1 files changed, 0 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7c98e2b..1e2984a 100644
--- a/Makefile
+++ b/Makefile
@@ -94,7 +94,6 @@ CFLAGS += -I$(MBED_DIR)/targets/cmsis/TARGET_STM/TARGET_STM32F4
 CFLAGS += -I$(MBED_DIR)/targets/cmsis/TARGET_STM/TARGET_STM32F4/$(BOARD)
 CFLAGS += -I$(MBED_DIR)/targets/hal/TARGET_STM/TARGET_STM32F4
 CFLAGS += -I$(MBED_DIR)/targets/hal/TARGET_STM/TARGET_STM32F4/$(BOARD)
-CFLAGS += -DHAL_RSA_USE_MODEXP=0
 export CFLAGS
 
 %.o : %.c