diff --git a/application/src/main/data/upgrade/basic/schema_update.sql b/application/src/main/data/upgrade/basic/schema_update.sql
index 31833112ad..5d66056701 100644
--- a/application/src/main/data/upgrade/basic/schema_update.sql
+++ b/application/src/main/data/upgrade/basic/schema_update.sql
@@ -14,202 +14,6 @@
 -- limitations under the License.
 --
 
-ALTER TABLE user_credentials ADD COLUMN IF NOT EXISTS last_login_ts BIGINT;
-UPDATE user_credentials c SET last_login_ts = (SELECT (additional_info::json ->> 'lastLoginTs')::bigint FROM tb_user u WHERE u.id = c.user_id)
-  WHERE last_login_ts IS NULL;
-
-ALTER TABLE user_credentials ADD COLUMN IF NOT EXISTS failed_login_attempts INT;
-UPDATE user_credentials c SET failed_login_attempts = (SELECT (additional_info::json ->> 'failedLoginAttempts')::int FROM tb_user u WHERE u.id = c.user_id)
-  WHERE failed_login_attempts IS NULL;
-
-UPDATE tb_user SET additional_info = (additional_info::jsonb - 'lastLoginTs' - 'failedLoginAttempts' - 'userCredentialsEnabled')::text
-  WHERE additional_info IS NOT NULL AND additional_info != 'null' AND jsonb_typeof(additional_info::jsonb) = 'object';
-
--- UPDATE RULE NODE DEBUG MODE TO DEBUG STRATEGY START
-
-ALTER TABLE rule_node ADD COLUMN IF NOT EXISTS debug_settings varchar(1024) DEFAULT null;
-DO
-$$
-    BEGIN
-        IF EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'rule_node' AND column_name = 'debug_mode')
-            THEN
-                UPDATE rule_node SET debug_settings = '{"failuresEnabled": true, "allEnabledUntil": ' || cast((extract(epoch from now()) + 900) * 1000 as bigint) || '}' WHERE debug_mode = true; -- 15 minutes according to thingsboard.yml default settings.
-                ALTER TABLE rule_node DROP COLUMN debug_mode;
-        END IF;
-    END
-$$;
-
--- UPDATE RULE NODE DEBUG MODE TO DEBUG STRATEGY END
-
-
--- CREATE MOBILE APP BUNDLES FROM EXISTING APPS
-
-CREATE TABLE IF NOT EXISTS mobile_app_bundle (
-    id uuid NOT NULL CONSTRAINT mobile_app_bundle_pkey PRIMARY KEY,
-    created_time bigint NOT NULL,
-    tenant_id uuid,
-    title varchar(255),
-    description varchar(1024),
-    android_app_id uuid UNIQUE,
-    ios_app_id uuid UNIQUE,
-    layout_config varchar(16384),
-    oauth2_enabled boolean,
-    CONSTRAINT fk_android_app_id FOREIGN KEY (android_app_id) REFERENCES mobile_app(id) ON DELETE SET NULL,
-    CONSTRAINT fk_ios_app_id FOREIGN KEY (ios_app_id) REFERENCES mobile_app(id) ON DELETE SET NULL
-);
-CREATE INDEX IF NOT EXISTS mobile_app_bundle_tenant_id ON mobile_app_bundle(tenant_id);
-
-ALTER TABLE mobile_app ADD COLUMN IF NOT EXISTS platform_type varchar(32),
-    ADD COLUMN IF NOT EXISTS status varchar(32),
-    ADD COLUMN IF NOT EXISTS version_info varchar(100000),
-    ADD COLUMN IF NOT EXISTS store_info varchar(16384),
-    DROP CONSTRAINT IF EXISTS mobile_app_pkg_name_key,
-    DROP CONSTRAINT IF EXISTS mobile_app_unq_key;
-
--- rename mobile_app_oauth2_client to mobile_app_bundle_oauth2_client
-DO
-$$
-    BEGIN
-        -- in case of running the upgrade script a second time
-        IF EXISTS(SELECT 1 FROM information_schema.tables WHERE table_name = 'mobile_app_oauth2_client') THEN
-            ALTER TABLE mobile_app_oauth2_client RENAME TO mobile_app_bundle_oauth2_client;
-            ALTER TABLE mobile_app_bundle_oauth2_client DROP CONSTRAINT IF EXISTS fk_domain;
-            ALTER TABLE mobile_app_bundle_oauth2_client RENAME COLUMN mobile_app_id TO mobile_app_bundle_id;
-        END IF;
-    END;
-$$;
-
-
-CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-
--- duplicate each mobile app and create mobile app bundle for the pair of android and ios app
-DO
-$$
-    DECLARE
-        generatedBundleId uuid;
-        iosAppId uuid;
-        mobileAppRecord RECORD;
-    BEGIN
-        -- in case of running the upgrade script a second time
-        IF EXISTS(SELECT 1 FROM information_schema.columns WHERE table_name = 'mobile_app' and column_name = 'oauth2_enabled') THEN
