diff --git a/ecc.h b/ecc.h
index 7293186b14997a3ca4f042b87726505c214e01b9..ca8c8c378166f1384895fe8036273e5ba5958fba 100644
--- a/ecc.h
+++ b/ecc.h
@@ -58,8 +58,6 @@ extern "C" {
 #define ecc_size nettle_ecc_size
 #define ecc_size_a nettle_ecc_size_a
 #define ecc_size_j nettle_ecc_size_j
-#define ecc_a_to_a_itch nettle_ecc_a_to_a_itch
-#define ecc_a_to_a nettle_ecc_a_to_a
 #define ecc_a_to_j nettle_ecc_a_to_j
 #define ecc_j_to_a_itch nettle_ecc_j_to_a_itch
 #define ecc_j_to_a nettle_ecc_j_to_a
@@ -168,15 +166,6 @@ ecc_size_j (const struct ecc_curve *ecc);
    _ecc_*, and provide public ecc_* functions which handle the
    infinity points properly? */
 
-/* Converts the affine coordinates of a point into montgomery form, if
-   used for this curve. */
-mp_size_t
-ecc_a_to_a_itch (const struct ecc_curve *ecc);
-void
-ecc_a_to_a (const struct ecc_curve *ecc,
-	    mp_limb_t *r, const mp_limb_t *p,
-	    mp_limb_t *scratch);
-
 /* Converts a point P in affine coordinates into a point R in jacobian
    coordinates. If INITIAL is non-zero, and the curve uses montgomery
    coordinates, also convert coordinates to montgomery form. */