diff --git a/OpenSSL/crypto.py b/OpenSSL/crypto.py
index bf15fc9..f4df8b5 100644
--- a/OpenSSL/crypto.py
+++ b/OpenSSL/crypto.py
@@ -1,6 +1,6 @@
 from time import time
 
-from OpenSSL.xcrypto import *
+from OpenSSL.xcrypto import PKCS7Type, load_pkcs7_data
 
 from tls.c import api as _api