diff --git a/libwvdrmengine/oemcrypto/CHANGELOG.md b/libwvdrmengine/oemcrypto/CHANGELOG.md
index c5535518..34709cc8 100644
--- a/libwvdrmengine/oemcrypto/CHANGELOG.md
+++ b/libwvdrmengine/oemcrypto/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 [TOC]
 
+## [Version 18.2][v18.2]
+
+- Remove WTPI_MaxBufferSizeForDecrypt and WTPI_ApplyCGMS from
+wtpi_config_interface.h. These functions are not called by any of the OPK code.
+
 ## [Version 18.1][v18.1]
 
 OEMCrypto V18.0 consisted of header files only. This release includes tests and