diff --git a/include/tinycrypt/ecc_dh.h b/include/tinycrypt/ecc_dh.h
index a2edb01..61e4c52 100644
--- a/include/tinycrypt/ecc_dh.h
+++ b/include/tinycrypt/ecc_dh.h
@@ -97,7 +97,7 @@
  * @warning A cryptographically-secure PRNG function must be set (using
  * uECC_set_rng()) before calling uECC_make_key().
  */
-int uECC_make_key(uint8_t *p_public_key, uint8_t *p_private_key, uECC_Curve curve);
+int uECC_make_key(uint8_t *p_public_key, uint8_t *p_private_key);
 
 #ifdef ENABLE_TESTS
 
@@ -108,7 +108,7 @@
  * uECC_make_key() function for real applications.
  */
 int uECC_make_key_with_d(uint8_t *p_public_key, uint8_t *p_private_key,
-    			 unsigned int *d, uECC_Curve curve);
+    			 unsigned int *d);
 #endif
 
 /**
@@ -128,7 +128,7 @@
  * order to produce a cryptographically secure symmetric key.
  */
 int uECC_shared_secret(const uint8_t *p_public_key, const uint8_t *p_private_key,
-		       uint8_t *p_secret, uECC_Curve curve);
+		       uint8_t *p_secret);
 
 #ifdef __cplusplus
 }