diff --git a/crypto/rsa/internal.h b/crypto/rsa/internal.h
index d3e1d20a..1ccb3d73 100644
--- a/crypto/rsa/internal.h
+++ b/crypto/rsa/internal.h
@@ -127,12 +127,6 @@ typedef struct rsa_pss_params_st {
 
 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
 
-typedef struct rsa_oaep_params_st {
-  X509_ALGOR *hashFunc;
-  X509_ALGOR *maskGenFunc;
-  X509_ALGOR *pSourceFunc;
-} RSA_OAEP_PARAMS;
-
 /* RSA_additional_prime contains information about the third, forth etc prime
  * in a multi-prime RSA key. */
 typedef struct RSA_additional_prime_st {
diff --git a/crypto/rsa/rsa_asn1.c b/crypto/rsa/rsa_asn1.c
index 97f940ea..dd8d91a7 100644
--- a/crypto/rsa/rsa_asn1.c
+++ b/crypto/rsa/rsa_asn1.c
@@ -424,14 +424,6 @@ ASN1_SEQUENCE(RSA_PSS_PARAMS) = {
 
 IMPLEMENT_ASN1_FUNCTIONS(RSA_PSS_PARAMS);
 
-ASN1_SEQUENCE(RSA_OAEP_PARAMS) = {
-  ASN1_EXP_OPT(RSA_OAEP_PARAMS, hashFunc, X509_ALGOR, 0),
-  ASN1_EXP_OPT(RSA_OAEP_PARAMS, maskGenFunc, X509_ALGOR, 1),
-  ASN1_EXP_OPT(RSA_OAEP_PARAMS, pSourceFunc, X509_ALGOR, 2),
-} ASN1_SEQUENCE_END(RSA_OAEP_PARAMS);
-
-IMPLEMENT_ASN1_FUNCTIONS(RSA_OAEP_PARAMS);
-
 RSA *RSAPublicKey_dup(const RSA *rsa) {
   uint8_t *der;
   size_t der_len;