diff --git a/debian/changelog b/debian/changelog
index 252fecebf..bb71f2de5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+linux-tools (4.4~rc4-1~exp1) UNRELEASED; urgency=medium
+
+  * New upstream release candidate
+
+ -- Ben Hutchings <ben@decadent.org.uk>  Mon, 14 Dec 2015 00:48:22 +0000
+
 linux-tools (4.3.1-1) unstable; urgency=medium
 
   * New upstream stable update
diff --git a/debian/patches/lockdep-fix-headers.patch b/debian/patches/lockdep-fix-headers.patch
deleted file mode 100644
index e2c1db8e7..000000000
--- a/debian/patches/lockdep-fix-headers.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-From: Ben Hutchings <ben@decadent.org.uk>
-Date: Thu, 13 Aug 2015 20:48:12 +0200
-Subject: liblockdep: Define WRITE_ONCE(), used by <linux/rbtree_augmented.h>.
-
-Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
----
---- a/tools/lib/lockdep/uinclude/linux/compiler.h
-+++ b/tools/lib/lockdep/uinclude/linux/compiler.h
-@@ -4,4 +4,10 @@
- #define __used		__attribute__((__unused__))
- #define unlikely
- 
-+#define __ACCESS_ONCE(x) ({ \
-+	__attribute__((__unused__)) typeof(x) __var = (__force typeof(x)) 0; \
-+        (volatile typeof(x) *)&(x); })
-+#define ACCESS_ONCE(x) (*__ACCESS_ONCE(x))
-+#define WRITE_ONCE(x, val) (ACCESS_ONCE(x) = (val))
-+
- #endif
diff --git a/debian/patches/series b/debian/patches/series
index d5becb893..c8eedbf7f 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -7,7 +7,6 @@ kbuild-fix-recordmcount-dependency.patch
 usbip-include-uninstalled-linux-usbip-h.patch
 tools-perf-man-date.patch
 lockdep-fix-oot-build.patch
-lockdep-fix-headers.patch
 lockdep-fix-soname.patch
 tools-perf-remove-shebangs.patch
 tools-lib-traceevent-use-ldflags.patch