diff --git a/docs/index.rst b/docs/index.rst
index a26299aa..f184b6f8 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -3,7 +3,7 @@ Contents
 ========
 
 .. toctree::
-   :maxdepth: 4
+   :maxdepth: 3
 
    readme
    installation
diff --git a/docs/reference/index.rst b/docs/reference/index.rst
index 74c3bbc1..9d9e4821 100644
--- a/docs/reference/index.rst
+++ b/docs/reference/index.rst
@@ -7,3 +7,4 @@ Reference
 .. automodapi:: dtscalibration
    :skip: plot_dask
    :members:
+   :no-inheritance-diagram:
diff --git a/src/dtscalibration/datastore.py b/src/dtscalibration/datastore.py
index eb895c10..97eca919 100644
--- a/src/dtscalibration/datastore.py
+++ b/src/dtscalibration/datastore.py
@@ -46,7 +46,7 @@
 class DataStore(xr.Dataset):
     """The data class that stores the measurements, contains calibration
     methods to relate Stokes and anti-Stokes to temperature. The user should
-    never initiate this class directly, but use read_xml_dir or open_datastore
+    never initiate this class directly, but use open_datastore
     functions instead.
 
     Parameters
@@ -85,7 +85,6 @@ class DataStore(xr.Dataset):
 
     See Also
     --------
-    dtscalibration.read_xml_dir : Load measurements stored in XML-files
     dtscalibration.open_datastore : Load (calibrated) measurements from
     netCDF-like file
     """