diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 9d4e8bcef3af..4b6fd5e08593 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jul 25 01:43:34 1999  Anthony Green  <green@cygnus.com>
+
+	* mauve-libgcj: Disable Object Serialization tests.
+
 1999-07-20  Warren Levy  <warrenl@cygnus.com>
 
 	* java/net/DatagramSocket.java (DatagramSocket(int, InetAddress)):
diff --git a/libjava/mauve-libgcj b/libjava/mauve-libgcj
index b1454c8e5d84..29a1516515f4 100644
--- a/libjava/mauve-libgcj
+++ b/libjava/mauve-libgcj
@@ -4,6 +4,9 @@ JDK1.1
 !java.applet
 !java.awt
 !java.beans
+# We don't support object serialization yet.
+!java.io.ObjectStreamClass
+!java.io.ObjectInputOutput
 java.lang.Character.classify12
 java.lang.String.hash
 # We don't have the URL function in Class yet.