diff --git a/markdown/dev/reference/settings/en.md b/markdown/dev/reference/settings/en.md
index 31b708af0fd..80dd8dc27c0 100644
--- a/markdown/dev/reference/settings/en.md
+++ b/markdown/dev/reference/settings/en.md
@@ -12,7 +12,6 @@ settings are the measurements, but there's other settings too.
 Object settings = {
   Object absoluteOptions,
   Boolean complete=true,
-  Boolean debug=false,
   Boolean embed=false,
   String idPrefix='fs-',
   Object|Boolean layout=true,
diff --git a/packages/core/src/config.mjs b/packages/core/src/config.mjs
index ffa929dff9c..ecd0bd488cf 100644
--- a/packages/core/src/config.mjs
+++ b/packages/core/src/config.mjs
@@ -26,7 +26,6 @@ export const __loadPatternDefaults = () => ({
   margin: 2,
   scale: 1,
   layout: true,
-  debug: false,
   options: {},
   absoluteOptions: {},
   measurements: {},