diff --git a/Documentation/filesystems/ext4/index.rst b/Documentation/filesystems/ext4/index.rst
index 3be3e54d480d..705d813d558f 100644
--- a/Documentation/filesystems/ext4/index.rst
+++ b/Documentation/filesystems/ext4/index.rst
@@ -8,7 +8,7 @@ ext4 Data Structures and Algorithms
    :maxdepth: 6
    :numbered:
 
-   about.rst
-   overview.rst
-   globals.rst
-   dynamic.rst
+   about
+   overview
+   globals
+   dynamic
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index 35644840a690..1651173f1118 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -17,7 +17,7 @@ algorithms work.
    :maxdepth: 2
 
    vfs
-   path-lookup.rst
+   path-lookup
    api-summary
    splice
 
@@ -41,4 +41,4 @@ Documentation for individual filesystem types can be found here.
 .. toctree::
    :maxdepth: 2
 
-   binderfs.rst
+   binderfs