnetIds) == 0 && len(s.SecurityGroupIds) == 0 && s.VpcId == nil {
+		return nil
+	}
+
 	settings["subnet_ids"] = schema.NewSet(schema.HashString, flattenStringList(s.SubnetIds))
 	settings["security_group_ids"] = schema.NewSet(schema.HashString, flattenStringList(s.SecurityGroupIds))
 	if s.VpcId != nil {