diff --git a/imsc1/spec/ttml-ww-profiles.html b/imsc1/spec/ttml-ww-profiles.html
index 7dfd8763..9e5c7aa4 100755
--- a/imsc1/spec/ttml-ww-profiles.html
+++ b/imsc1/spec/ttml-ww-profiles.html
@@ -128,11 +128,6 @@
                           publisher: "ARIB",
                           href:"https://www.arib.or.jp/english/std_tr/broadcasting/std-b62.html",
                           title: "STD-B62, Multimedia Coding Specification For Digital Broadcasting (Second Generation), Version 2.2 (Fascicle 1)"
-                          },
-                          "ISO10646": {
-                            publisher: "International Organization for Standardization",
-                            href: "https://www.iso.org/standard/76835.html",
-                            title: " ISO/IEC 10646:2020 Information technology — Universal coded character set (UCS)/"
                           }
                       }
         };
@@ -3627,11 +3622,11 @@ <h2>Common Character Sets</h2>
 
           <td>
           (Basic Japanese Collection)<br>
-          Collection 285 at [[ISO10646]]<br>
+          Collection 285 at [[UNICODE]]<br>
           (Japanese Non Ideographic Extension)<br>
-          Collection 286 at [[ISO10646]]<br>
+          Collection 286 at [[UNICODE]]<br>
           (JIS2004 Ideographics Extension)<br>
-          Collection 371 at [[ISO10646]]<br>
+          Collection 371 at [[UNICODE]]<br>
           (Fullwidth ASCII variants)<br>
           U+FF01 – U+FF5E<br>
           (Fullwidth Symbol variants)<br>