diff --git a/src/dev/x86/Pc.py b/src/dev/x86/Pc.py
index bd8b2ad98..1f1f3ca89 100644
--- a/src/dev/x86/Pc.py
+++ b/src/dev/x86/Pc.py
@@ -79,4 +79,3 @@ class Pc(Platform):
         self.fake_com_4.pio = bus.master
         self.fake_floppy.pio = bus.master
         self.pciconfig.pio = bus.default
-        bus.use_default_range = True