diff --git a/share/isso.conf b/share/isso.conf
index 9bb26c7..343cad9 100644
--- a/share/isso.conf
+++ b/share/isso.conf
@@ -134,7 +134,7 @@ reply-to-self = false
 
 # Misaka-specific Markdown extensions, all flags starting with EXT_ can be used
 # there, separated by comma.
-options = strikethrough, superscript, autolink, fenced_code, no_intra_emphasis
+options = strikethrough, autolink, fenced_code, no_intra_emphasis
 
 # Additional HTML tags to allow in the generated output, comma-separated. By
 # default, only a, blockquote, br, code, del, em, h1, h2, h3, h4, h5, h6, hr,