diff --git a/src/general-info/release-21a.txt b/src/general-info/release-21a.txt
index 4b1e86c561a355b0a58025f2709fd6b121a78f75..bbf6d09fc64e4a56cae763fba0b6ba6e0635216e 100644
--- a/src/general-info/release-21a.txt
+++ b/src/general-info/release-21a.txt
@@ -24,6 +24,7 @@ New in this release:
   * Changes
     * Micro-optimize SCALE-FLOAT to do multiplication when possible.
     * Update to ASDF 3.1.4.
+    * The external-format :UTF is no longer an alias for :UTF-8.
 
   * ANSI compliance fixes:
 
diff --git a/src/pcl/simple-streams/external-formats/aliases b/src/pcl/simple-streams/external-formats/aliases
index 2e9214f6749f35fac57401d376b5e428a91e9ce2..59034e44e6b1d7f25c5a006dd0cb81155ff7b810 100644
--- a/src/pcl/simple-streams/external-formats/aliases
+++ b/src/pcl/simple-streams/external-formats/aliases
@@ -190,7 +190,6 @@ mac-uk		mac-cyrillic
 macukrainian	mac-cyrillic
 maccyrillic	mac-cyrillic
 
-utf		utf-8
 utf8		utf-8
 
 ;; UTF-16 will recognize a BOM at the beginning of the file and will