diff --git a/browser/components/BrowserGlue.jsm b/browser/components/BrowserGlue.jsm
index 46753bd6727d113483b543bc8703c20e2c603276..35e0ae40ee0ae118c90fba6f5061b84fc07e1dd8 100644
--- a/browser/components/BrowserGlue.jsm
+++ b/browser/components/BrowserGlue.jsm
@@ -2321,8 +2321,6 @@ BrowserGlue.prototype = {
     this._monitorScreenshotsPref();
     this._monitorWebcompatReporterPref();
     this._monitorHTTPSOnlyPref();
-    this._monitorIonPref();
-    this._monitorIonStudies();
     this._setupSearchDetection();
 
     this._monitorGPCPref();