diff --git a/common/include/arch/i386/interrupt.h b/common/include/arch/i386/interrupt.h
index 01311979c..86b9447ff 100644
--- a/common/include/arch/i386/interrupt.h
+++ b/common/include/arch/i386/interrupt.h
@@ -35,7 +35,7 @@
 #define IRQ8_VECTOR     0x70	/* no need to move IRQ8-15 */
 
 /* Hardware interrupt numbers. */
-#ifndef CONFIG_APIC
+#ifndef USE_APIC
 #define NR_IRQ_VECTORS    16
 #else
 #define NR_IRQ_VECTORS    64
diff --git a/drivers/ramdisk/Makefile b/drivers/ramdisk/Makefile
index 6edb431ce..2f7d9ce4e 100644
--- a/drivers/ramdisk/Makefile
+++ b/drivers/ramdisk/Makefile
@@ -10,8 +10,8 @@ SCRIPTS=newroot
 PROGRAMS+= ahci ext2
 .endif
 
-# acpi is not compiled with ack or if MKEMBED
-.if ${COMPILER_TYPE} == "gnu" && ${MKEMBED} != "yes"
+# acpi is not compiled with ack
+.if ${COMPILER_TYPE} == "gnu" && ${MKACPI} != "no"
 PROGRAMS+= acpi
 .endif
 
diff --git a/kernel/Makefile b/kernel/Makefile
index b098f1772..6cae964ce 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -49,6 +49,16 @@ SRCS+= watchdog.c arch_watchdog.c
 CPPFLAGS+= -DUSE_WATCHDOG
 .endif
 
+.if ${USE_ACPI} != "no"
+SRCS+= acpi.c
+CPPFLAGS+= -DUSE_ACPI
+.endif
+
+.if ${USE_APIC} != "no"
+SRCS+= apic.c apic_asm.S
+CPPFLAGS+= -DUSE_APIC
+.endif
+
 # These come last, so the profiling buffer is at the end of the data segment
 SRCS+= profile.c do_sprofile.c
 
diff --git a/kernel/arch/i386/Makefile.inc b/kernel/arch/i386/Makefile.inc
index f64341bbe..4d9f7db13 100644
--- a/kernel/arch/i386/Makefile.inc
+++ b/kernel/arch/i386/Makefile.inc
@@ -27,10 +27,7 @@ SRCS+=	arch_do_vmctl.c \
 	oxpcie.c \
 	protect.c \
 	arch_system.c \
-	apic.c \
-	apic_asm.S \
-	pre_init.c \
-	acpi.c
+	pre_init.c
 
 .ifdef CONFIG_SMP
 SRCS += arch_smp.c trampoline.S
diff --git a/kernel/arch/i386/apic.c b/kernel/arch/i386/apic.c
index a7f921818..b73b98f1a 100644
--- a/kernel/arch/i386/apic.c
+++ b/kernel/arch/i386/apic.c
@@ -820,7 +820,7 @@ PRIVATE struct gate_table_s gate_table_smp[] = {
 };
 #endif
 
-#ifdef CONFIG_APIC_DEBUG
+#ifdef APIC_DEBUG
 PRIVATE void lapic_set_dummy_handlers(void)
 {
 	char * handler;
@@ -852,7 +852,7 @@ PUBLIC void apic_idt_init(const int reset)
 		return;
 	}
 
-#ifdef CONFIG_APIC_DEBUG
+#ifdef APIC_DEBUG
 	if (is_bsp)
 		printf("APIC debugging is enabled\n");
 	lapic_set_dummy_handlers();
diff --git a/kernel/arch/i386/apic_asm.S b/kernel/arch/i386/apic_asm.S
index ec51950ed..33a379d15 100644
--- a/kernel/arch/i386/apic_asm.S
+++ b/kernel/arch/i386/apic_asm.S
@@ -83,7 +83,7 @@ ENTRY(apic_ipi_halt_intr)
 
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_APIC_DEBUG
+#ifdef APIC_DEBUG
 
 .data
 lapic_intr_dummy_handler_msg:
@@ -426,4 +426,4 @@ LABEL(lapic_intr_dummy_handles_start)
 LABEL(lapic_intr_dummy_handles_end)
 
 
-#endif /* CONFIG_APIC_DEBUG */
+#endif /* APIC_DEBUG */
diff --git a/kernel/arch/i386/apic_asm.h b/kernel/arch/i386/apic_asm.h
index ff06334da..d3da2037b 100644
--- a/kernel/arch/i386/apic_asm.h
+++ b/kernel/arch/i386/apic_asm.h
@@ -77,9 +77,9 @@ _PROTOTYPE(void apic_error_intr, (void));
 
