diff --git a/pkgs/development/libraries/libsoup/default.nix b/pkgs/development/libraries/libsoup/default.nix
index 2be8ce3e3d1..12bb589cd9f 100644
--- a/pkgs/development/libraries/libsoup/default.nix
+++ b/pkgs/development/libraries/libsoup/default.nix
@@ -30,6 +30,8 @@ stdenv.mkDerivation {
 
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isDarwin "-lintl";
 
+  postInstall = "rm -rf $out/share/gtk-doc";
+
   meta = {
     inherit (glib.meta) maintainers platforms;
   };