diff --git a/library/pkparse.c b/library/pkparse.c
index f0b9db3..57f966f 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -540,7 +540,7 @@
 
     *p += len;
 
-    if( ( ret = mbedtls_rsa_complete( rsa, NULL, NULL ) ) != 0 )
+    if( ( ret = mbedtls_rsa_complete( rsa ) ) != 0 )
         return( MBEDTLS_ERR_PK_INVALID_PUBKEY );
 
     if( *p != end )
@@ -745,7 +745,7 @@
     p += len;
 
     /* Complete the RSA private key */
-    if( ( ret = mbedtls_rsa_complete( rsa, NULL, NULL ) ) != 0 )
+    if( ( ret = mbedtls_rsa_complete( rsa ) ) != 0 )
         goto cleanup;
 
     /* Check optional parameters */
diff --git a/library/rsa.c b/library/rsa.c
index 66abcf7..388b634 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -2549,7 +2549,7 @@
     MBEDTLS_MPI_CHK( mbedtls_mpi_read_string( &K, 16, RSA_E  ) );
     MBEDTLS_MPI_CHK( mbedtls_rsa_import( &rsa, NULL, NULL, NULL, NULL, &K ) );
 
-    MBEDTLS_MPI_CHK( mbedtls_rsa_complete( &rsa, NULL, NULL ) );
+    MBEDTLS_MPI_CHK( mbedtls_rsa_complete( &rsa ) );
 
     if( verbose != 0 )
         mbedtls_printf( "  RSA key validation: " );
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index 49066cd..a8ee8fd 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -149,8 +149,7 @@
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa, mbedtls_ctr_drbg_random,
-                                             &ctr_drbg ) ) != 0 )
+    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
                         ret );
diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index 48275bc..2da3fbf 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -142,8 +142,7 @@
         goto exit;
     }
 
-    if( ( return_val = mbedtls_rsa_complete( &rsa, mbedtls_ctr_drbg_random,
-                                             &ctr_drbg ) ) != 0 )
+    if( ( return_val = mbedtls_rsa_complete( &rsa ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
                         return_val );
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index ff64736..89018cb 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -115,7 +115,7 @@
         goto exit;
     }
 
-    if( ( ret = mbedtls_rsa_complete( &rsa, NULL, NULL ) ) != 0 )
+    if( ( ret = mbedtls_rsa_complete( &rsa ) ) != 0 )
     {
         mbedtls_printf( " failed\n  ! mbedtls_rsa_complete returned %d\n\n",
                         ret );
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 58b6013..e847836 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -361,7 +361,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( rsa ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( rsa, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( rsa ) == 0 );
 
     /* decryption test */
     memset( output, 0, sizeof( output ) );
diff --git a/tests/suites/test_suite_pkcs1_v15.function b/tests/suites/test_suite_pkcs1_v15.function
index 1a06e4f..7f8b1c8 100644
--- a/tests/suites/test_suite_pkcs1_v15.function
+++ b/tests/suites/test_suite_pkcs1_v15.function
@@ -86,7 +86,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     unhexify( message_str, message_hex_string );
@@ -142,7 +142,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     msg_len = unhexify( message_str, message_hex_string );
diff --git a/tests/suites/test_suite_pkcs1_v21.function b/tests/suites/test_suite_pkcs1_v21.function
index bd09930..50da2ff 100644
--- a/tests/suites/test_suite_pkcs1_v21.function
+++ b/tests/suites/test_suite_pkcs1_v21.function
@@ -87,7 +87,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     unhexify( message_str, message_hex_string );
@@ -143,7 +143,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     msg_len = unhexify( message_str, message_hex_string );
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 8b99eed..87d15a8 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -47,7 +47,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     msg_len = unhexify( message_str, message_hex_string );
@@ -146,7 +146,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     unhexify( message_str, message_hex_string );
@@ -363,7 +363,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     unhexify( message_str, message_hex_string );
@@ -471,7 +471,7 @@
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
     unhexify( message_str, message_hex_string );
@@ -916,9 +916,7 @@
                                have_E ? &E : NULL ) == 0 );
     }
 
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx,
-                                       mbedtls_ctr_drbg_random,
-                                       &ctr_drbg ) == result );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == result );
 
     /* On expected success, perform some public and private
      * key operations to check if the key is working properly. */
@@ -1029,7 +1027,7 @@
                                      strlen( input_D ) ? &D : NULL,
                                      strlen( input_E ) ? &E : NULL ) == 0 );
 
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
 
     /*
      * Export parameters and compare to original ones.
@@ -1220,7 +1218,7 @@
                                have_D ? bufD : NULL, lenD,
                                have_E ? bufE : NULL, lenE ) == 0 );
 
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
 
     /*
      * Export parameters and compare to original ones.
@@ -1382,9 +1380,7 @@
                                ( lenE > 0 ) ? bufE : NULL, lenE ) == 0 );
     }
 
-    TEST_ASSERT( mbedtls_rsa_complete( &ctx,
-                                       mbedtls_ctr_drbg_random,
-                                       &ctr_drbg ) == result );
+    TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == result );
 
     /* On expected success, perform some public and private
      * key operations to check if the key is working properly. */