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-rw-r--r--src/devices/bus/plus4/exp.cpp9
1 files changed, 0 insertions, 9 deletions
diff --git a/src/devices/bus/plus4/exp.cpp b/src/devices/bus/plus4/exp.cpp
index 4099b38d5bd..fb0387908ef 100644
--- a/src/devices/bus/plus4/exp.cpp
+++ b/src/devices/bus/plus4/exp.cpp
@@ -90,15 +90,6 @@ void plus4_expansion_slot_device::device_start()
m_read_dma_cd.resolve_safe(0xff);
m_write_dma_cd.resolve_safe();
m_write_aec.resolve_safe();
-
- // inherit bus clock
- // FIXME: this should be unnecessary as slots pass DERIVED_CLOCK(1, 1) through by default
- if (clock() == 0)
- {
- plus4_expansion_slot_device *root = machine().root_device().subdevice<plus4_expansion_slot_device>(PLUS4_EXPANSION_SLOT_TAG);
- assert(root);
- set_unscaled_clock(root->clock());
- }
}