-            UPDATE mobile_app SET platform_type = 'ANDROID' WHERE platform_type IS NULL;
-            UPDATE mobile_app SET status = 'DRAFT' WHERE mobile_app.status IS NULL;
-            FOR mobileAppRecord IN SELECT * FROM mobile_app
-            LOOP
-                -- duplicate app for iOS platform type
-                iosAppId := uuid_generate_v4();
-                INSERT INTO mobile_app(id, created_time, tenant_id, pkg_name, app_secret, platform_type, status)
-                VALUES (iosAppId, mobileAppRecord.created_time, mobileAppRecord.tenant_id, mobileAppRecord.pkg_name, mobileAppRecord.app_secret, 'IOS', mobileAppRecord.status)
-                ON CONFLICT DO NOTHING;
-                -- create bundle for android and iOS app
-                generatedBundleId := uuid_generate_v4();
-                INSERT INTO mobile_app_bundle(id, created_time, tenant_id, title, android_app_id, ios_app_id, oauth2_enabled)
-                VALUES (generatedBundleId, mobileAppRecord.created_time, mobileAppRecord.tenant_id,
-                        mobileAppRecord.pkg_name || ' (autogenerated)', mobileAppRecord.id, iosAppId, mobileAppRecord.oauth2_enabled)
-                ON CONFLICT DO NOTHING;
-                UPDATE mobile_app_bundle_oauth2_client SET mobile_app_bundle_id = generatedBundleId WHERE mobile_app_bundle_id = mobileAppRecord.id;
-            END LOOP;
-        END IF;
-        IF NOT EXISTS(SELECT 1 FROM pg_constraint WHERE conname = 'fk_mobile_app_bundle_oauth2_client_bundle_id') THEN
-            ALTER TABLE mobile_app_bundle_oauth2_client ADD CONSTRAINT fk_mobile_app_bundle_oauth2_client_bundle_id
-                FOREIGN KEY (mobile_app_bundle_id) REFERENCES mobile_app_bundle(id) ON DELETE CASCADE;
-        END IF;
-        ALTER TABLE mobile_app DROP COLUMN IF EXISTS oauth2_enabled;
-        IF NOT EXISTS(SELECT 1 FROM pg_constraint WHERE conname = 'mobile_app_pkg_name_platform_unq_key') THEN
-            ALTER TABLE mobile_app ADD CONSTRAINT mobile_app_pkg_name_platform_unq_key UNIQUE (pkg_name, platform_type);
-        END IF;
-    END;
-$$;
-
-ALTER TABLE IF EXISTS mobile_app_settings RENAME TO qr_code_settings;
-ALTER TABLE qr_code_settings ADD COLUMN IF NOT EXISTS mobile_app_bundle_id uuid,
-    ADD COLUMN IF NOT EXISTS android_enabled boolean,
-    ADD COLUMN IF NOT EXISTS ios_enabled boolean;
-
--- migrate mobile apps from qr code settings to mobile_app, create mobile app bundle for the pair of apps
-DO
-$$
-    DECLARE
-        androidPkgName varchar;
-        iosPkgName varchar;
-        androidAppId uuid;
-        iosAppId uuid;
-        generatedBundleId uuid;
-        qrCodeRecord RECORD;
-    BEGIN
-        -- in case of running the upgrade script a second time
-        IF EXISTS(SELECT 1 FROM information_schema.columns WHERE table_name = 'qr_code_settings' AND column_name = 'android_config') THEN
-            FOR qrCodeRecord IN SELECT * FROM qr_code_settings
-            LOOP
-                generatedBundleId := NULL;
-                -- migrate android config
-                IF (qrCodeRecord.android_config::jsonb ->> 'appPackage' IS NOT NULL) THEN
-                    androidPkgName := qrCodeRecord.android_config::jsonb ->> 'appPackage';
-                    SELECT id into androidAppId FROM mobile_app WHERE pkg_name = androidPkgName AND platform_type = 'ANDROID';
-                    IF androidAppId IS NULL THEN
-                        androidAppId := uuid_generate_v4();
-                        INSERT INTO mobile_app(id, created_time, tenant_id, pkg_name, platform_type, status, store_info)
-                        VALUES (androidAppId, (extract(epoch from now()) * 1000), qrCodeRecord.tenant_id,
-                                androidPkgName, 'ANDROID', 'DRAFT', qrCodeRecord.android_config::jsonb - 'appPackage' - 'enabled');
-                        generatedBundleId := uuid_generate_v4();
