diff --git a/KNOWNBUG b/KNOWNBUG
index 0ed0e5a1..4bb5d42c 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,24 +1,17 @@
 
 Known bugs in libpng version 1.2.45rc01
 
-1. December 4, 2009: The PNG_NO_ERROR_NUMBERS macro was inadvertently
-   defined in libpng-1.2.41/pngconf.h, which may cause a problem with
-   building a binary-compatible library.
-
-   STATUS: This will be fixed in libpng-1.2.42.  In the meantime, simply
-   delete the definition from line :
-
-2. February 23, 2006: The custom makefiles don't build libpng with -lz.
+1. February 23, 2006: The custom makefiles don't build libpng with -lz.
 
    STATUS: This is a subject of debate. The change will probably be made
    as a part of a major overhaul of the makefiles in libpng version 1.4.0.
 
-3. February 24, 2006: The Makefile generated by the "configure" script
+2. February 24, 2006: The Makefile generated by the "configure" script
    fails to install symbolic links
    libpng12.so => libpng12.so.0.1.2.9betaN
    that are generated by the custom makefiles.
 
-4. September 4, 2007:  There is a report that pngtest crashes on MacOS 10.
+3. September 4, 2007:  There is a report that pngtest crashes on MacOS 10.
 
    STATUS: workarounds are
       1) Compile without optimization (crashes are observed with