--- a/browser/components/preferences/blocklists.js
+++ b/browser/components/preferences/blocklists.js
@@ -107,47 +107,26 @@ var gBlocklistManager = {
     for (let list of this._blockLists) {
       if (list.selected) {
         selected = list;
         break;
       }
     }
 
     if (activeList !== selected.id) {
-      const Cc = Components.classes, Ci = Components.interfaces;
-      let msg = this._bundle.getFormattedString("blocklistChangeRequiresRestart",
-                                                [this._brandShortName]);
-      let title = this._bundle.getFormattedString("shouldRestartTitle",
-                                                  [this._brandShortName]);
-      let shouldProceed = Services.prompt.confirm(window, title, msg);
-      if (shouldProceed) {
-        let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"]
-                           .createInstance(Ci.nsISupportsPRBool);
-        Services.obs.notifyObservers(cancelQuit, "quit-application-requested",
-                                     "restart");
-        shouldProceed = !cancelQuit.data;
+      let trackingTable = Services.prefs.getCharPref(TRACKING_TABLE_PREF);
+      if (selected.id != CONTENT_LIST_ID) {
+        trackingTable = trackingTable.replace("," + CONTENT_LIST_ID + TRACK_SUFFIX, "");
+      } else {
+        trackingTable += "," + CONTENT_LIST_ID + TRACK_SUFFIX;
+      }
+      Services.prefs.setCharPref(TRACKING_TABLE_PREF, trackingTable);
+      Services.prefs.setCharPref(UPDATE_TIME_PREF, 42);
+    }
 
-        if (shouldProceed) {
-          let trackingTable = Services.prefs.getCharPref(TRACKING_TABLE_PREF);
-          if (selected.id != CONTENT_LIST_ID) {
-            trackingTable = trackingTable.replace("," + CONTENT_LIST_ID + TRACK_SUFFIX, "");
-          } else {
-            trackingTable += "," + CONTENT_LIST_ID + TRACK_SUFFIX;
-          }
-          Services.prefs.setCharPref(TRACKING_TABLE_PREF, trackingTable);
-          Services.prefs.setCharPref(UPDATE_TIME_PREF, 42);
-
-          Services.startup.quit(Ci.nsIAppStartup.eAttemptQuit |
-                                Ci.nsIAppStartup.eRestart);
-        }
-      }
-
-      // Don't close the dialog in case we didn't quit.
-      return;
-    }
     window.close();
   },
 
   _loadBlockLists() {
     this._blockLists = [];
 
     // Load blocklists into a table.
     let branch = Services.prefs.getBranch(LISTS_PREF_BRANCH);

--- a/browser/locales/en-US/chrome/browser/preferences/preferences.properties
+++ b/browser/locales/en-US/chrome/browser/preferences/preferences.properties
@@ -58,18 +58,16 @@ mozNameTemplate=%1$S %2$S
 # LOCALIZATION NOTE (mozstdName, etc.): These labels appear in the tracking
 # protection block lists dialog, mozNameTemplate is used to create the final
 # string. Note that in the future these two strings (name, desc) could be
 # displayed on two different lines.
 mozstdName=Disconnect.me basic protection (Recommended).
 mozstdDesc=Allows some trackers so websites function properly.
 mozfullName=Disconnect.me strict protection.
 mozfullDesc2=Blocks known trackers. Some websites may not function properly.
-# LOCALIZATION NOTE (blocklistChangeRequiresRestart): %S = brandShortName
-blocklistChangeRequiresRestart=%S must restart to change block lists.
 
 #### Master Password
 
 pw_change2empty_in_fips_mode=You are currently in FIPS mode. FIPS requires a non-empty Master Password.
 pw_change_failed_title=Password Change Failed
 
 #### Fonts