diff --git a/left/Makefile b/left/Makefile
index 1255771..9f0b63c 100644
--- a/left/Makefile
+++ b/left/Makefile
@@ -42,7 +42,6 @@ SOURCE = $(wildcard src/*.c) \
          ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_gpio.c \
          ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_i2c.c \
          ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_lptmr.c \
-         ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_smc.c \
          ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_spi.c \
          ../lib/KSDK_2.0_MKL03Z8xxx4/devices/MKL03Z4/drivers/fsl_tpm.c \
          $(wildcard ../shared/*.c)
diff --git a/right/Makefile b/right/Makefile
index 0ae5f00..ef7bcda 100644
--- a/right/Makefile
+++ b/right/Makefile
@@ -55,7 +55,6 @@ SOURCE = $(wildcard src/*.c) \
          ../lib/KSDK_2.0_MK22FN512xxx12/devices/MK22F51212/drivers/fsl_gpio.c \
          ../lib/KSDK_2.0_MK22FN512xxx12/devices/MK22F51212/drivers/fsl_i2c.c \
          ../lib/KSDK_2.0_MK22FN512xxx12/devices/MK22F51212/drivers/fsl_pit.c \
-         ../lib/KSDK_2.0_MK22FN512xxx12/devices/MK22F51212/drivers/fsl_sim.c \
          ../lib/KSDK_2.0_MK22FN512xxx12/devices/MK22F51212/drivers/fsl_smc.c \
          $(wildcard ../shared/*.c)