diff --git a/reactos/ntoskrnl/ke/except.c b/reactos/ntoskrnl/ke/except.c
index c8533d077ef..66c704df219 100644
--- a/reactos/ntoskrnl/ke/except.c
+++ b/reactos/ntoskrnl/ke/except.c
@@ -167,6 +167,8 @@ KiRaiseException(IN PEXCEPTION_RECORD ExceptionRecord,
 
 /* SYSTEM CALLS ***************************************************************/
 
+#ifndef _M_AMD64
+
 NTSTATUS
 NTAPI
 NtRaiseException(IN PEXCEPTION_RECORD ExceptionRecord,
@@ -239,5 +241,6 @@ NtContinue(IN PCONTEXT Context,
     /* We don't actually make it here */
     return Status;
 }
+#endif
 
 /* EOF */
diff --git a/reactos/ntoskrnl/ke/time.c b/reactos/ntoskrnl/ke/time.c
index e33c45995d3..9fcef31a96f 100644
--- a/reactos/ntoskrnl/ke/time.c
+++ b/reactos/ntoskrnl/ke/time.c
@@ -133,7 +133,7 @@ KeUpdateRunTime(IN PKTRAP_FRAME TrapFrame,
     Prcb->InterruptCount++;
     
     /* Check if we came from user mode */
-#ifndef _M_ARM
+#if !defined(_M_ARM) && !defined(_M_AMD64)
     if ((TrapFrame->SegCs & MODE_MASK) || (TrapFrame->EFlags & EFLAGS_V86_MASK))
 #else
     if (TrapFrame->PreviousMode == UserMode)