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-rw-r--r--src/devices/cpu/nec/v5x.cpp2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/devices/cpu/nec/v5x.cpp b/src/devices/cpu/nec/v5x.cpp
index bed8b42bc73..aecc62128c8 100644
--- a/src/devices/cpu/nec/v5x.cpp
+++ b/src/devices/cpu/nec/v5x.cpp
@@ -298,8 +298,6 @@ void v50_device::install_peripheral_io()
void v50_device::internal_port_map(address_map &map)
{
- v33_internal_port_map(map);
-
map(0xfff0, 0xfff0).w(FUNC(v50_device::TCKS_w));
map(0xfff2, 0xfff2).w(FUNC(v50_device::RFC_w));