diff --git a/docs/source/format/index.rst b/docs/source/format/index.rst
index 2b406fe6a615e..0d4ddd26ecb21 100644
--- a/docs/source/format/index.rst
+++ b/docs/source/format/index.rst
@@ -22,7 +22,6 @@ Specifications
 
 .. toctree::
    :maxdepth: 2
-   :caption: Arrow Columnar Format
    :hidden:
 
    FormatIntro
@@ -31,30 +30,12 @@ Specifications
    Changing
    CanonicalExtensions
    Other
-
-.. toctree::
-   :maxdepth: 2
-   :caption: C definitions
-   :hidden:
-
    CDataInterface
    CStreamInterface
    CDeviceDataInterface
    DissociatedIPC
-
-.. toctree::
-   :maxdepth: 2
-   :caption: Flight and ADBC
-   :hidden:
-
    Flight
    FlightSql
    ADBC
-
-.. toctree::
-   :maxdepth: 2
-   :caption: Other
-   :hidden:
-
    Integration
    Glossary