diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index b28dcf6..5d8c5c0 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -3440,13 +3440,6 @@
 
 // Obscure functions.
 
-// SSL_get_structure_sizes returns the sizes of the SSL, SSL_CTX and
-// SSL_SESSION structures so that a test can ensure that outside code agrees on
-// these values.
-OPENSSL_EXPORT void SSL_get_structure_sizes(size_t *ssl_size,
-                                            size_t *ssl_ctx_size,
-                                            size_t *ssl_session_size);
-
 // SSL_CTX_set_msg_callback installs |cb| as the message callback for |ctx|.
 // This callback will be called when sending or receiving low-level record
 // headers, complete handshake messages, ChangeCipherSpec, and alerts.
diff --git a/ssl/ssl_lib.cc b/ssl/ssl_lib.cc
index a4f2044..d3e76d0 100644
--- a/ssl/ssl_lib.cc
+++ b/ssl/ssl_lib.cc
@@ -2672,13 +2672,6 @@
   return SSL_in_false_start(ssl);
 }
 
-void SSL_get_structure_sizes(size_t *ssl_size, size_t *ssl_ctx_size,
-                             size_t *ssl_session_size) {
-  *ssl_size = sizeof(SSL);
-  *ssl_ctx_size = sizeof(SSL_CTX);
-  *ssl_session_size = sizeof(SSL_SESSION);
-}
-
 int SSL_is_server(const SSL *ssl) { return ssl->server; }
 
 int SSL_is_dtls(const SSL *ssl) { return ssl->method->is_dtls; }