diff --git a/argyllcms.changes b/argyllcms.changes
index 95a4a3e..49bf23c 100644
--- a/argyllcms.changes
+++ b/argyllcms.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Jan 19 15:24:23 UTC 2012 - fcrozat@suse.com
+
+- remove unused copies of libusb0 and libusbw
+- remove unused code from libusb1 directory (windows / macos)
+- call autoreconf in %build
+
 -------------------------------------------------------------------
 Mon Jan 16 16:21:17 UTC 2012 - fcrozat@suse.com
 
diff --git a/argyllcms.spec b/argyllcms.spec
index 3be37cc..87b6cb6 100644
--- a/argyllcms.spec
+++ b/argyllcms.spec
@@ -116,10 +116,14 @@ Color Consortium (ICC) Profile Format Specification, Version 3.4.
 %endif
 %endif
 
+# remove unused source code
+rm -fr libusb libusbw
+rm -fr libusb1/{*.inf,*.rtf,*.inf,*.cat,*.vcproj,*.sys,*.sed,*.dsw,*.sln,*.dsp,*template*,WinCo*,winsub*,*kext*,KDRIVER_LICENSE,README_MSVC.txt,msvc,*.cmd}
+
+%build
 #needed by patches 1 & 2
 autoreconf -i
 
-%build
 %configure
 make