-                        INSERT INTO mobile_app_bundle(id, created_time, tenant_id, title, android_app_id)
-                        VALUES (generatedBundleId, (extract(epoch from now()) * 1000), qrCodeRecord.tenant_id, androidPkgName || ' (autogenerated)', androidAppId);
-                        UPDATE qr_code_settings SET mobile_app_bundle_id = generatedBundleId;
-                    ELSE
-                        UPDATE mobile_app SET store_info = qrCodeRecord.android_config::jsonb - 'appPackage' - 'enabled' WHERE id = androidAppId;
-                        UPDATE qr_code_settings SET mobile_app_bundle_id = (SELECT id FROM mobile_app_bundle WHERE mobile_app_bundle.android_app_id = androidAppId);
-                    END IF;
-                END IF;
-                UPDATE qr_code_settings SET android_enabled = (qrCodeRecord.android_config::jsonb ->> 'enabled')::boolean WHERE id = qrCodeRecord.id;
-
-                -- migrate ios config
-                IF (qrCodeRecord.ios_config::jsonb ->> 'appId' IS NOT NULL) THEN
-                    iosPkgName := substring(qrCodeRecord.ios_config::jsonb ->> 'appId', strpos(qrCodeRecord.ios_config::jsonb ->> 'appId', '.') + 1);
-                    SELECT id INTO iosAppId FROM mobile_app WHERE pkg_name = iosPkgName AND platform_type = 'IOS';
-                    IF iosAppId IS NULL THEN
-                        iosAppId := uuid_generate_v4();
-                        INSERT INTO mobile_app(id, created_time, tenant_id, pkg_name, platform_type, status, store_info)
-                        VALUES (iosAppId, (extract(epoch from now()) * 1000), qrCodeRecord.tenant_id,
-                                iosPkgName, 'IOS', 'DRAFT', qrCodeRecord.ios_config::jsonb - 'enabled');
-                        IF generatedBundleId IS NULL THEN
-                            generatedBundleId := uuid_generate_v4();
-                            INSERT INTO mobile_app_bundle(id, created_time, tenant_id, title, ios_app_id)
-                            VALUES (generatedBundleId, (extract(epoch from now()) * 1000), qrCodeRecord.tenant_id, iosPkgName || ' (autogenerated)', iosAppId);
-                            UPDATE qr_code_settings SET mobile_app_bundle_id = generatedBundleId;
-                        ELSE
-                            UPDATE mobile_app_bundle SET ios_app_id = iosAppId WHERE id = generatedBundleId;
-                        END IF;
-                    ELSE
-                        UPDATE qr_code_settings SET mobile_app_bundle_id = (SELECT id FROM mobile_app_bundle WHERE mobile_app_bundle.ios_app_id = iosAppId);
-                        UPDATE mobile_app SET store_info = qrCodeRecord.ios_config::jsonb - 'enabled' WHERE id = iosAppId;
-                    END IF;
-                END IF;
-                UPDATE qr_code_settings SET ios_enabled = (qrCodeRecord.ios_config::jsonb -> 'enabled')::boolean WHERE id = qrCodeRecord.id;
-            END LOOP;
-            ALTER TABLE qr_code_settings RENAME CONSTRAINT mobile_app_settings_tenant_id_unq_key TO qr_code_settings_tenant_id_unq_key;
-            ALTER TABLE qr_code_settings RENAME CONSTRAINT mobile_app_settings_pkey TO qr_code_settings_pkey;
-        END IF;
-        ALTER TABLE qr_code_settings DROP COLUMN IF EXISTS android_config, DROP COLUMN IF EXISTS ios_config;
-    END;
-$$;
-
--- update constraint name
-DO
-$$
-    BEGIN
-        ALTER TABLE domain DROP CONSTRAINT IF EXISTS domain_unq_key;
-        IF NOT EXISTS(SELECT 1 FROM pg_constraint WHERE conname = 'domain_name_key') THEN
-            ALTER TABLE domain ADD CONSTRAINT domain_name_key UNIQUE (name);
-        END IF;
-    END;
-$$;
-
--- UPDATE RESOURCE JS_MODULE SUB TYPE START
-
-UPDATE resource SET resource_sub_type = 'EXTENSION' WHERE resource_type = 'JS_MODULE' AND resource_sub_type IS NULL;
-
--- UPDATE RESOURCE JS_MODULE SUB TYPE END
-
 -- UPDATE SAVE TIME SERIES NODES START
 
