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-rw-r--r--pkgs/tools/graphics/gnuplot/default.nix2
1 files changed, 0 insertions, 2 deletions
diff --git a/pkgs/tools/graphics/gnuplot/default.nix b/pkgs/tools/graphics/gnuplot/default.nix
index 5dee1079ae27..23d57f5b6521 100644
--- a/pkgs/tools/graphics/gnuplot/default.nix
+++ b/pkgs/tools/graphics/gnuplot/default.nix
@@ -32,8 +32,6 @@ stdenv.mkDerivation rec {
 
   configureFlags = if libX11 != null then ["--with-x"] else ["--without-x"];
 
-  NIX_CFLAGS_COMPILE = "-I${cairo}/include/cairo";
-
   postInstall = stdenv.lib.optionalString (libX11 != null) ''
     wrapProgram $out/bin/gnuplot \
        --prefix PATH : '${gnused}/bin' \