diff --git a/debian/arch/powerpc/defines b/debian/arch/powerpc/defines
index 4f0fb2134..2545c49ed 100644
--- a/debian/arch/powerpc/defines
+++ b/debian/arch/powerpc/defines
@@ -4,7 +4,6 @@ flavours:
  powerpc-smp
  powerpc-miboot
  powerpc64
- prep
 kernel-header-dirs: powerpc ppc m68k
 kernel-arch: powerpc
 kpkg-subarch: ppc
diff --git a/debian/changelog b/debian/changelog
index 5f48fddce..5ced7fedf 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-linux-2.6 (2.6.17-1) unstable; urgency=low
+linux-2.6 (2.6.17-1) UNRELEASED; urgency=low
 
   [ Frederik Schüler ]
   * New upstream release.
@@ -25,6 +25,7 @@ linux-2.6 (2.6.17-1) unstable; urgency=low
   * [s390] Use gcc 4.1.
   * [i386] Enable REGPARM.
   * [i386] Use gcc 4.1.
+  * [powerpc] Disable prep.
 
   [ dann frazier ]
   * [ia64] Update configs