diff --git a/ChangeLog b/ChangeLog
index 4b0c1eb..243828d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24,6 +24,10 @@
      recent versions of the library. Found by Kyle Keen.
    * Fixed issue in mutexes to failing to initialise. #667
 
+Bugfix
+   * Remove macros from compat-1.3.h that correspond to deleted items from most
+     recent versions of the library. Found by Kyle Keen.
+
 = mbed TLS 2.4.2 branch released 2017-03-08
 
 Security