diff --git a/qt6-3d/.footprint b/qt6-3d/.footprint
index d7c2bc0e5..8cc82c058 100644
--- a/qt6-3d/.footprint
+++ b/qt6-3d/.footprint
@@ -918,7 +918,6 @@ drwxr-xr-x	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/viewportnode_p.h
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/visitorutils_p.h
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/vsyncframeadvanceservice_p.h
--rw-r--r--	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/vulkaninstance_p.h
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/6.6.2/Qt3DRender/private/waitfence_p.h
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/QAbstractLight
 -rw-r--r--	root/root	usr/include/qt6/Qt3DRender/QAbstractRayCaster
diff --git a/qt6-3d/.signature b/qt6-3d/.signature
index 705adbd8e..693884f1d 100644
--- a/qt6-3d/.signature
+++ b/qt6-3d/.signature
@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/UCNqgpUO0DJncBFScHdUWZQb1jCc4+XDjhSCHw58KB2AZbrzPJnD8u2mOvkVR42clgy16YKQj4xPOZpV4olSgo=
-SHA256 (Pkgfile) = a6f41271253389ee8447349a934f9d9cad07d9a4844e4e9ab05eb21dd07252b3
-SHA256 (.footprint) = 59f903601a1236a192d8b7031247cb2b352433d8ea3781a8f548b0876c9556d7
+RWSE3ohX2g5d/eIUx+QGHhFZaJxW2i3vUZ23tZQuX7tEnDTi387C+YY0wxJZ/A9Ui50uPlKEDcVW0r9p0Q5QQLmoItpEaHdFmgU=
+SHA256 (Pkgfile) = f6dca334ba4b8badeeedaaffa3fb4430b8f7b678de6f797569365972633d112a
+SHA256 (.footprint) = 35486da20ee9f26465dadabe991401a7d550bda172683ac03eb815d136cf88f2
 SHA256 (qt3d-everywhere-src-6.6.2.tar.xz) = 9174ec6eac56cdf58eb928ea9df8130ef744cee3171d08c78ba1a28778a38582
diff --git a/qt6-3d/Pkgfile b/qt6-3d/Pkgfile
index cde4fb5f8..af41905ff 100644
--- a/qt6-3d/Pkgfile
+++ b/qt6-3d/Pkgfile
@@ -2,6 +2,7 @@
 # URL: https://www.qt.io/
 # Maintainer: Tim Biermann, tbier at posteo dot de
 # Depends on: qt6-declarative
+# Optional: vulkan-headers
 
 name=qt6-3d
 version=6.6.2
@@ -9,10 +10,9 @@ release=1
 source=(https://download.qt.io/official_releases/qt/${version%.*}/$version/submodules/qt3d-everywhere-src-$version.tar.xz)
 
 build() {
-  prt-get isinst ninja && PKGMK_QT6+=' -G Ninja'
   prt-get isinst ccache && PKGMK_QT6+=' -D QT_USE_CCACHE=ON' && PATH="$(echo ${PATH} | awk -v RS=: -v ORS=: '/ccache/ {next} {print}' | sed 's/:*$//')"
 
-  cmake -S qt3d-everywhere-src-$version -B build $PKGMK_QT6 \
+  cmake -S qt3d-everywhere-src-$version -B build -G Ninja $PKGMK_QT6 \
     -D INSTALL_PUBLICBINDIR=usr/bin \
     -D CMAKE_BUILD_TYPE=Release \
     -D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS" \