diff --git a/tools/xenstat/libxenstat/Makefile b/tools/xenstat/libxenstat/Makefile
index f64a45c773..86068cba60 100644
--- a/tools/xenstat/libxenstat/Makefile
+++ b/tools/xenstat/libxenstat/Makefile
@@ -15,10 +15,6 @@
 XEN_ROOT=$(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-prefix=$(PREFIX)
-includedir=$(prefix)/include
-libdir=$(prefix)/lib
-
 LDCONFIG=ldconfig
 MAKE_LINK=ln -sf