diff --git a/docs/develop/index.rst b/docs/develop/index.rst
index 6b7b3c3910252c4136b1b96c9086c8abff5fccd4..64dbc4661382ecdeed96ec21d4d2a5fb3c6a4716 100644
--- a/docs/develop/index.rst
+++ b/docs/develop/index.rst
@@ -1,9 +1,6 @@
 Developing and building MicroPython
 ===================================
 
-This chapter describes modules (function and class libraries) which are built
-into MicroPython. There are a few categories of such modules:
-
 This chapter describes some options for extending MicroPython in C. Note
 that it doesn't aim to be a complete guide for developing with MicroPython.
 See the `getting started guide