diff --git a/arch/arm64/src/qemu/qemu_boot.c b/arch/arm64/src/qemu/qemu_boot.c
index 937b22693b..08fbca8f46 100644
--- a/arch/arm64/src/qemu/qemu_boot.c
+++ b/arch/arm64/src/qemu/qemu_boot.c
@@ -138,9 +138,6 @@ uint64_t arm64_get_mpid(int cpu)
 
 void arm64_el_init(void)
 {
-  write_sysreg(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC, cntfrq_el0);
-
-  ARM64_ISB();
 }
 
 /****************************************************************************
diff --git a/arch/arm64/src/qemu/qemu_boot.h b/arch/arm64/src/qemu/qemu_boot.h
index 301ef88db1..a0d57c0466 100644
--- a/arch/arm64/src/qemu/qemu_boot.h
+++ b/arch/arm64/src/qemu/qemu_boot.h
@@ -36,8 +36,6 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC  62500000
-
 /****************************************************************************
  * Public Function Prototypes
  ****************************************************************************/