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-rw-r--r--quantum/mcu_selection.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index 295dfd3189..9518a6463f 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -318,6 +318,9 @@ ifneq (,$(filter $(MCU),atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 a
ifeq (,$(filter $(NO_INTERRUPT_CONTROL_ENDPOINT),yes))
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
endif
+ ifneq (,$(filter $(MCU),atmega16u2 atmega32u2))
+ NO_I2C = yes
+ endif
endif
ifneq (,$(filter $(MCU),atmega32a))