diff --git a/pkgs/applications/graphics/rapcad/default.nix b/pkgs/applications/graphics/rapcad/default.nix
index 71b9c3b4b1b..b8a07f01e03 100644
--- a/pkgs/applications/graphics/rapcad/default.nix
+++ b/pkgs/applications/graphics/rapcad/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "15c18jvgbwyrfhv7r35ih0gzx35vjlsbi984h1sckgh2z17hjq8l";
   };
   
-  buildInputs = [qt5 cgal boost boost.lib gmp mpfr flex bison dxflib readline ];
+  buildInputs = [qt5 cgal boost gmp mpfr flex bison dxflib readline ];
 
   configurePhase = ''
     qmake;