diff --git a/application/src/main/data/upgrade/3.1.1/schema_update.sql b/application/src/main/data/upgrade/3.1.1/schema_update.sql
deleted file mode 100644
index 0b99e797b0..0000000000
--- a/application/src/main/data/upgrade/3.1.1/schema_update.sql
+++ /dev/null
@@ -1,89 +0,0 @@
---
--- Copyright © 2016-2020 The Thingsboard Authors
---
--- Licensed under the Apache License, Version 2.0 (the "License");
--- you may not use this file except in compliance with the License.
--- You may obtain a copy of the License at
---
---     http://www.apache.org/licenses/LICENSE-2.0
---
--- Unless required by applicable law or agreed to in writing, software
--- distributed under the License is distributed on an "AS IS" BASIS,
--- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--- See the License for the specific language governing permissions and
--- limitations under the License.
---
-
-DROP TABLE IF EXISTS oauth2_client_registration_info;
-
-CREATE TABLE IF NOT EXISTS oauth2_client_registration_info (
-    id uuid NOT NULL CONSTRAINT oauth2_client_registration_info_pkey PRIMARY KEY,
-    enabled boolean,
-    created_time bigint NOT NULL,
-    additional_info varchar,
-    client_id varchar(255),
-    client_secret varchar(255),
-    authorization_uri varchar(255),
-    token_uri varchar(255),
-    scope varchar(255),
-    user_info_uri varchar(255),
-    user_name_attribute_name varchar(255),
-    jwk_set_uri varchar(255),
-    client_authentication_method varchar(255),
-    login_button_label varchar(255),
-    login_button_icon varchar(255),
-    allow_user_creation boolean,
-    activate_user boolean,
-    type varchar(31),
-    basic_email_attribute_key varchar(31),
-    basic_first_name_attribute_key varchar(31),
-    basic_last_name_attribute_key varchar(31),
-    basic_tenant_name_strategy varchar(31),
-    basic_tenant_name_pattern varchar(255),
-    basic_customer_name_pattern varchar(255),
-    basic_default_dashboard_name varchar(255),
-    basic_always_full_screen boolean,
-    custom_url varchar(255),
-    custom_username varchar(255),
-    custom_password varchar(255),
-    custom_send_token boolean
-);
-
-DROP TABLE IF EXISTS oauth2_client_registration;
-
-CREATE TABLE IF NOT EXISTS oauth2_client_registration (
-    id uuid NOT NULL CONSTRAINT oauth2_client_registration_pkey PRIMARY KEY,
-    created_time bigint NOT NULL,
-    domain_name varchar(255),
-    domain_scheme varchar(31),
-    client_registration_info_id uuid
-);
-
-DROP TABLE IF EXISTS oauth2_client_registration_template;
-
-CREATE TABLE IF NOT EXISTS oauth2_client_registration_template (
-    id uuid NOT NULL CONSTRAINT oauth2_client_registration_template_pkey PRIMARY KEY,
-    created_time bigint NOT NULL,
-    additional_info varchar,
-    provider_id varchar(255),
-    authorization_uri varchar(255),
-    token_uri varchar(255),
-    scope varchar(255),
-    user_info_uri varchar(255),
-    user_name_attribute_name varchar(255),
-    jwk_set_uri varchar(255),
-    client_authentication_method varchar(255),
-    basic_email_attribute_key varchar(31),
-    basic_first_name_attribute_key varchar(31),
-    basic_last_name_attribute_key varchar(31),
-    basic_tenant_name_strategy varchar(31),
-    basic_tenant_name_pattern varchar(255),
-    basic_customer_name_pattern varchar(255),
-    basic_default_dashboard_name varchar(255),
-    basic_always_full_screen boolean,
-    comment varchar,
-    login_button_icon varchar(255),
-    login_button_label varchar(255),
-    help_link varchar(255),
-    CONSTRAINT oauth2_template_provider_id_unq_key UNIQUE (provider_id)
-);
diff --git a/application/src/main/data/upgrade/3.1.2/schema_update_before.sql b/application/src/main/data/upgrade/3.1.2/schema_update_before.sql
index c1591e7831..fe8ee4531b 100644
--- a/application/src/main/data/upgrade/3.1.2/schema_update_before.sql
+++ b/application/src/main/data/upgrade/3.1.2/schema_update_before.sql
@@ -14,6 +14,74 @@
 -- limitations under the License.
