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Remove Howdy from WordPress Top Admin Bar
Locate folder/file : WP-INCLUDES / ADMIN-BAR.PHP .
Search for “Howdy” (line 222 for WP version 5.0.3, line 255 for WP version 5.6 and newer).
Remove the content value of $howdy variable.
$howdy = ''; // sprintf( __( 'Howdy, %s' ), '' . $current_user->display_name . '' );
WordPress 5.3 – The file location changed to WP-INCLUDES / ADMIN-BAR.PHP