diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 9a18cdbfd60f..9049bfee409c 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -626,8 +626,6 @@ void acpi_ut_repair_name(char *name);
 #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT)
 u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source);
 
-void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size);
-
 u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source);
 
 u8
diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c
index 93867ad7f342..a465e5a1d309 100644
--- a/drivers/acpi/acpica/utnonansi.c
+++ b/drivers/acpi/acpica/utnonansi.c
@@ -164,20 +164,4 @@ acpi_ut_safe_strncat(char *dest,
 	return (FALSE);
 }
 
-void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size)
-{
-	/* Always terminate destination string */
-
-#ifdef __KERNEL__
-	strscpy_pad(dest, source, dest_size);
-#else
-	/*
-	 * strscpy_pad() is not defined in ACPICA tools builds, so use strncpy()
-	 * and directly NUL-terminate the destination string in that case.
-	 */
-	strncpy(dest, source, dest_size);
-	dest[dest_size - 1] = 0;
-#endif
-}
-
 #endif
diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h
index aeb74e2f9d4f..760e1ded325c 100644
--- a/include/acpi/platform/aclinuxex.h
+++ b/include/acpi/platform/aclinuxex.h
@@ -134,6 +134,7 @@ static inline void acpi_os_terminate_debugger(void)
 /*
  * OSL interfaces added by Linux
  */
+#define acpi_ut_safe_strncpy	strscpy_pad
 
 #endif				/* __KERNEL__ */