diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8f528d0b..d6e685ac 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -275,7 +275,6 @@ documentation:
   variables:
     MESON_ARGS: >
       -Ddoc=enabled
-      -Domx=disabled
       -Dpython=disabled
       -Dlibav=disabled
       -Dlibnice=disabled