diff --git a/pkgs/development/python-modules/dask/default.nix b/pkgs/development/python-modules/dask/default.nix
index 132753b1583f..7af0eca747e8 100644
--- a/pkgs/development/python-modules/dask/default.nix
+++ b/pkgs/development/python-modules/dask/default.nix
@@ -18,7 +18,6 @@
 , pythonOlder
 , pyyaml
 , toolz
-, withExtraComplete ? false
 }:
 
 buildPythonPackage rec {
@@ -46,9 +45,6 @@ buildPythonPackage rec {
     jinja2
     bokeh
     numpy
-  ] ++ lib.optionals (withExtraComplete) [
-    # infinite recursion between distributed and dask
-    distributed
   ];
 
   doCheck = true;
@@ -104,6 +100,10 @@ buildPythonPackage rec {
     "dask.diagnostics"
   ];
 
+  passthru.extras-require = {
+    complete = [ distributed ];
+  };
+
   meta = with lib; {
     description = "Minimal task scheduling abstraction";
     homepage = "https://dask.org/";
diff --git a/pkgs/development/python-modules/datashader/default.nix b/pkgs/development/python-modules/datashader/default.nix
index d4515b064833..152582f6716f 100644
--- a/pkgs/development/python-modules/datashader/default.nix
+++ b/pkgs/development/python-modules/datashader/default.nix
@@ -46,7 +46,7 @@ buildPythonPackage rec {
     param
     pyct
     scipy
-  ];
+  ] ++ dask.extras-require.complete;
 
   checkInputs = [
     pytestCheckHook
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a7f59aea3b45..c6a62cde8f7d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2044,9 +2044,7 @@ in {
 
   datasette-template-sql = callPackage ../development/python-modules/datasette-template-sql { };
 
-  datashader = callPackage ../development/python-modules/datashader {
-    dask = self.dask.override { withExtraComplete = true; };
-  };
+  datashader = callPackage ../development/python-modules/datashader { };
 
   datashape = callPackage ../development/python-modules/datashape { };