diff --git a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
index 01154848f4..1558db3171 100644
--- a/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
+++ b/ArmPkg/Drivers/ArmGic/GicV3/ArmGicV3Dxe.c
@@ -469,7 +469,7 @@ GicV3DxeInitialize (
     for (Index = 0; Index < (mGicNumInterrupts - 32); Index++) {
       MmioWrite32 (
         mGicDistributorBase + ARM_GICD_IROUTER + (Index * 8),
-        CpuTarget | ARM_GICD_IROUTER_IRM
+        CpuTarget
         );
     }
   }