diff --git a/arch/risc-v/src/qemu-rv/qemu_rv_irq.c b/arch/risc-v/src/qemu-rv/qemu_rv_irq.c
index dc82265c1e303..edf4b2b8fa876 100644
--- a/arch/risc-v/src/qemu-rv/qemu_rv_irq.c
+++ b/arch/risc-v/src/qemu-rv/qemu_rv_irq.c
@@ -54,6 +54,15 @@ void up_irqinitialize(void)
   putreg32(0x0, QEMU_RV_PLIC_ENABLE1);
   putreg32(0x0, QEMU_RV_PLIC_ENABLE2);
 
+#ifdef NOTUSED
+  // Disable All Global Interrupts for Hart 1 Machine-Mode
+  // | 0x0C00_2080 | 4B | RW | Start Hart 1 M-Mode interrupt enables
+  #define QEMU_RV_PLIC_ENABLE1_MMODE   (QEMU_RV_PLIC_BASE + 0x002080)
+  #define QEMU_RV_PLIC_ENABLE2_MMODE   (QEMU_RV_PLIC_BASE + 0x002084)
+  putreg32(0x0, QEMU_RV_PLIC_ENABLE1_MMODE);
+  putreg32(0x0, QEMU_RV_PLIC_ENABLE2_MMODE);
+#endif  // NOTUSED
+
   /* Colorize the interrupt stack for debug purposes */
 
 #if defined(CONFIG_STACK_COLORATION) && CONFIG_ARCH_INTERRUPTSTACK > 15