 #endif
 
-#define CONFIG_APIC_DEBUG
+#define APIC_DEBUG
 
-#ifdef CONFIG_APIC_DEBUG
+#ifdef APIC_DEBUG
 
 #define LAPIC_INTR_DUMMY_HANDLER_SIZE	32
 
@@ -88,6 +88,6 @@ EXTERN char lapic_intr_dummy_handles_start;
 EXTERN char lapic_intr_dummy_handles_end;
 #endif
 
-#endif /* CONFIG_APIC_DEBUG */
+#endif /* APIC_DEBUG */
 
 #endif /* __APIC_ASM_H__ */
diff --git a/kernel/arch/i386/arch_clock.c b/kernel/arch/i386/arch_clock.c
index 31c4d8358..d07e17366 100644
--- a/kernel/arch/i386/arch_clock.c
+++ b/kernel/arch/i386/arch_clock.c
@@ -14,7 +14,7 @@
 #include "profile.h"
 
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 #include "apic.h"
 #endif
 #include "spinlock.h"
@@ -121,7 +121,7 @@ PRIVATE void estimate_cpu_freq(void)
 
 PUBLIC int init_local_timer(unsigned freq)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	/* if we know the address, lapic is enabled and we should use it */
 	if (lapic_addr) {
 		unsigned cpu = cpuid;
@@ -144,7 +144,7 @@ PUBLIC int init_local_timer(unsigned freq)
 
 PUBLIC void stop_local_timer(void)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	if (lapic_addr) {
 		lapic_stop_timer();
 		apic_eoi();
@@ -157,7 +157,7 @@ PUBLIC void stop_local_timer(void)
 
 PUBLIC void restart_local_timer(void)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	if (lapic_addr) {
 		lapic_restart_timer();
 	}
@@ -166,7 +166,7 @@ PUBLIC void restart_local_timer(void)
 
 PUBLIC int register_local_timer_handler(const irq_handler_t handler)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	if (lapic_addr) {
 		/* Using APIC, it is configured in apic_idt_init() */
 		BOOT_VERBOSE(printf("Using LAPIC timer as tick source\n"));
diff --git a/kernel/arch/i386/arch_system.c b/kernel/arch/i386/arch_system.c
index 2c32b82c6..bb48c2afd 100644
--- a/kernel/arch/i386/arch_system.c
+++ b/kernel/arch/i386/arch_system.c
@@ -29,11 +29,13 @@
 
 #include "glo.h"
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 #include "apic.h"
 #endif
 
+#ifdef USE_ACPI
 #include "acpi.h"
+#endif
 
 PRIVATE int osfxsr_feature; /* FXSAVE/FXRSTOR instructions support (SSEx) */
 
@@ -348,7 +350,7 @@ PUBLIC void cpu_identify(void)
 
 PUBLIC void arch_init(void)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	/*
 	 * this is setting kernel segments to cover most of the phys memory. The
 	 * value is high enough to reach local APIC nad IOAPICs before paging is
@@ -379,9 +381,11 @@ PUBLIC void arch_init(void)
 	ser_init();
 #endif
 
+#ifdef USE_ACPI
 	acpi_init();
+#endif
 
-#if defined(CONFIG_APIC) && !defined(CONFIG_SMP)
+#if defined(USE_APIC) && !defined(CONFIG_SMP)
 	if (config_no_apic) {
 		BOOT_VERBOSE(printf("APIC disabled, using legacy PIC\n"));
 	}
@@ -555,7 +559,7 @@ PRIVATE void ser_debug(const int c)
 	TOGGLECASE('8', VF_SCHEDULING)
 	TOGGLECASE('9', VF_PICKPROC)
 #endif
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	case 'I':
 		dump_apic_irq_state();
 		break;
diff --git a/kernel/arch/i386/include/hw_intr.h b/kernel/arch/i386/include/hw_intr.h
index f49cb2b09..1f3f0a706 100644
--- a/kernel/arch/i386/include/hw_intr.h
+++ b/kernel/arch/i386/include/hw_intr.h
@@ -16,7 +16,7 @@ _PROTOTYPE(void eoi_8259_slave,(void));
  * configurations. ACPI would be another option, however we don't support it
  * either
  */
-#if defined(CONFIG_APIC)
+#if defined(USE_APIC)
 #include "arch/i386/apic.h"
 
