How Do I erase the YouTube Queue on My Android Phone?
Just a few taps on an Android unit can clear out the queue.
Tap theXlocated at the far right of theTV Queuebar to flush the entire list of selected videos.

If you intend to keep watching videos, tapcancel.
Conversely, if you want to stop playback and close YouTube on your Chromecast, selectclose player.
This allows users the opportunity to further curate their viewing and listening experience from their Android devices.

Tap theTV Queuebar to bring up the list of videos and songs slated to be played.
Tap on thethree dotsto the right of an item you want to remove.
Once opened, select theRemove from Queueoption to delete the selection from the queue.

initiate the YouTube Music app and tap the song currently playing, located at the bottom of the screen.
Once at the Now Playing screen, tapUp Nextoption located at the bottom left of the screen.
This will pull up the queue.
At the queue screen, select a song and remove it byswiping either right or left.
This must be done for every song you want to remove.
If you still have issues, you shouldtroubleshoot your Chromecast.
First, ensure your Chromecast and smartphone are both on the same Wi-Fi web connection.
In the YouTube app on your mobile gadget, start playing a video and tap theCasticon.
It looks like a rounded corner rectangle with three curved lines in the bottom-left corner