diff --git a/xen/arch/x86/x86_64/Makefile b/xen/arch/x86/x86_64/Makefile
index d5af722421..5b54c16d09 100644
--- a/xen/arch/x86/x86_64/Makefile
+++ b/xen/arch/x86/x86_64/Makefile
@@ -3,7 +3,7 @@ subdir-y += compat
 obj-bin-y += entry.o
 obj-bin-y += gpr_switch.o
 obj-y += traps.o
-obj-y += machine_kexec.o
+obj-$(CONFIG_KEXEC) += machine_kexec.o
 obj-y += pci.o
 obj-y += acpi_mmcfg.o
 obj-y += mmconf-fam10h.o
@@ -12,6 +12,6 @@ obj-y += mmconfig-shared.o
 obj-y += domain.o
 obj-y += cpu_idle.o
 obj-y += cpufreq.o
-obj-bin-y += kexec_reloc.o
+obj-bin-$(CONFIG_KEXEC) += kexec_reloc.o
 
 obj-$(crash_debug)   += gdbstub.o
diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index 6553cff56f..e18e08fc5a 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -220,5 +220,9 @@ SECTIONS
 ASSERT(__image_base__ > XEN_VIRT_START ||
        _end <= XEN_VIRT_END - NR_CPUS * PAGE_SIZE,
        "Xen image overlaps stubs area")
+
+#ifdef CONFIG_KEXEC
 ASSERT(kexec_reloc_size - kexec_reloc <= PAGE_SIZE, "kexec_reloc is too large")
+#endif
+
 ASSERT((cpu0_stack & (STACK_SIZE - 1)) == 0, "cpu0_stack misaligned")
diff --git a/xen/include/asm-x86/smp.h b/xen/include/asm-x86/smp.h
index 64f510b6ba..33c2c32f42 100644
--- a/xen/include/asm-x86/smp.h
+++ b/xen/include/asm-x86/smp.h
@@ -37,7 +37,6 @@ extern void (*mtrr_hook) (void);
 
 extern void zap_low_mappings(void);
 
-#define MAX_APICID 256
 extern u32 x86_cpu_to_apicid[];
 
 #define cpu_physical_id(cpu)	x86_cpu_to_apicid[cpu]