diff --git a/src/Core/Logger/Factory/AbstractLoggerTypeFactory.php b/src/Core/Logger/Factory/AbstractLoggerTypeFactory.php
index 08a9559279..d2d606f65f 100644
--- a/src/Core/Logger/Factory/AbstractLoggerTypeFactory.php
+++ b/src/Core/Logger/Factory/AbstractLoggerTypeFactory.php
@@ -12,6 +12,8 @@ use Psr\Log\LogLevel;
 
 /**
  * Abstract class for creating logger types, which includes common necessary logic/content
+ *
+ * @deprecated 2025.02 Implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead
  */
 abstract class AbstractLoggerTypeFactory
 {
@@ -25,6 +27,8 @@ abstract class AbstractLoggerTypeFactory
 	 */
 	public function __construct(IHaveCallIntrospections $introspection, string $channel)
 	{
+		@trigger_error('Class `' . __CLASS__ . '` is deprecated since 2025.02 and will be removed after 5 months, implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead.', E_USER_DEPRECATED);
+
 		$this->channel       = $channel;
 		$this->introspection = $introspection;
 	}
diff --git a/src/Core/Logger/Factory/DelegatingLoggerFactory.php b/src/Core/Logger/Factory/DelegatingLoggerFactory.php
index 2091b51bd9..f0001132dd 100644
--- a/src/Core/Logger/Factory/DelegatingLoggerFactory.php
+++ b/src/Core/Logger/Factory/DelegatingLoggerFactory.php
@@ -15,6 +15,8 @@ use Psr\Log\NullLogger;
 
 /**
  * Delegates the creation of a logger based on config to other factories
+ *
+ * @internal
  */
 final class DelegatingLoggerFactory implements LoggerFactory
 {
diff --git a/src/Core/Logger/Factory/Logger.php b/src/Core/Logger/Factory/Logger.php
index fbee580544..78451e713d 100644
--- a/src/Core/Logger/Factory/Logger.php
+++ b/src/Core/Logger/Factory/Logger.php
@@ -18,6 +18,8 @@ use Throwable;
 
 /**
  * The logger factory for the core logging instances
+ *
+ * @deprecated 2025.02 Implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead
  */
 class Logger
 {
@@ -26,6 +28,8 @@ class Logger
 
 	public function __construct(string $channel = LogChannel::DEFAULT)
 	{
+		@trigger_error('Class `' . __CLASS__ . '` is deprecated since 2025.02 and will be removed after 5 months, implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead.', E_USER_DEPRECATED);
+
 		$this->channel = $channel;
 	}
 
diff --git a/src/Core/Logger/Factory/StreamLogger.php b/src/Core/Logger/Factory/StreamLogger.php
index b4fbe73dcc..b2c6de7f3e 100644
--- a/src/Core/Logger/Factory/StreamLogger.php
+++ b/src/Core/Logger/Factory/StreamLogger.php
@@ -20,7 +20,7 @@ use Psr\Log\NullLogger;
 /**
  * The logger factory for the StreamLogger instance
  *
- * @deprecated 2025.02 Use `Friendica\Core\Logger\Factory\StreamLoggerFactory` instead
+ * @deprecated 2025.02 Implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead
  * @see StreamLoggerFactory
  * @see StreamLoggerClass
  */
@@ -40,6 +40,8 @@ class StreamLogger extends AbstractLoggerTypeFactory
 	 */
 	public function create(IManageConfigValues $config, string $logfile = null, string $channel = null): LoggerInterface
 	{
+		@trigger_error('Class `' . __CLASS__ . '` is deprecated since 2025.02 and will be removed after 5 months, implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead.', E_USER_DEPRECATED);
+
 		$fileSystem = new FileSystem();
 
 		$logfile = $logfile ?? $config->get('system', 'logfile');
diff --git a/src/Core/Logger/Factory/SyslogLogger.php b/src/Core/Logger/Factory/SyslogLogger.php
index f95dcb42ff..d9f98f05fd 100644
--- a/src/Core/Logger/Factory/SyslogLogger.php
+++ b/src/Core/Logger/Factory/SyslogLogger.php
@@ -16,7 +16,7 @@ use Psr\Log\LoggerInterface;
 /**
  * The logger factory for the SyslogLogger instance
  *
- * @deprecated 2025.02 Use `Friendica\Core\Logger\Factory\SyslogLoggerFactory` instead
+ * @deprecated 2025.02 Implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead
  * @see SyslogLoggerFactory
  * @see SyslogLoggerClass
  */
@@ -33,6 +33,8 @@ class SyslogLogger extends AbstractLoggerTypeFactory
 	 */
 	public function create(IManageConfigValues $config): LoggerInterface
 	{
+		@trigger_error('Class `' . __CLASS__ . '` is deprecated since 2025.02 and will be removed after 5 months, implement `\Friendica\Core\Logger\Factory\LoggerFactory` instead.', E_USER_DEPRECATED);
+
 		$logOpts     = $config->get('system', 'syslog_flags')    ?? SyslogLoggerClass::DEFAULT_FLAGS;
 		$logFacility = $config->get('system', 'syslog_facility') ?? SyslogLoggerClass::DEFAULT_FACILITY;
 		$loglevel    = SyslogLogger::mapLegacyConfigDebugLevel($config->get('system', 'loglevel'));
diff --git a/src/Core/Logger/Util/FileSystemUtil.php b/src/Core/Logger/Util/FileSystemUtil.php
index f4052b8c59..1c1bbc2726 100644
--- a/src/Core/Logger/Util/FileSystemUtil.php
+++ b/src/Core/Logger/Util/FileSystemUtil.php
@@ -11,6 +11,8 @@ use Friendica\Core\Logger\Exception\LoggerUnusableException;
 
 /**
  * interface for Util class for filesystem manipulation for Logger classes
+ *
+ * @internal
  */
 interface FileSystemUtil
 {