 #define hw_intr_mask(irq)	ioapic_mask_irq(irq)
diff --git a/kernel/arch/i386/memory.c b/kernel/arch/i386/memory.c
index fd49ff270..e2a05c479 100644
--- a/kernel/arch/i386/memory.c
+++ b/kernel/arch/i386/memory.c
@@ -20,7 +20,7 @@
 #include "kernel/proto.h"
 #include "kernel/debug.h"
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 #include "apic.h"
 #ifdef USE_WATCHDOG
 #include "kernel/watchdog.h"
@@ -901,7 +901,7 @@ PUBLIC int arch_phys_map(const int index,
 	static char *ser_var = NULL;
 
 	if(first) {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 		if(lapic_addr)
 			freeidx++;
 		if (ioapic_enabled)
@@ -920,7 +920,7 @@ PUBLIC int arch_phys_map(const int index,
 		first = 0;
 	}
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	/* map the local APIC if enabled */
 	if (index == 0) {
 		if (!lapic_addr)
@@ -952,7 +952,7 @@ PUBLIC int arch_phys_map(const int index,
 
 PUBLIC int arch_phys_map_reply(const int index, const vir_bytes addr)
 {
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	/* if local APIC is enabled */
 	if (index == 0 && lapic_addr) {
 		lapic_addr_vaddr = addr;
@@ -1021,7 +1021,7 @@ PUBLIC int arch_enable_paging(struct proc * caller, const message * m_ptr)
 	if (newmap(caller, caller, ep_data.mem_map) != OK)
 		panic("arch_enable_paging: newmap failed");
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 	/* start using the virtual addresses */
 
 	/* if local APIC is enabled */
diff --git a/kernel/config.h b/kernel/config.h
index 29f54056f..f235944e3 100644
--- a/kernel/config.h
+++ b/kernel/config.h
@@ -57,7 +57,7 @@
  * the maximum needed by any given driver. The number of interrupt hooks may
  * be incremented on systems with many device drivers. 
  */
-#ifndef CONFIG_APIC
+#ifndef USE_APIC
 #define NR_IRQ_HOOKS	  16		/* number of interrupt hooks */
 #else
 #define NR_IRQ_HOOKS	  64		/* number of interrupt hooks */
diff --git a/kernel/glo.h b/kernel/glo.h
index 177a3b7a2..51adb7583 100644
--- a/kernel/glo.h
+++ b/kernel/glo.h
@@ -54,7 +54,7 @@ EXTERN u32_t magictest;			/* global magic number */
 EXTERN int verboseflags;
 #endif
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
 EXTERN int config_no_apic; /* optionaly turn off apic */
 EXTERN int config_apic_timer_x; /* apic timer slowdown factor */
 #endif
diff --git a/kernel/kernel.h b/kernel/kernel.h
index 030f60860..73f375a4e 100644
--- a/kernel/kernel.h
+++ b/kernel/kernel.h
@@ -1,10 +1,6 @@
 #ifndef KERNEL_H
 #define KERNEL_H
 
-/* APIC is turned on by default */
-#ifndef CONFIG_APIC
-#define CONFIG_APIC
-#endif
 /* boot verbose */
 #define CONFIG_BOOT_VERBOSE
 
diff --git a/kernel/start.c b/kernel/start.c
index 8b2e0eb3a..55f8a28bf 100644
--- a/kernel/start.c
+++ b/kernel/start.c
@@ -93,7 +93,7 @@ PUBLIC void cstart(
   	if (value) serial_debug_baud = atoi(value);
   }
 
-#ifdef CONFIG_APIC
+#ifdef USE_APIC
   value = env_get("no_apic");
   if(value)
 	config_no_apic = atoi(value);
diff --git a/share/mk/bsd.own.mk b/share/mk/bsd.own.mk
index 46a1928c7..d3f119712 100644
--- a/share/mk/bsd.own.mk
+++ b/share/mk/bsd.own.mk
@@ -758,7 +758,7 @@ _MKVARS.yes= \
 	MKYP
 #MINIX-specific vars
 _MKVARS.yes+= \
-	MKWATCHDOG
+	MKWATCHDOG MKACPI MKAPIC
 .for var in ${_MKVARS.yes}
 ${var}?=	yes
 .endfor
@@ -819,6 +819,8 @@ MKNLS:=		no
 # MINIX
 .if ${MKEMBED} == "yes"
 MKWATCHDOG:=	no
+MKACPI:=	no
+MKAPIC:=	no
 .endif
 
 #
@@ -880,7 +882,7 @@ ${var}?= no
 # variable is set to "no".
 #
 .for var in USE_HESIOD USE_INET6 USE_KERBEROS USE_LDAP USE_PAM USE_YP \
-USE_WATCHDOG
+USE_WATCHDOG USE_ACPI USE_APIC
 .if (${${var:S/USE_/MK/}} == "no")
 ${var}:= no
 .else