 DO $$
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 622c0ab2dc..ea4c059222 100644
--- a/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
+++ b/application/src/main/java/org/thingsboard/server/install/ThingsboardInstallService.java
@@ -35,8 +35,6 @@ import org.thingsboard.server.service.install.migrate.TsLatestMigrateService;
 import org.thingsboard.server.service.install.update.CacheCleanupService;
 import org.thingsboard.server.service.install.update.DataUpdateService;
 
-import static org.thingsboard.server.service.install.update.DefaultDataUpdateService.getEnv;
-
 @Service
 @Profile("install")
 @Slf4j
@@ -99,8 +97,6 @@ public class ThingsboardInstallService {
                 if ("cassandra-latest-to-postgres".equals(upgradeFromVersion)) {
                     log.info("Migrating ThingsBoard latest timeseries data from cassandra to SQL database ...");
                     latestMigrateService.migrate();
-                } else if (upgradeFromVersion.equals("3.9.0-resources")) {
-                    installScripts.updateResourcesUsage();
                 } else {
                     // TODO DON'T FORGET to update SUPPORTED_VERSIONS_FROM in DefaultDatabaseSchemaSettingsService
                     databaseSchemaVersionService.validateSchemaSettings();
@@ -118,25 +114,16 @@ public class ThingsboardInstallService {
                     entityDatabaseSchemaService.createOrUpdateDeviceInfoView(persistToTelemetry);
                     // Creates missing indexes.
                     entityDatabaseSchemaService.createDatabaseIndexes();
-                    // Runs upgrade scripts that are not possible in plain SQL.
+
                     // TODO: cleanup update code after each release
-                    if (!getEnv("SKIP_RESOURCES_USAGE_MIGRATION", false)) {
-                        installScripts.setUpdateResourcesUsage(true);
-                    } else {
-                        log.info("Skipping resources usage migration. Run the upgrade with fromVersion as '3.9.0-resources' to migrate");
-                    }
-                    if (installScripts.isUpdateResourcesUsage()) {
-                        installScripts.updateResourcesUsage();
-                    }
+
+                    // Runs upgrade scripts that are not possible in plain SQL.
                     dataUpdateService.updateData();
                     log.info("Updating system data...");
                     dataUpdateService.upgradeRuleNodes();
                     systemDataLoaderService.loadSystemWidgets();
                     installScripts.loadSystemLwm2mResources();
                     installScripts.loadSystemImagesAndResources();
-                    if (installScripts.isUpdateImages()) {
-                        installScripts.updateImages();
-                    }
                     databaseSchemaVersionService.updateSchemaVersion();
                 }
                 log.info("Upgrade finished successfully!");
diff --git a/application/src/main/java/org/thingsboard/server/service/install/DefaultDatabaseSchemaSettingsService.java b/application/src/main/java/org/thingsboard/server/service/install/DefaultDatabaseSchemaSettingsService.java
index 6fa8210125..3b21685d22 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/DefaultDatabaseSchemaSettingsService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/DefaultDatabaseSchemaSettingsService.java
@@ -17,8 +17,6 @@ package org.thingsboard.server.service.install;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Profile;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Service;
@@ -34,24 +32,16 @@ public class DefaultDatabaseSchemaSettingsService implements DatabaseSchemaSetti
 
