diff --git a/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance.rb b/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance.rb
index 8949eeb3cc..859e68bce0 100644
--- a/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance.rb
+++ b/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance.rb
@@ -192,7 +192,6 @@ def self.mapper()
               },
               collation: {
                 required: false,
-                read_only: true,
                 serialized_name: 'properties.collation',
                 type: {
                   name: 'String'
diff --git a/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance_update.rb b/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance_update.rb
index 21ef448c47..83ef096cea 100644
--- a/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance_update.rb
+++ b/management/azure_mgmt_sql/lib/2015-05-01-preview/generated/azure_mgmt_sql/models/managed_instance_update.rb
@@ -138,7 +138,6 @@ def self.mapper()
               },
               collation: {
                 required: false,
-                read_only: true,
                 serialized_name: 'properties.collation',
                 type: {
                   name: 'String'