diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index b41d339..78d69dc 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -10,7 +10,6 @@
 #include "linux/spinlock.h"
 #include "linux/highmem.h"
 #include "asm/current.h"
-#include "asm/delay.h"
 #include "asm/processor.h"
 #include "asm/unistd.h"
 #include "asm/pgalloc.h"
@@ -28,8 +27,6 @@
 EXPORT_SYMBOL(set_signals);
 EXPORT_SYMBOL(get_signals);
 EXPORT_SYMBOL(kernel_thread);
-EXPORT_SYMBOL(__const_udelay);
-EXPORT_SYMBOL(__udelay);
 EXPORT_SYMBOL(sys_waitpid);
 EXPORT_SYMBOL(task_size);
 EXPORT_SYMBOL(flush_tlb_range);
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index 2461cd7..6516fc5 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -48,8 +48,6 @@
 static long long delta;   		/* Deviation per interval */
 #endif
 
-#define MILLION 1000000
-
 void timer_irq(union uml_pt_regs *regs)
 {
 	unsigned long long ticks = 0;
@@ -136,22 +134,6 @@
 	return 0;
 }
 
-void __udelay(unsigned long usecs)
-{
-	int i, n;
-
-	n = (loops_per_jiffy * HZ * usecs) / MILLION;
-	for(i=0;i<n;i++) ;
-}
-
-void __const_udelay(unsigned long usecs)
-{
-	int i, n;
-
-	n = (loops_per_jiffy * HZ * usecs) / MILLION;
-	for(i=0;i<n;i++) ;
-}
-
 void timer_handler(int sig, union uml_pt_regs *regs)
 {
 	local_irq_disable();
diff --git a/arch/um/sys-i386/delay.c b/arch/um/sys-i386/delay.c
index 20d37db..e9892ee 100644
--- a/arch/um/sys-i386/delay.c
+++ b/arch/um/sys-i386/delay.c
@@ -1,3 +1,6 @@
+#include "linux/delay.h"
+#include "asm/param.h"
+
 void __delay(unsigned long time)
 {
 	/* Stolen from the i386 __loop_delay */
@@ -12,3 +15,18 @@
 		:"0" (time));
 }
 
+void __udelay(unsigned long usecs)
+{
+	int i, n;
+
+	n = (loops_per_jiffy * HZ * usecs) / MILLION;
+	for(i=0;i<n;i++) ;
+}
+
+void __const_udelay(unsigned long usecs)
+{
+	int i, n;
+
+	n = (loops_per_jiffy * HZ * usecs) / MILLION;
+	for(i=0;i<n;i++) ;
+}
diff --git a/arch/um/sys-i386/ksyms.c b/arch/um/sys-i386/ksyms.c
index b10bfdd..db524ab3 100644
--- a/arch/um/sys-i386/ksyms.c
+++ b/arch/um/sys-i386/ksyms.c
@@ -2,6 +2,7 @@
 #include "linux/in6.h"
 #include "linux/rwsem.h"
 #include "asm/byteorder.h"
+#include "asm/delay.h"
 #include "asm/semaphore.h"
 #include "asm/uaccess.h"
 #include "asm/checksum.h"
@@ -14,3 +15,7 @@
 
 /* Networking helper routines. */
 EXPORT_SYMBOL(csum_partial);
+
+/* delay core functions */
+EXPORT_SYMBOL(__const_udelay);
+EXPORT_SYMBOL(__udelay);
diff --git a/arch/um/sys-x86_64/delay.c b/arch/um/sys-x86_64/delay.c
index f3b5187..651332a 100644
--- a/arch/um/sys-x86_64/delay.c
+++ b/arch/um/sys-x86_64/delay.c
@@ -5,7 +5,9 @@
  * Licensed under the GPL
  */
 
+#include "linux/delay.h"
 #include "asm/processor.h"
+#include "asm/param.h"
 
 void __delay(unsigned long loops)
 {
@@ -14,6 +16,22 @@
 	for(i = 0; i < loops; i++) ;
 }
 
+void __udelay(unsigned long usecs)
+{
+	int i, n;
+
+	n = (loops_per_jiffy * HZ * usecs) / MILLION;
+	for(i=0;i<n;i++) ;
+}
+
+void __const_udelay(unsigned long usecs)
+{
+	int i, n;
+
+	n = (loops_per_jiffy * HZ * usecs) / MILLION;
+	for(i=0;i<n;i++) ;
+}
+
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
  * Emacs will notice this stuff at the end of the file and automatically
diff --git a/include/asm-um/delay.h b/include/asm-um/delay.h
index 4069557..0985bda 100644
--- a/include/asm-um/delay.h
+++ b/include/asm-um/delay.h
@@ -4,4 +4,6 @@
 #include "asm/arch/delay.h"
 #include "asm/archparam.h"
 
+#define MILLION 1000000
+
 #endif