diff --git a/configs/z8encore000zco/include/board.h b/configs/z8encore000zco/include/board.h
index 8007523181f..64632bee4f4 100644
--- a/configs/z8encore000zco/include/board.h
+++ b/configs/z8encore000zco/include/board.h
@@ -43,6 +43,18 @@
 /****************************************************************************
  * Definitions
  ****************************************************************************/
+ 
+/* LED pattern definitions */
+
+#define LED_STARTED                 0
+#define LED_HEAPALLOCATE            1
+#define LED_IRQSENABLED             2
+#define LED_STACKCREATED            3
+#define LED_IDLE                    4
+#define LED_INIRQ                   5
+#define LED_ASSERTION               6
+#define LED_SIGNAL                  6
+#define LED_PANIC                   7
 
 /****************************************************************************
  * Public Functions
diff --git a/configs/z8encore000zco/ostest/defconfig b/configs/z8encore000zco/ostest/defconfig
index ad5c6a47eaf..5fa382a5935 100644
--- a/configs/z8encore000zco/ostest/defconfig
+++ b/configs/z8encore000zco/ostest/defconfig
@@ -66,7 +66,7 @@ CONFIG_ARCH_BOARD_Z8ENCORE000ZCO=y
 CONFIG_BOARD_LOOPSPERMSEC=1250
 CONFIG_ENDIAN_BIG=y
 CONFIG_DRAM_SIZE=65536
-CONFIG_ARCH_LEDS=y
+CONFIG_ARCH_LEDS=n
 #
 # Z16F specific device driver settings
 #