diff --git a/ssl/handshake.cc b/ssl/handshake.cc
index cef8a15c..6746582c 100644
--- a/ssl/handshake.cc
+++ b/ssl/handshake.cc
@@ -144,12 +144,6 @@ SSL_HANDSHAKE::SSL_HANDSHAKE(SSL *ssl_arg)
 }
 
 SSL_HANDSHAKE::~SSL_HANDSHAKE() {
-  OPENSSL_cleanse(secret, sizeof(secret));
-  OPENSSL_cleanse(early_traffic_secret, sizeof(early_traffic_secret));
-  OPENSSL_cleanse(client_handshake_secret, sizeof(client_handshake_secret));
-  OPENSSL_cleanse(server_handshake_secret, sizeof(server_handshake_secret));
-  OPENSSL_cleanse(client_traffic_secret_0, sizeof(client_traffic_secret_0));
-  OPENSSL_cleanse(server_traffic_secret_0, sizeof(server_traffic_secret_0));
   OPENSSL_free(cookie);
   OPENSSL_free(key_share_bytes);
   OPENSSL_free(ecdh_public_key);