diff --git a/src/kernel/core/arch/ppc/arch_cpu.c b/src/kernel/core/arch/ppc/arch_cpu.c
index c4e649c724..8635583d6d 100755
--- a/src/kernel/core/arch/ppc/arch_cpu.c
+++ b/src/kernel/core/arch/ppc/arch_cpu.c
@@ -141,40 +141,6 @@ error:
 }
 
 
-int
-arch_cpu_user_strcpy(char *to, const char *from, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while ((*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-	return 0;
-
-error:
-	*fault_handler = 0;
-	return B_BAD_ADDRESS;
-}
-
-
-int
-arch_cpu_user_strncpy(char *to, const char *from, size_t size, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while(size-- && (*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-	return 0;
-
-error:
-	*fault_handler = 0;
-	return B_BAD_ADDRESS;
-}
-
-
 /**	\brief Copies at most (\a size - 1) characters from the string in \a from to
  *	the string in \a to, NULL-terminating the result.
  *
diff --git a/src/kernel/core/arch/sh4/arch_cpu.c b/src/kernel/core/arch/sh4/arch_cpu.c
index 621eec9d79..2d35e0260a 100755
--- a/src/kernel/core/arch/sh4/arch_cpu.c
+++ b/src/kernel/core/arch/sh4/arch_cpu.c
@@ -148,40 +148,6 @@ error:
 }
 
 
-int
-arch_cpu_user_strcpy(char *to, const char *from, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while((*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-
-	return 0;
-error:
-	*fault_handler = 0;
-	return ERR_VM_BAD_USER_MEMORY;
-}
-
-
-int
-arch_cpu_user_strncpy(char *to, const char *from, size_t size, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while(size-- && (*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-
-	return 0;
-error:
-	*fault_handler = 0;
-	return ERR_VM_BAD_USER_MEMORY;
-}
-
-
 int
 arch_cpu_user_memset(void *s, char c, size_t count, addr *fault_handler)
 {
diff --git a/src/kernel/core/arch/x86/arch_cpu.c b/src/kernel/core/arch/x86/arch_cpu.c
index 3e3290c8fe..af26ab7a80 100755
--- a/src/kernel/core/arch/x86/arch_cpu.c
+++ b/src/kernel/core/arch/x86/arch_cpu.c
@@ -162,48 +162,6 @@ error:
 }
 
 
-int
-arch_cpu_user_strcpy(char *to, const char *from, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while ((*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-	return 0;
-
-error:
-	*fault_handler = 0;
-	return B_BAD_ADDRESS;
-}
-
-
-int
-arch_cpu_user_strncpy(char *to, const char *from, size_t size, addr *fault_handler)
-{
-	*fault_handler = (addr)&&error;
-
-	while(size-- && (*to++ = *from++) != '\0')
-		;
-
-	*fault_handler = 0;
-	return 0;
-
-error:
-	*fault_handler = 0;
-	return B_BAD_ADDRESS;
-}
-
-/*!	\brief Copies at most (\a size - 1) characters from the string in \a from to
-	the string in \a to, NULL-terminating the result.
-
-	\param to Pointer to the destination C-string.
-	\param from Pointer to the source C-string.
-	\param size Size in bytes of the string buffer pointed to by \a to.
-	
-	\return strlen(\a from).
-*/
 int
 arch_cpu_user_strlcpy(char *to, const char *from, size_t size, addr *faultHandler)
 {