diff --git a/.readthedocs.yml b/.readthedocs.yml
index a3ae27dac..59affecda 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -2,7 +2,6 @@
 version: 2
 formats:
   - htmlzip
-  - pdf
 python:
   version: 3.7
   install: