diff --git a/.readthedocs.yml b/.readthedocs.yml
index 5ecf1c9..ed57d26 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,6 +1,5 @@
 version: 2
 formats:
-  - pdf
   - epub
 build:
   os: ubuntu-22.04