diff --git a/app/services/video/provider/dailymotion.rb b/app/services/video/provider/dailymotion.rb
index 3a66f5fa5797fd35e2b617b3e45fac6237d77bec..2cd9d3900692a9f76ecfcbf28b5a24562a3e4213 100644
--- a/app/services/video/provider/dailymotion.rb
+++ b/app/services/video/provider/dailymotion.rb
@@ -1,8 +1,6 @@
 class Video::Provider::Dailymotion < Video::Provider::Default
   DOMAINS = ['dailymotion.com', 'dai.ly']
 
-  # "https://www.dailymotion.com/video/x35l6b8"
-  # "https://dai.ly/x35l6b8"
   def identifier
     video_url.include?('dai.ly')  ? video_url.split('dai.ly/').last
                                   : video_url.split('video/').last
diff --git a/app/services/video/provider/vimeo.rb b/app/services/video/provider/vimeo.rb
index 3d10b85440226a7be369e69398803dba4cd20d8b..f13183cbcc969ccc87a08254fc45b8bfd5a1a08f 100644
--- a/app/services/video/provider/vimeo.rb
+++ b/app/services/video/provider/vimeo.rb
@@ -1,7 +1,6 @@
 class Video::Provider::Vimeo < Video::Provider::Default
   DOMAINS = ['vimeo.com']
 
-  # "https://vimeo.com/248482251"
   def identifier
     video_url.chomp('/').split('/').last
   end
diff --git a/app/services/video/provider/youtube.rb b/app/services/video/provider/youtube.rb
index e9fa299e10619d5ff763a0275c65f1a87718d92e..62153446e92eeade6e43a866d1eb707f95468b60 100644
--- a/app/services/video/provider/youtube.rb
+++ b/app/services/video/provider/youtube.rb
@@ -1,8 +1,6 @@
 class Video::Provider::Youtube < Video::Provider::Default
   DOMAINS = ['youtube.com', 'youtu.be']
 
-  # "https://www.youtube.com/watch?v=sN8Cq5HEBug"
-  # "https://youtu.be/sN8Cq5HEBug"
   def identifier
     video_url.include?('youtu.be')  ? video_url.split('youtu.be/').last
                                     : video_url.split('v=').last