     // This list should include all versions which are compatible for the upgrade.
     // The compatibility cycle usually breaks when we have some scripts written in Java that may not work after new release.
-    private static final List<String> SUPPORTED_VERSIONS_FOR_UPGRADE = List.of("3.8.0", "3.8.1");
+    private static final List<String> SUPPORTED_VERSIONS_FOR_UPGRADE = List.of("3.9.0");
 
     private final ProjectInfo projectInfo;
     private final JdbcTemplate jdbcTemplate;
 
-    @Value("${install.upgrade.from_version:}")
-    private String upgradeFromVersion;
-
     private String packageSchemaVersion;
     private String schemaVersionFromDb;
 
     @Override
     public void validateSchemaSettings() {
-        //TODO: remove after release (3.9.0)
-        createProductIfNotExists();
-
-        String dbSchemaVersion = getDbSchemaVersion();
-
         if (DefaultDataUpdateService.getEnv("SKIP_SCHEMA_VERSION_CHECK", false)) {
             log.info("Skipped DB schema version check due to SKIP_SCHEMA_VERSION_CHECK set to 'true'.");
             return;
@@ -62,6 +52,7 @@ public class DefaultDatabaseSchemaSettingsService implements DatabaseSchemaSetti
             onSchemaSettingsError(String.format("Upgrade failed: can't upgrade ThingsBoard %s database using ThingsBoard %s.", product, projectInfo.getProductType()));
         }
 
+        String dbSchemaVersion = getDbSchemaVersion();
         if (dbSchemaVersion.equals(getPackageSchemaVersion())) {
             onSchemaSettingsError("Upgrade failed: database already upgraded to current version. You can set SKIP_SCHEMA_VERSION_CHECK to 'true' if force re-upgrade needed.");
         }
@@ -73,14 +64,6 @@ public class DefaultDatabaseSchemaSettingsService implements DatabaseSchemaSetti
         }
     }
 
