diff --git a/include/configs/MPC8610HPCD.h b/include/configs/MPC8610HPCD.h
index 7619328..7cb4ccd 100644
--- a/include/configs/MPC8610HPCD.h
+++ b/include/configs/MPC8610HPCD.h
@@ -102,8 +102,6 @@
 #define CONFIG_SYS_MAX_DDR_BAT_SIZE	0x80000000	/* BAT mapping size */
 #define CONFIG_VERY_BIG_RAM
 
-#define MPC86xx_DDR_SDRAM_CLK_CNTL
-
 #define CONFIG_NUM_DDR_CONTROLLERS	1
 #define CONFIG_DIMM_SLOTS_PER_CTLR	1
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index b0ae25c..a46f7c8 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -141,8 +141,6 @@
 #define CONFIG_SYS_MAX_DDR_BAT_SIZE	0x80000000	/* BAT mapping size */
 #define CONFIG_VERY_BIG_RAM
 
-#define MPC86xx_DDR_SDRAM_CLK_CNTL
-
 #define CONFIG_NUM_DDR_CONTROLLERS	2
 #define CONFIG_DIMM_SLOTS_PER_CTLR	2
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)
diff --git a/include/configs/sbc8641d.h b/include/configs/sbc8641d.h
index 2865df5..682d241 100644
--- a/include/configs/sbc8641d.h
+++ b/include/configs/sbc8641d.h
@@ -121,8 +121,6 @@
 #define CONFIG_SYS_MAX_DDR_BAT_SIZE	0x80000000	/* BAT mapping size */
 #define CONFIG_VERY_BIG_RAM
 
-#define MPC86xx_DDR_SDRAM_CLK_CNTL
-
 #define CONFIG_NUM_DDR_CONTROLLERS	2
 #define CONFIG_DIMM_SLOTS_PER_CTLR	2
 #define CONFIG_CHIP_SELECTS_PER_CTRL	(2 * CONFIG_DIMM_SLOTS_PER_CTLR)