diff --git a/evolution.changes b/evolution.changes
index 05cd216..874e2cf 100644
--- a/evolution.changes
+++ b/evolution.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri May 28 07:30:49 UTC 2010 - lnussel@suse.de
+
+- remove build dependency on libytnef as it's not used anyways. The
+  tnef plugin is experimental and has security issues so we don't
+  want to enable it (bnc#609013)
+
 -------------------------------------------------------------------
 Wed May 26 13:06:24 UTC 2010 - dimstar@opensuse.org
 
diff --git a/evolution.spec b/evolution.spec
index de445aa..85d44e3 100644
--- a/evolution.spec
+++ b/evolution.spec
@@ -46,7 +46,8 @@ BuildRequires:  libpisock-devel
 BuildRequires:  libpisync-devel
 BuildRequires:  libpst-devel
 BuildRequires:  libunique-devel
-BuildRequires:  libytnef-devel
+# don't you ever enable this! It's experimental and insecure (bnc#609013)
+#BuildRequires:  libytnef-devel
 BuildRequires:  mozilla-nss-devel
 BuildRequires:  nss-shared-helper-devel
 BuildRequires:  pilot-link