-    @Deprecated(forRemoval = true, since = "3.9.0")
-    private void createProductIfNotExists() {
-        boolean isCommunityEdition = jdbcTemplate.queryForList(
-                "SELECT 1 FROM information_schema.tables WHERE table_name = 'integration'", Integer.class).isEmpty();
-        String product = isCommunityEdition ? "CE" : "PE";
-        jdbcTemplate.execute("ALTER TABLE tb_schema_settings ADD COLUMN IF NOT EXISTS product varchar(2) DEFAULT '" + product + "'");
-    }
-
     @Override
     public void createSchemaSettings() {
         Long schemaVersion = getSchemaVersionFromDb();
@@ -105,15 +88,6 @@ public class DefaultDatabaseSchemaSettingsService implements DatabaseSchemaSetti
     @Override
     public String getDbSchemaVersion() {
         if (schemaVersionFromDb == null) {
-            if (StringUtils.isNotBlank(upgradeFromVersion)) {
-                /*
-                * TODO - Remove after the release of 3.9.0:
-                *  This a temporary workaround due to the issue that schema version in the
-                *  tb_schema_settings was set as 3.6.4 during the install of 3.8.1.
-                * */
-                schemaVersionFromDb = upgradeFromVersion;
-                return schemaVersionFromDb;
-            }
             Long version = getSchemaVersionFromDb();
             if (version == null) {
                 onSchemaSettingsError("Upgrade failed: the database schema version is missing.");
diff --git a/application/src/main/java/org/thingsboard/server/service/install/InstallScripts.java b/application/src/main/java/org/thingsboard/server/service/install/InstallScripts.java
index a6ccb85e11..b230be0d57 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/InstallScripts.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/InstallScripts.java
@@ -17,8 +17,6 @@ package org.thingsboard.server.service.install;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import lombok.Getter;
-import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -120,11 +118,6 @@ public class InstallScripts {
 
     @Autowired
     private ResourcesUpdater resourcesUpdater;
-    @Getter @Setter
-    private boolean updateImages = false;
-
-    @Getter @Setter
-    private boolean updateResourcesUsage = false;
 
     @Autowired
     private ImageService imageService;
@@ -395,14 +388,6 @@ public class InstallScripts {
         }
     }
 
-    public void updateImages() {
-        resourcesUpdater.updateWidgetsBundlesImages();
-        resourcesUpdater.updateWidgetTypesImages();
-        resourcesUpdater.updateDashboardsImages();
-        resourcesUpdater.updateDeviceProfilesImages();
-        resourcesUpdater.updateAssetProfilesImages();
-    }
-
     public void loadSystemImagesAndResources() {
         log.info("Loading system images and resources...");
         Stream<Path> dashboardsFiles = Stream.concat(listDir(Paths.get(getDataDir(), JSON_DIR, DEMO_DIR, DASHBOARDS_DIR)),
@@ -512,11 +497,6 @@ public class InstallScripts {
         }
     }
 
-    public void updateResourcesUsage() {
-        resourcesUpdater.updateDashboardsResources();
-        resourcesUpdater.updateWidgetsResources();
-    }
-
     private void loadSystemResources(Path dir, ResourceType resourceType, ResourceSubType resourceSubType) {
         listDir(dir).forEach(resourceFile -> {
             String resourceKey = resourceFile.getFileName().toString();
diff --git a/application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java b/application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java
index e8622fae37..cea938bce9 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/update/DefaultDataUpdateService.java
@@ -34,7 +34,6 @@ import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.dao.sql.JpaExecutorService;
 import org.thingsboard.server.service.component.ComponentDiscoveryService;
 import org.thingsboard.server.service.component.RuleNodeClassInfo;
-import org.thingsboard.server.service.install.InstallScripts;
 import org.thingsboard.server.utils.TbNodeUpgradeUtils;
 
 import java.util.ArrayList;
@@ -58,9 +57,6 @@ public class DefaultDataUpdateService implements DataUpdateService {
     @Autowired
     JpaExecutorService jpaExecutorService;
 
-    @Autowired
-    private InstallScripts installScripts;
-
     @Override
     public void updateData() throws Exception {
         log.info("Updating data ...");