diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index 01b8e67e..ecb3a388 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -2514,8 +2514,9 @@ make_linkhtml_entries:prequel,sequels,groups,coverSource
 include_in_genre:genre,content
 
 ## What fimfiction.net has labeled 'fandoms', FFF historically calls
-## 'category'.
-include_in_category:category,fandoms
+## 'category'.  Commented out by default due to "My Little Pony:
+## Friendship is Magic" from extracategories vs "MLP: FiM" in fandoms.
+#include_in_category:category,fandoms
 
 [www.fireflyfans.net]
 website_encodings:Windows-1252,utf8,iso-8859-1
diff --git a/fanficfare/defaults.ini b/fanficfare/defaults.ini
index 745588d4..fc199570 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -2542,8 +2542,9 @@ make_linkhtml_entries:prequel,sequels,groups,coverSource
 include_in_genre:genre,content
 
 ## What fimfiction.net has labeled 'fandoms', FFF historically calls
-## 'category'.
-include_in_category:category,fandoms
+## 'category'.  Commented out by default due to "My Little Pony:
+## Friendship is Magic" from extracategories vs "MLP: FiM" in fandoms.
+#include_in_category:category,fandoms
 
 [www.fireflyfans.net]
 website_encodings:Windows-1252,utf8,iso-8859-1