diff --git a/arch/arm/src/armv7-r/arm_timer.c b/arch/arm/src/armv7-r/arm_timer.c
index 2486d90f2c..b5102e77ce 100644
--- a/arch/arm/src/armv7-r/arm_timer.c
+++ b/arch/arm/src/armv7-r/arm_timer.c
@@ -36,9 +36,9 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define	ARM_TIMER_CTRL_ENABLE       (1 << 0)
-#define	ARM_TIMER_CTRL_INT_MASK     (1 << 1)
-#define	ARM_TIMER_CTRL_INT_STAT     (1 << 2)
+#define ARM_TIMER_CTRL_ENABLE       (1 << 0)
+#define ARM_TIMER_CTRL_INT_MASK     (1 << 1)
+#define ARM_TIMER_CTRL_INT_STAT     (1 << 2)
 
 /****************************************************************************
  * Private Types