 --
 
+CREATE TABLE IF NOT EXISTS oauth2_client_registration_info (
+    id uuid NOT NULL CONSTRAINT oauth2_client_registration_info_pkey PRIMARY KEY,
+    enabled boolean,
+    created_time bigint NOT NULL,
+    additional_info varchar,
+    client_id varchar(255),
+    client_secret varchar(255),
+    authorization_uri varchar(255),
+    token_uri varchar(255),
+    scope varchar(255),
+    user_info_uri varchar(255),
+    user_name_attribute_name varchar(255),
+    jwk_set_uri varchar(255),
+    client_authentication_method varchar(255),
+    login_button_label varchar(255),
+    login_button_icon varchar(255),
+    allow_user_creation boolean,
+    activate_user boolean,
+    type varchar(31),
+    basic_email_attribute_key varchar(31),
+    basic_first_name_attribute_key varchar(31),
+    basic_last_name_attribute_key varchar(31),
+    basic_tenant_name_strategy varchar(31),
+    basic_tenant_name_pattern varchar(255),
+    basic_customer_name_pattern varchar(255),
+    basic_default_dashboard_name varchar(255),
+    basic_always_full_screen boolean,
+    custom_url varchar(255),
+    custom_username varchar(255),
+    custom_password varchar(255),
+    custom_send_token boolean
+);
+
+CREATE TABLE IF NOT EXISTS oauth2_client_registration (
+    id uuid NOT NULL CONSTRAINT oauth2_client_registration_pkey PRIMARY KEY,
+    created_time bigint NOT NULL,
+    domain_name varchar(255),
+    domain_scheme varchar(31),
+    client_registration_info_id uuid
+);
+
+CREATE TABLE IF NOT EXISTS oauth2_client_registration_template (
+    id uuid NOT NULL CONSTRAINT oauth2_client_registration_template_pkey PRIMARY KEY,
+    created_time bigint NOT NULL,
+    additional_info varchar,
+    provider_id varchar(255),
+    authorization_uri varchar(255),
+    token_uri varchar(255),
+    scope varchar(255),
+    user_info_uri varchar(255),
+    user_name_attribute_name varchar(255),
+    jwk_set_uri varchar(255),
+    client_authentication_method varchar(255),
+    basic_email_attribute_key varchar(31),
+    basic_first_name_attribute_key varchar(31),
+    basic_last_name_attribute_key varchar(31),
+    basic_tenant_name_strategy varchar(31),
+    basic_tenant_name_pattern varchar(255),
+    basic_customer_name_pattern varchar(255),
+    basic_default_dashboard_name varchar(255),
+    basic_always_full_screen boolean,
+    comment varchar,
+    login_button_icon varchar(255),
+    login_button_label varchar(255),
+    help_link varchar(255),
+    CONSTRAINT oauth2_template_provider_id_unq_key UNIQUE (provider_id)
+);
+
 CREATE TABLE IF NOT EXISTS device_profile (
     id uuid NOT NULL CONSTRAINT device_profile_pkey PRIMARY KEY,
     created_time bigint NOT NULL,
diff --git a/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java b/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
index c51bf905f8..6f6bd7a139 100644
--- a/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
+++ b/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
@@ -185,10 +185,6 @@ public class ThingsboardInstallService {
                             databaseEntitiesUpgradeService.upgradeDatabase("3.1.2");
                             log.info("Updating system data...");
                             systemDataLoaderService.updateSystemWidgets();
-                        case "3.1.1":
-                            log.info("Upgrading ThingsBoard from version 3.1.1 to 3.2.0 ...");
-                            databaseEntitiesUpgradeService.upgradeDatabase("3.1.1");
-                            log.info("Updating system data...");
                             systemDataLoaderService.createOAuth2Templates();
                             break;
                         default:
diff --git a/application/src/main/java/org/thingsboard/server/service/security/permission/Resource.java b/application/src/main/java/org/thingsboard/server/service/security/permission/Resource.java
index f96c526bfe..671e0539cc 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/permission/Resource.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/permission/Resource.java
@@ -34,7 +34,6 @@ public enum Resource {
     WIDGET_TYPE(EntityType.WIDGET_TYPE),
     OAUTH2_CONFIGURATION_INFO(EntityType.OAUTH2_CLIENT_REGISTRATION_INFO),
     OAUTH2_CONFIGURATION_TEMPLATE(EntityType.OAUTH2_CLIENT_REGISTRATION_TEMPLATE),
-    WIDGET_TYPE(EntityType.WIDGET_TYPE),
     TENANT_PROFILE(EntityType.TENANT_PROFILE),
     DEVICE_PROFILE(EntityType.DEVICE_PROFILE);
 
diff --git a/ui-ngx/src/app/core/services/menu.service.ts b/ui-ngx/src/app/core/services/menu.service.ts
index c921fde616..e44c3c6ec2 100644
--- a/ui-ngx/src/app/core/services/menu.service.ts
+++ b/ui-ngx/src/app/core/services/menu.service.ts
@@ -133,6 +133,7 @@ export class MenuService {
             icon: 'security'
           },
           {
+            id: guid(),
             name: 'admin.oauth2.oauth2',
             type: 'link',
             path: '/settings/oauth2',