diff --git a/local/recipes/kde/plasma-desktop/recipe.toml b/local/recipes/kde/plasma-desktop/recipe.toml
index ab5eafca6a..fc94706b7f 100644
--- a/local/recipes/kde/plasma-desktop/recipe.toml
+++ b/local/recipes/kde/plasma-desktop/recipe.toml
@@ -18,6 +18,17 @@ dependencies = [
     # xcb and xcb-shm; IMAGE comes from xcb-util-image (which needs xcb-util).
     # Needed even on Wayland -- KDE's XWayland integration and Qt's xcb
     # platform plugin both reference it.
+    # find_package(X11) is REQUIRED ("Required for building the X11 based
+    # workspace"). These are promoted and building; without them in this
+    # recipe's sysroot cmake reports X11 as missing even though the libraries
+    # exist -- the same gap libxcb had.
+    "libx11",
+    "libxext",
+    "libxfixes",
+    "libxi",
+    "libxrender",
+    "libxau",
+    "libxdmcp",
     "libxcb",
     "xcb-util",
     "xcb-util-image",
@@ -125,6 +136,9 @@ sed -i 's|if (NOT EXISTS "${CMAKE_SYSROOT}/${XKBDIR}")|if (NOT EXISTS "${CMAKE_S
 
 python3 "${COOKBOOK_ROOT}/local/scripts/gate-kx11extras.py" "${COOKBOOK_SOURCE}"
 
+# BUILD_DOC=OFF -- KF6DocTools is REQUIRED when docs are on and is not ported.
+# This drops generated handbook pages only; every settings module still builds.
+#
 # BUILD_KCM_MOUSE_X11=OFF / BUILD_KCM_TOUCHPAD_X11=OFF -- drop the X11-SESSION
 # input backends only. Both KCMs keep their KWin+Wayland backends
 # (BUILD_KCM_MOUSE_KWIN_WAYLAND / BUILD_KCM_TOUCHPAD_KWIN_WAYLAND stay ON),
@@ -158,6 +172,7 @@ python3 "${COOKBOOK_ROOT}/local/scripts/gate-kx11extras.py" "${COOKBOOK_SOURCE}"
 #
 # Tracked for a real port; turn back ON in the same change that lands libwacom.
 cmake "${COOKBOOK_SOURCE}" \
+    -DBUILD_DOC=OFF \
     -DBUILD_KCM_TABLET=OFF \
     -DBUILD_KCM_MOUSE_X11=OFF \
     -DBUILD_KCM_TOUCHPAD_X11=OFF \