diff --git a/configs/config-suite-b.h b/configs/config-suite-b.h
index 2925a87..cdea16e 100644
--- a/configs/config-suite-b.h
+++ b/configs/config-suite-b.h
@@ -32,8 +32,6 @@
 #define MBEDTLS_HAVE_TIME
 
 /* Mbed TLS feature support */
-#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
-#define MBEDTLS_ECP_DP_SECP384R1_ENABLED
 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 #define MBEDTLS_SSL_PROTO_TLS1_2
 
diff --git a/configs/crypto-config-suite-b.h b/configs/crypto-config-suite-b.h
index 2351ecb..268db60 100644
--- a/configs/crypto-config-suite-b.h
+++ b/configs/crypto-config-suite-b.h
@@ -33,6 +33,7 @@
 #define PSA_WANT_ALG_SHA_384                     1
 #define PSA_WANT_ALG_SHA_512                     1
 #define PSA_WANT_ECC_SECP_R1_256                 1
+#define PSA_WANT_ECC_SECP_R1_384                 1
 #define PSA_WANT_ALG_TLS12_PRF                   1
 
 #define PSA_WANT_KEY_TYPE_AES                    1