Index: Modules/_ssl.c
===================================================================
--- Modules/_ssl.c	(revision 837716)
+++ Modules/_ssl.c	(working copy)
@@ -2542,9 +2542,11 @@
 
 static PyThread_type_lock *_ssl_locks = NULL;
 
+#if OPENSSL_VERSION_NUMBER < 0x10000000
 static unsigned long _ssl_thread_id_function (void) {
     return PyThread_get_thread_ident();
 }
+#endif
 
 static void _ssl_thread_locking_function
     (int mode, int n, const char *file, int line) {
@@ -2597,7 +2599,9 @@
             }
         }
         CRYPTO_set_locking_callback(_ssl_thread_locking_function);
+#if OPENSSL_VERSION_NUMBER < 0x10000000
         CRYPTO_set_id_callback(_ssl_thread_id_function);
+#endif
     }
     return 1;
 }