diff --git a/src/util/virhostcpu.c b/src/util/virhostcpu.c
index 585343aa94336847fe91746aa8c08b5c2f305215..0f03ff82feaee0348d48fe1225cca953cc6b49bd 100644
--- a/src/util/virhostcpu.c
+++ b/src/util/virhostcpu.c
@@ -65,17 +65,6 @@ VIR_LOG_INIT("util.hostcpu");
 
 #define KVM_DEVICE "/dev/kvm"
 
-/* add definitions missing in older linux/kvm.h */
-#ifndef KVMIO
-# define KVMIO 0xAE
-#endif
-#ifndef KVM_CHECK_EXTENSION
-# define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
-#endif
-#ifndef KVM_CAP_NR_VCPUS
-# define KVM_CAP_NR_VCPUS 9       /* returns max vcpus per vm */
-#endif
-
 
 #if defined(__FreeBSD__) || defined(__APPLE__)
 static int