diff --git a/pkgs/development/python-modules/matplotlib-inline/default.nix b/pkgs/development/python-modules/matplotlib-inline/default.nix
index 9ee23b87ee81..d863239430dc 100644
--- a/pkgs/development/python-modules/matplotlib-inline/default.nix
+++ b/pkgs/development/python-modules/matplotlib-inline/default.nix
@@ -1,5 +1,4 @@
 { lib, buildPythonPackage, fetchPypi
-, matplotlib
 , traitlets
 
 # tests
@@ -16,7 +15,6 @@ buildPythonPackage rec {
   };
 
   propagatedBuildInputs = [
-    matplotlib # not documented, but required
     traitlets
   ];