diff --git a/config.toml b/config.toml
index 90e61a8..22a69eb 100644
--- a/config.toml
+++ b/config.toml
@@ -52,8 +52,8 @@ toc = true
 bottom_footnotes = true
 copy_button = true
 code_block_name_links = true
-katex = true
-mermaid = true
+katex = false     # can be set to true in individual posts as needed
+mermaid = false   # can be set to true in individual posts as needed
 show_reading_time = false
 
 copyright = "© $CURRENT_YEAR Fabian Montero $SEPARATOR Unless otherwise noted, the content in this website is available under the [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) license."