diff --git a/arch/arc/soc/em11d/soc.h b/arch/arc/soc/em11d/soc.h
index 35fad53228d..d5e4e1df4c2 100644
--- a/arch/arc/soc/em11d/soc.h
+++ b/arch/arc/soc/em11d/soc.h
@@ -42,12 +42,6 @@
 #include <misc/util.h>
 #include <drivers/rand32.h>
 
-/* ARCv2 timer 0 configuration settings for the system clock */
-#ifdef CONFIG_NANOKERNEL
-#define CONFIG_ARCV2_TIMER0_CLOCK_FREQ 20000000 /* 20MHz reference clock */
-#define CONFIG_ARCV2_TIMER1_CLOCK_FREQ CONFIG_ARCV2_TIMER0_CLOCK_FREQ
-#endif /* CONFIG_NANOKERNEL */
-
 #define CONFIG_ARCV2_TIMER0_INT_LVL IRQ_TIMER0
 #define CONFIG_ARCV2_TIMER0_INT_PRI 0
 
diff --git a/arch/arc/soc/em9d/soc.h b/arch/arc/soc/em9d/soc.h
index 35fad53228d..d5e4e1df4c2 100644
--- a/arch/arc/soc/em9d/soc.h
+++ b/arch/arc/soc/em9d/soc.h
@@ -42,12 +42,6 @@
 #include <misc/util.h>
 #include <drivers/rand32.h>
 
-/* ARCv2 timer 0 configuration settings for the system clock */
-#ifdef CONFIG_NANOKERNEL
-#define CONFIG_ARCV2_TIMER0_CLOCK_FREQ 20000000 /* 20MHz reference clock */
-#define CONFIG_ARCV2_TIMER1_CLOCK_FREQ CONFIG_ARCV2_TIMER0_CLOCK_FREQ
-#endif /* CONFIG_NANOKERNEL */
-
 #define CONFIG_ARCV2_TIMER0_INT_LVL IRQ_TIMER0
 #define CONFIG_ARCV2_TIMER0_INT_PRI 0
 
diff --git a/arch/arc/soc/quark_se_ss/soc.h b/arch/arc/soc/quark_se_ss/soc.h
index 04bc3e2c57f..e814b45a216 100644
--- a/arch/arc/soc/quark_se_ss/soc.h
+++ b/arch/arc/soc/quark_se_ss/soc.h
@@ -108,13 +108,6 @@
 #include <misc/util.h>
 #include <drivers/rand32.h>
 
-/* ARCv2 timer 0 configuration settings for the system clock */
-#ifdef CONFIG_NANOKERNEL
-#define CONFIG_ARCV2_TIMER0_CLOCK_FREQ 32000000 /* 32MHz reference clock \
-							*/
-#define CONFIG_ARCV2_TIMER1_CLOCK_FREQ CONFIG_ARCV2_TIMER0_CLOCK_FREQ
-#endif /* CONFIG_NANOKERNEL */
-
 #define INT_ENABLE_ARC					~(0x00000001 << 8)
 #define INT_ENABLE_ARC_BIT_POS				(8)
 
diff --git a/drivers/timer/arcv2_timer0.c b/drivers/timer/arcv2_timer0.c
index b8ef4cee88f..51d9e765e81 100644
--- a/drivers/timer/arcv2_timer0.c
+++ b/drivers/timer/arcv2_timer0.c
@@ -63,12 +63,6 @@
 #include <misc/__assert.h>
 
 /*
- * The file(s) arch/arc/soc/<soc>/soc.h must provide a definition for the
- * following constant:
- *
- *    CONFIG_ARCV2_TIMER0_CLOCK_FREQ
- *
- * This is the ARC CPU input clock frequency.
  * note: This implementation assumes Timer0 is present. Be sure
  * to build the ARC CPU with Timer0.
  */