diff --git a/doc/source/api.rst b/doc/source/api.rst
index 073ed8a082a11..ffa240febf731 100644
--- a/doc/source/api.rst
+++ b/doc/source/api.rst
@@ -906,7 +906,6 @@ Indexing, iteration
    DataFrame.loc
    DataFrame.iloc
    DataFrame.insert
-   DataFrame.insert
    DataFrame.__iter__
    DataFrame.items
    DataFrame.keys