diff --git a/Documentation/core-api/index.rst b/Documentation/core-api/index.rst
index 6870baffef82..ee1bb8983a88 100644
--- a/Documentation/core-api/index.rst
+++ b/Documentation/core-api/index.rst
@@ -22,7 +22,6 @@ Core utilities
    workqueue
    genericirq
    xarray
-   flexible-arrays
    librs
    genalloc
    errseq