diff --git a/lib/stm32/f2/Makefile b/lib/stm32/f2/Makefile
index 69521da4..5cbb9770 100644
--- a/lib/stm32/f2/Makefile
+++ b/lib/stm32/f2/Makefile
@@ -28,7 +28,7 @@ CFLAGS		= -Os -g -Wall -Wextra -I../../../include -fno-common \
 		  -ffunction-sections -fdata-sections -MD -DSTM32F2
 # ARFLAGS	= rcsv
 ARFLAGS		= rcs
-OBJS		= rcc.o gpio.o usart.o spi.o flash.o nvic.o \
+OBJS		= rcc.o gpio.o usart.o spi.o flash.o \
 		  i2c.o exti.o timer.o
 
 VPATH += ../../usb:../:../../cm3
diff --git a/lib/stm32/f4/Makefile b/lib/stm32/f4/Makefile
index 180e537c..e09ef26d 100644
--- a/lib/stm32/f4/Makefile
+++ b/lib/stm32/f4/Makefile
@@ -29,7 +29,7 @@ CFLAGS		= -Os -g -Wall -Wextra -I../../../include -fno-common \
 		  -ffunction-sections -fdata-sections -MD -DSTM32F4
 # ARFLAGS	= rcsv
 ARFLAGS		= rcs
-OBJS		= rcc.o gpio.o usart.o spi.o flash.o nvic.o \
+OBJS		= rcc.o gpio.o usart.o spi.o flash.o \
 		  i2c.o exti.o pwr.o timer.o \
 		  usb.o usb_standard.o usb_control.o usb_f107.o