diff --git a/pkgs/development/libraries/qt-5/5.15/srcs.nix b/pkgs/development/libraries/qt-5/5.15/srcs.nix
index 4bc04dbefd01..36cab60e97b4 100644
--- a/pkgs/development/libraries/qt-5/5.15/srcs.nix
+++ b/pkgs/development/libraries/qt-5/5.15/srcs.nix
@@ -22,19 +22,6 @@ let
 in
 lib.mapAttrs mk (lib.importJSON ./srcs-generated.json)
 // {
-  qt3d = {
-    inherit version;
-    src = fetchgit {
-      url = "https://invent.kde.org/qt/qt/qt3d.git";
-      rev = "c3c7e6ebc29cce466d954f72f340a257d76b5ec2";
-      sha256 = "sha256-KMWZ4N2OO7TBVpcgvQf/gweZRT62i9XABOnq0x94PY4=";
-      fetchLFS = false;
-      fetchSubmodules = true;
-      deepClone = false;
-      leaveDotGit = false;
-    };
-  };
-
   # qtwebkit does not have an official release tarball on the qt mirror and is
   # mostly maintained by the community.
   qtwebkit = rec {