diff --git a/get_youtube_videos/get_youtube_videos.py b/get_youtube_videos/get_youtube_videos.py
index 862dee6..cb7a78b 100644
--- a/get_youtube_videos/get_youtube_videos.py
+++ b/get_youtube_videos/get_youtube_videos.py
@@ -134,36 +134,11 @@ class GetYoutubeVideos:
         data['last_update'] = time.time()
         with open(self.config['cache_file'], 'w', encoding='utf-8') as cache_file:
             json.dump(data, cache_file, indent=2)
-        self._debug(
-            f"Saved cached data in '{self.config['cache_file']}'",
+        self._log.debug(
+            "Saved cached data in '%s'",
+            self.config['cache_file']
         )
 
-    def _output(self, message):
-        if self.config['output_format'] == 'JSON':
-            return json.dumps(message, indent=2)
-        elif self.config['output_format'] == 'YAML':
-            return yaml.dump(message, Dumper=yaml.Dumper)
-        elif self.config['output_format'] == 'PLAIN':
-            return f"{message}"
-        else:
-            self._log.warning(
-                "Output format '%s' not supported",
-                self.config['output_format']
-            )
-            return message
-
-    def _info(self, message):
-        return self._log.info(self._output(message))
-
-    def _warning(self, message):
-        return self._log.warning(self._output(message))
-
-    def _error(self, message):
-        return self._log.error(self._output(message))
-
-    def _debug(self, message):
-        return self._log.debug(self._output(message))
-
     def _is_numeric(self, variable):
         if isinstance(variable, (int, float, complex)):
             return True