diff --git a/pkgs/applications/science/math/sage/sagelib.nix b/pkgs/applications/science/math/sage/sagelib.nix
index 1c2235bf71b..822cb0a2bd5 100644
--- a/pkgs/applications/science/math/sage/sagelib.nix
+++ b/pkgs/applications/science/math/sage/sagelib.nix
@@ -32,7 +32,6 @@
 , ntl
 , numpy
 , pari
-, pkgconfig
 , pkg-config
 , planarity
 , ppl
@@ -86,7 +85,6 @@ buildPythonPackage rec {
     cypari2
     jinja2
     numpy
-    pkgconfig
     boost
     arb
     brial