diff --git a/arch/risc-v/src/mpfs/hardware/mpfs_plic.h b/arch/risc-v/src/mpfs/hardware/mpfs_plic.h
index 1789524436..e805d31beb 100755
--- a/arch/risc-v/src/mpfs/hardware/mpfs_plic.h
+++ b/arch/risc-v/src/mpfs/hardware/mpfs_plic.h
@@ -97,8 +97,6 @@
 #define MPFS_PLIC_H4_SIE4    (MPFS_PLIC_BASE + 0x002410)
 #define MPFS_PLIC_H4_SIE5    (MPFS_PLIC_BASE + 0x002414)
 
-#define MPFS_PLIC_CTRL       (MPFS_PLIC_BASE + 0x1FFFFC)
-
 #define MPFS_PLIC_NEXTHART_OFFSET    (0x2000)
 #define MPFS_PLIC_MTHRESHOLD_OFFSET  (0x0000)
 #define MPFS_PLIC_MCLAIM_OFFSET      (0x0004)
diff --git a/arch/risc-v/src/mpfs/mpfs_irq.c b/arch/risc-v/src/mpfs/mpfs_irq.c
index e914961343..ca7d6046ae 100755
--- a/arch/risc-v/src/mpfs/mpfs_irq.c
+++ b/arch/risc-v/src/mpfs/mpfs_irq.c
@@ -60,10 +60,6 @@ void up_irqinitialize(void)
 
   up_disable_irq(RISCV_IRQ_MTIMER);
 
-  /* enable access from supervisor mode */
-
-  putreg32(0x1, MPFS_PLIC_CTRL);
-
   /* Disable all global interrupts for current hart */
 
   uint64_t hart_id = READ_CSR(mhartid);