diff --git a/src/python/m5/params.py b/src/python/m5/params.py
index 241d4ceaf0..a895549cae 100644
--- a/src/python/m5/params.py
+++ b/src/python/m5/params.py
@@ -406,7 +406,6 @@ class MemorySize32(CheckedInt):
 
 class Addr(CheckedInt):
     cxx_type = 'Addr'
-    cxx_predecls = ['#include "arch/isa_traits.hh"']
     size = 64
     unsigned = True
     def __init__(self, value):