diff --git a/pkgs/games/openttd/default.nix b/pkgs/games/openttd/default.nix
index e3be568c74b9..1fcf610f2336 100644
--- a/pkgs/games/openttd/default.nix
+++ b/pkgs/games/openttd/default.nix
@@ -11,7 +11,6 @@
   xz,
   freetype,
   fontconfig,
-  nlohmann_json,
   curl,
   icu,
   harfbuzz,
@@ -86,7 +85,6 @@ stdenv.mkDerivation (finalAttrs: {
       zlib
       freetype
       fontconfig
-      nlohmann_json
       curl
       icu
       harfbuzz