diff --git a/ArmPkg/Drivers/TimerDxe/TimerDxe.c b/ArmPkg/Drivers/TimerDxe/TimerDxe.c
index 3e5d8e72be..2efe0fe493 100644
--- a/ArmPkg/Drivers/TimerDxe/TimerDxe.c
+++ b/ArmPkg/Drivers/TimerDxe/TimerDxe.c
@@ -151,7 +151,7 @@ TimerDriverSetTimerPeriod (
     // mTimerTicks = TimerPeriod in 1ms unit x Frequency.10^-3
     //             = TimerPeriod.10^-4 x Frequency.10^-3
     //             = (TimerPeriod x Frequency) x 10^-7
-    TimerTicks = MultU64x32 (TimerPeriod, FixedPcdGet32 (PcdArmArchTimerFreqInHz));
+    TimerTicks = MultU64x32 (TimerPeriod, ArmGenericTimerGetTimerFreq ());
     TimerTicks = DivU64x32 (TimerTicks, 10000000U);
 
     // Raise TPL to update the mTimerTicks and mTimerPeriod to ensure these values
diff --git a/ArmPkg/Drivers/TimerDxe/TimerDxe.inf b/ArmPkg/Drivers/TimerDxe/TimerDxe.inf
index 9e9768fbb5..3f345156c3 100644
--- a/ArmPkg/Drivers/TimerDxe/TimerDxe.inf
+++ b/ArmPkg/Drivers/TimerDxe/TimerDxe.inf
@@ -55,7 +55,6 @@
   gArmTokenSpaceGuid.PcdArmArchTimerIntrNum
   gArmTokenSpaceGuid.PcdArmArchTimerVirtIntrNum
   gArmTokenSpaceGuid.PcdArmArchTimerHypIntrNum
-  gArmTokenSpaceGuid.PcdArmArchTimerFreqInHz
 
 [Depex]
   gHardwareInterruptProtocolGuid