diff --git a/reference/linalg/matrix_product.md b/reference/linalg/matrix_product.md
index 0c6437d2c..f48f31a84 100644
--- a/reference/linalg/matrix_product.md
+++ b/reference/linalg/matrix_product.md
@@ -164,7 +164,6 @@ int main()
 ```
 * .extent[link /reference/mdspan/extents/extent.md]
 * std::mdspan[link /reference/mdspan/mdspan.md]
-* std::extents[link /reference/mdspan/extents.md]
 * std::execution::par[link /reference/execution/execution/execution_policy.md]