diff --git a/modules/libpref/init/StaticPrefList.h b/modules/libpref/init/StaticPrefList.h
index 5ba4d0064455..157852e56ede 100644
--- a/modules/libpref/init/StaticPrefList.h
+++ b/modules/libpref/init/StaticPrefList.h
@@ -1636,13 +1636,6 @@ VARCACHE_PREF(
   bool, true
 )
 
-// Whether Content Blocking UI has been enabled.
-VARCACHE_PREF(
-  "browser.contentblocking.ui.enabled",
-   browser_contentblocking_ui_enabled,
-  bool, true
-)
-
 // Whether Content Blocking Third-Party Cookies UI has been enabled.
 VARCACHE_PREF(
   "browser.contentblocking.allowlist.storage.enabled",