diff --git a/pkgs/by-name/du/duplicity/package.nix b/pkgs/by-name/du/duplicity/package.nix
index 161efe0f35ee..42907aa7d1a4 100644
--- a/pkgs/by-name/du/duplicity/package.nix
+++ b/pkgs/by-name/du/duplicity/package.nix
@@ -80,16 +80,10 @@ let
       [
         b2sdk
         boto3
-        cffi
-        cryptography
-        ecdsa
         idna
         pygobject3
         fasteners
-        lockfile
         paramiko
-        pyasn1
-        pycrypto
         # Currently marked as broken.
         # pydrive2
       ]