diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 38f468d8e2..de12f78eb8 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -1639,10 +1639,8 @@ static int kvm_init(MachineState *ms)
         s->irq_set_ioctl = KVM_IRQ_LINE_STATUS;
     }
 
-#ifdef KVM_CAP_READONLY_MEM
     kvm_readonly_mem_allowed =
         (kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0);
-#endif
 
     kvm_eventfds_allowed =
         (kvm_check_extension(s, KVM_CAP_IOEVENTFD) > 0);
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 9313602d3d..0b2a07d3a4 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1381,17 +1381,9 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
     int ret;
     struct utsname utsname;
 
-#ifdef KVM_CAP_XSAVE
     has_xsave = kvm_check_extension(s, KVM_CAP_XSAVE);
-#endif
-
-#ifdef KVM_CAP_XCRS
     has_xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
-#endif
-
-#ifdef KVM_CAP_PIT_STATE2
     has_pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
-#endif
 
     hv_vpindex_settable = kvm_check_extension(s, KVM_CAP_HYPERV_VP_INDEX);