diff --git a/pkgs/development/python-modules/docker/default.nix b/pkgs/development/python-modules/docker/default.nix
index 64b6c50be537..4698aa19f811 100644
--- a/pkgs/development/python-modules/docker/default.nix
+++ b/pkgs/development/python-modules/docker/default.nix
@@ -48,7 +48,7 @@ buildPythonPackage rec {
   ];
 
   optional-dependencies = {
-    ssh = [ paramiko paramiko.optional-dependencies.ed25519 ];
+    ssh = [ paramiko ];
     tls = [];
     websockets = [ websocket-client ];
   };
diff --git a/pkgs/development/python-modules/ncclient/default.nix b/pkgs/development/python-modules/ncclient/default.nix
index 3f1d8462e7fd..cff31090db63 100644
--- a/pkgs/development/python-modules/ncclient/default.nix
+++ b/pkgs/development/python-modules/ncclient/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     paramiko
     lxml
     six
-  ] ++ paramiko.optional-dependencies.ed25519;
+  ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
diff --git a/pkgs/development/python-modules/sshtunnel/default.nix b/pkgs/development/python-modules/sshtunnel/default.nix
index ecb8e24d01a4..08d6bf114082 100644
--- a/pkgs/development/python-modules/sshtunnel/default.nix
+++ b/pkgs/development/python-modules/sshtunnel/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
-  dependencies = [ paramiko ] ++ paramiko.optional-dependencies.ed25519;
+  dependencies = [ paramiko ];
 
   nativeCheckInputs = [
     pytestCheckHook