diff --git a/library/rsa.c b/library/rsa.c
index 6651c88..86bd71d 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -1156,7 +1156,6 @@
 int mbedtls_rsa_rsaes_oaep_encrypt( mbedtls_rsa_context *ctx,
                             int (*f_rng)(void *, unsigned char *, size_t),
                             void *p_rng,
-                            int mode,
                             const unsigned char *label, size_t label_len,
                             size_t ilen,
                             const unsigned char *input,
@@ -1170,15 +1169,10 @@
     mbedtls_md_context_t md_ctx;
 
     RSA_VALIDATE_RET( ctx != NULL );
-    RSA_VALIDATE_RET( mode == MBEDTLS_RSA_PRIVATE ||
-                      mode == MBEDTLS_RSA_PUBLIC );
     RSA_VALIDATE_RET( output != NULL );
     RSA_VALIDATE_RET( ilen == 0 || input != NULL );
     RSA_VALIDATE_RET( label_len == 0 || label != NULL );
 
-    if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V21 )
-        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
-
     if( f_rng == NULL )
         return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
 
@@ -1232,9 +1226,7 @@
     if( ret != 0 )
         return( ret );
 
-    return( ( mode == MBEDTLS_RSA_PUBLIC )
-            ? mbedtls_rsa_public(  ctx, output, output )
-            : mbedtls_rsa_private( ctx, f_rng, p_rng, output, output ) );
+    return( mbedtls_rsa_public(  ctx, output, output ) );
 }
 #endif /* MBEDTLS_PKCS1_V21 */
 
@@ -1318,8 +1310,7 @@
 
 #if defined(MBEDTLS_PKCS1_V21)
         case MBEDTLS_RSA_PKCS_V21:
-            return mbedtls_rsa_rsaes_oaep_encrypt( ctx, f_rng, p_rng,
-                                                   MBEDTLS_RSA_PUBLIC, NULL, 0,
+            return mbedtls_rsa_rsaes_oaep_encrypt( ctx, f_rng, p_rng, NULL, 0,
                                                    ilen, input, output );
 #endif