diff --git a/src/backend/wayland/wl_backend.c b/src/backend/wayland/wl_backend.c
index 447a79a..35cb406 100644
--- a/src/backend/wayland/wl_backend.c
+++ b/src/backend/wayland/wl_backend.c
@@ -1390,6 +1390,14 @@ wl_screen_create_internals(WScreen *scr)
      * that wXModifierFromKey("ALT") etc. return non-zero values.
      * Mod1Mask=8 (Alt), Mod4Mask=64 (Super/Win); Meta aliases Alt. */
     wSetModifierMasks(Mod1Mask, Mod1Mask, Mod4Mask, 0);
+
+    /* Phase 11: disable clip/dock in Wayland mode — wDockCreate requires
+     * X11 rendering resources (GCs, pixmaps) that are unavailable without
+     * dpy.  Setting noclip/nodock prevents wWorkspaceNew from calling
+     * wDockCreate when additional workspaces are created. */
+    wPreferences.flags.noclip = 1;
+    wPreferences.flags.nodock = 1;
+    wwarning("wl_backend: dock/clip disabled in Wayland mode (noclip=1 nodock=1)");
 }
 static void wl_screen_create_pixmaps(WScreen *scr) { (void)scr; }
 static void wl_screen_load_tech_font(WScreen *scr) { (void)scr; }
diff --git a/tests/wl-smoke-test.sh b/tests/wl-smoke-test.sh
index 8a59a6f..1691a9c 100755
--- a/tests/wl-smoke-test.sh
+++ b/tests/wl-smoke-test.sh
@@ -104,6 +104,13 @@
 #      from the headless keyboard are dispatched through the WM shortcut
 #      handler before being forwarded to focused clients.
 #      Verified by "keyboard key+modifiers listeners wired" log.
+#  37. (Phase 11) noclip/nodock set in wl_screen_create_internals: wDockCreate
+#      requires X11 rendering resources unavailable in Wayland mode; disabling
+#      the dock/clip prevents crashes when wWorkspaceNew is called to create
+#      additional workspaces.  App icon creation path (wApplicationCreate →
+#      create_appicon_for_application → wIconUpdate/wIconPaint) guarded with
+#      !dpy early returns so the full manage/unmanage lifecycle works without
+#      X11 rendering.  Verified by "dock/clip disabled" log message.
 #
 # This test grows as wl_backend vtable slots are implemented.
 #
@@ -229,6 +236,14 @@ grep -q 'keyboard key+modifiers listeners wired' /tmp/wl-smoke-stderr \
     || die "compositor did not log keyboard listeners wired"
 echo "  kbd listener check: keyboard key+modifiers listeners wired"
 
+# -- 4f. Phase 11: dock/clip disabled in Wayland mode --------------------
+#
+# wl_screen_create_internals sets noclip=1 and nodock=1 so wWorkspaceNew
+# does not call wDockCreate (which requires X11 rendering resources).
+grep -q 'dock/clip disabled in Wayland mode' /tmp/wl-smoke-stderr \
+    || die "compositor did not log dock/clip disabled (noclip/nodock not set in wl_screen_create_internals)"
+echo "  nodock check: dock/clip disabled in Wayland mode (noclip=1 nodock=1)"
+
 # -- 5. Core Wayland globals must be advertised ---------------------------
 #
 # Phase 35: wl_compositor, wl_seat, and xdg_wm_base must appear in the