diff --git a/third_party/NordicSemiconductor/libraries/crypto/nrf52840-mbedtls-config.h b/third_party/NordicSemiconductor/libraries/crypto/nrf52840-mbedtls-config.h
index 369bebf54..0aeb396af 100644
--- a/third_party/NordicSemiconductor/libraries/crypto/nrf52840-mbedtls-config.h
+++ b/third_party/NordicSemiconductor/libraries/crypto/nrf52840-mbedtls-config.h
@@ -32,9 +32,6 @@
 #define MBEDTLS_SHA256_ALT
 #endif // DISABLE_CC310
 
-#define MBEDTLS_ECDH_C
-#define MBEDTLS_ECDSA_C
-
 #if defined(__ICCARM__)
     _Pragma("diag_suppress=Pe550")
 #endif