diff --git a/kallithea/lib/auth.py b/kallithea/lib/auth.py
--- a/kallithea/lib/auth.py
+++ b/kallithea/lib/auth.py
@@ -100,7 +100,7 @@ class KallitheaCrypto(object):
     def hash_string(cls, str_):
         """
         Cryptographic function used for password hashing based on pybcrypt
-        or pycrypto in windows
+        or Python's own OpenSSL wrapper on windows
 
         :param password: password to hash
         """
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -52,7 +52,6 @@ requirements = [
     "markdown==2.2.1",
     "docutils>=0.8.1,<=0.11",
     "mock",
-    "pycrypto>=2.6.0,<=2.6.1",
     "URLObject==2.3.4",
     "Routes==1.13",
     "dulwich>=0.9.9,<=0.9.9",