diff --git a/install_and_test.md b/install_and_test.md
index ff985e102f31e3a9ea301adaa5d4f7e07d116427..44eafefe679f0ce834a1ca7af9693bdb884ee83c 100644
--- a/install_and_test.md
+++ b/install_and_test.md
@@ -23,9 +23,6 @@ To run the C and python tests of the installed `hotwheels` components, run:
 python -m hotwheels.checkup hotwheels
 ```
 
-
-## Environment variables
-
 Here below some relevant environment variables to change hotwheels default settings:
 
 | Environment Variable | Description                                                                                           |