diff --git a/src/Contracts/ManagesDatabaseUsers.php b/src/Contracts/ManagesDatabaseUsers.php
index d9167f29..c92021e2 100644
--- a/src/Contracts/ManagesDatabaseUsers.php
+++ b/src/Contracts/ManagesDatabaseUsers.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Contracts;
 
 use Stancl\Tenancy\DatabaseConfig;
@@ -7,5 +9,6 @@ use Stancl\Tenancy\DatabaseConfig;
 interface ManagesDatabaseUsers
 {
     public function createUser(DatabaseConfig $databaseConfig): void;
+
     public function deleteUser(DatabaseConfig $databaseConfig): void;
 }
diff --git a/src/DatabaseConfig.php b/src/DatabaseConfig.php
index 503aace4..aebc6d3c 100644
--- a/src/DatabaseConfig.php
+++ b/src/DatabaseConfig.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy;
 
 use Illuminate\Support\Facades\Hash;
@@ -10,7 +12,7 @@ use Stancl\Tenancy\Contracts\TenantDatabaseManager;
 use Stancl\Tenancy\Exceptions\DatabaseManagerNotRegisteredException;
 
 class DatabaseConfig
-{ 
+{
     /** @var Tenant */
     public $tenant;
 
@@ -104,7 +106,7 @@ class DatabaseConfig
         // and it doesn't exist, we'll go for the default DB template.
         if (! array_key_exists($name, config('database.connections'))) {
             $name = config('tenancy.database.template_connection') ?? DatabaseManager::$originalDefaultConnectionName;
-        };
+        }
 
         return $name;
     }
diff --git a/src/DatabaseManager.php b/src/DatabaseManager.php
index 93c5feab..ab3672b7 100644
--- a/src/DatabaseManager.php
+++ b/src/DatabaseManager.php
@@ -98,7 +98,7 @@ class DatabaseManager
 
     /**
      * Check if a tenant can be created.
-     * 
+     *
      * @throws TenantCannotBeCreatedException
      * @throws DatabaseManagerNotRegisteredException
      * @throws TenantDatabaseAlreadyExistsException
@@ -160,7 +160,7 @@ class DatabaseManager
         }
 
         foreach ($afterCreating as $item) {
-            if (is_object($item) && !$item instanceof Closure) {
+            if (is_object($item) && ! $item instanceof Closure) {
                 $item->handle($tenant);
             } else {
                 $item($tenant);
@@ -170,7 +170,7 @@ class DatabaseManager
 
     /**
      * Delete a tenant's database.
-     * 
+     *
      * @throws DatabaseManagerNotRegisteredException
      */
     public function deleteDatabase(Tenant $tenant)
diff --git a/src/TenantDatabaseManagers/PermissionControlledMySQLDatabaseManager.php b/src/TenantDatabaseManagers/PermissionControlledMySQLDatabaseManager.php
index 83c05083..89b9b778 100644
--- a/src/TenantDatabaseManagers/PermissionControlledMySQLDatabaseManager.php
+++ b/src/TenantDatabaseManagers/PermissionControlledMySQLDatabaseManager.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\TenantDatabaseManagers;
 
 use Stancl\Tenancy\Contracts\ManagesDatabaseUsers;
@@ -19,7 +21,7 @@ class PermissionControlledMySQLDatabaseManager extends MySQLDatabaseManager impl
         $username = $databaseConfig->getUsername();
         $hostname = $databaseConfig->connection()['host'];
         $password = $databaseConfig->getPassword();
-        
+
         $this->database()->statement("CREATE USER `{$username}`@`{$hostname}` IDENTIFIED BY `{$password}`");
 
         $grants = implode(', ', static::$grants);
@@ -44,4 +46,4 @@ class PermissionControlledMySQLDatabaseManager extends MySQLDatabaseManager impl
     {
         $this->database()->statement("DROP USER IF EXISTS '{$databaseConfig->username}'");
     }
-}
\ No newline at end of file
+}
diff --git a/tests/DatabaseUsersTest.php b/tests/DatabaseUsersTest.php
index 2de11f2e..5be409d2 100644
--- a/tests/DatabaseUsersTest.php
+++ b/tests/DatabaseUsersTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Tests;
 
 class DatabaseUsersTest extends TestCase
@@ -7,18 +9,15 @@ class DatabaseUsersTest extends TestCase
     /** @test */
     public function users_are_created_when_permission_controlled_mysql_manager_is_used()
     {
-        
     }
 
     /** @test */
     public function correct_grants_are_given_to_the_users()
     {
-        
     }
 
     /** @test */
     public function having_existing_databases_without_users_and_switching_to_permission_controlled_mysql_manager_doesnt_break_existing_dbs()
     {
-        
     }
 }