diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
index f8a51dedf6..387c365512 100644
--- a/src/cpu/cpu_x86.c
+++ b/src/cpu/cpu_x86.c
@@ -73,24 +73,8 @@ struct _virCPUx86Feature {
         } \
     }
 
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_CLOCKSOURCE,
-                0x40000001, 0x00000001);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_NOP_IO_DELAY,
-                0x40000001, 0x00000002);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_MMU_OP,
-                0x40000001, 0x00000004);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_CLOCKSOURCE2,
-                0x40000001, 0x00000008);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_ASYNC_PF,
-                0x40000001, 0x00000010);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_STEAL_TIME,
-                0x40000001, 0x00000020);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_PV_EOI,
-                0x40000001, 0x00000040);
 KVM_FEATURE_DEF(VIR_CPU_x86_KVM_PV_UNHALT,
                 0x40000001, 0x00000080);
-KVM_FEATURE_DEF(VIR_CPU_x86_KVM_CLOCKSOURCE_STABLE_BIT,
-                0x40000001, 0x01000000);
 
 KVM_FEATURE_DEF(VIR_CPU_x86_HV_RUNTIME,
                 0x40000003, 0x00000001);
@@ -121,15 +105,7 @@ KVM_FEATURE_DEF(VIR_CPU_x86_HV_EVMCS,
 
 static virCPUx86Feature x86_kvm_features[] =
 {
-    KVM_FEATURE(VIR_CPU_x86_KVM_CLOCKSOURCE),
-    KVM_FEATURE(VIR_CPU_x86_KVM_NOP_IO_DELAY),
-    KVM_FEATURE(VIR_CPU_x86_KVM_MMU_OP),
-    KVM_FEATURE(VIR_CPU_x86_KVM_CLOCKSOURCE2),
-    KVM_FEATURE(VIR_CPU_x86_KVM_ASYNC_PF),
-    KVM_FEATURE(VIR_CPU_x86_KVM_STEAL_TIME),
-    KVM_FEATURE(VIR_CPU_x86_KVM_PV_EOI),
     KVM_FEATURE(VIR_CPU_x86_KVM_PV_UNHALT),
-    KVM_FEATURE(VIR_CPU_x86_KVM_CLOCKSOURCE_STABLE_BIT),
     KVM_FEATURE(VIR_CPU_x86_HV_RUNTIME),
     KVM_FEATURE(VIR_CPU_x86_HV_SYNIC),
     KVM_FEATURE(VIR_CPU_x86_HV_STIMER),
diff --git a/src/cpu/cpu_x86_data.h b/src/cpu/cpu_x86_data.h
index 85aaab709c..2607dd96b1 100644
--- a/src/cpu/cpu_x86_data.h
+++ b/src/cpu/cpu_x86_data.h
@@ -43,15 +43,7 @@ struct _virCPUx86MSR {
 #define CPUX86_KVM      0x40000000
 #define CPUX86_EXTENDED 0x80000000
 
-#define VIR_CPU_x86_KVM_CLOCKSOURCE  "__kvm_clocksource"
-#define VIR_CPU_x86_KVM_NOP_IO_DELAY "__kvm_no_io_delay"
-#define VIR_CPU_x86_KVM_MMU_OP       "__kvm_mmu_op"
-#define VIR_CPU_x86_KVM_CLOCKSOURCE2 "__kvm_clocksource2"
-#define VIR_CPU_x86_KVM_ASYNC_PF     "__kvm_async_pf"
-#define VIR_CPU_x86_KVM_STEAL_TIME   "__kvm_steal_time"
-#define VIR_CPU_x86_KVM_PV_EOI       "__kvm_pv_eoi"
 #define VIR_CPU_x86_KVM_PV_UNHALT    "__kvm_pv_unhalt"
-#define VIR_CPU_x86_KVM_CLOCKSOURCE_STABLE_BIT "__kvm_clocksource_stable"
 
 /*
  * The following HyperV feature names suffixes must exactly match corresponding