diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index 050c218203..faf28c5a34 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -182,7 +182,6 @@ int  mbedtls_ecp_mod_p384_raw(mbedtls_mpi_uint *X, size_t X_limbs);
  * \return          \c 0 on success.
  * \return          #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if \p X does not have
  *                  twice as many limbs as the modulus.
- * \return          #MBEDTLS_ERR_ECP_ALLOC_FAILED if memory allocation failed.
  */
 MBEDTLS_STATIC_TESTABLE
 int mbedtls_ecp_mod_p192k1_raw(mbedtls_mpi_uint *X, size_t X_limbs);
@@ -205,7 +204,6 @@ int mbedtls_ecp_mod_p192k1_raw(mbedtls_mpi_uint *X, size_t X_limbs);
  * \return          \c 0 on success.
  * \return          #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if \p X does not have
  *                  twice as many limbs as the modulus.
- * \return          #MBEDTLS_ERR_ECP_ALLOC_FAILED if memory allocation failed.
  */
 MBEDTLS_STATIC_TESTABLE
 int mbedtls_ecp_mod_p224k1_raw(mbedtls_mpi_uint *X, size_t X_limbs);
@@ -228,7 +226,6 @@ int mbedtls_ecp_mod_p224k1_raw(mbedtls_mpi_uint *X, size_t X_limbs);
  * \return          \c 0 on success.
  * \return          #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if \p X does not have
  *                  twice as many limbs as the modulus.
- * \return          #MBEDTLS_ERR_ECP_ALLOC_FAILED if memory allocation failed.
  */
 MBEDTLS_STATIC_TESTABLE
 int mbedtls_ecp_mod_p256k1_raw(mbedtls_mpi_uint *X, size_t X_limbs);