diff --git a/toolkit/content/aboutSupport.js b/toolkit/content/aboutSupport.js
index b1d7ab5f6..2b4cb5a6b 100644
--- a/toolkit/content/aboutSupport.js
+++ b/toolkit/content/aboutSupport.js
@@ -52,28 +52,6 @@ var snapshotFormatters = {
     if (data.updateChannel)
       $("updatechannel-box").textContent = data.updateChannel;
 
-    let statusText = stringBundle().GetStringFromName("multiProcessStatus.unknown");
-
-    // Whitelist of known values with string descriptions:
-    switch (data.autoStartStatus) {
-      case 0:
-      case 1:
-      case 2:
-      case 4:
-      case 6:
-      case 7:
-      case 8:
-        statusText = stringBundle().GetStringFromName("multiProcessStatus." + data.autoStartStatus);
-        break;
-
-      case 10:
-        statusText = (Services.appinfo.OS == "Darwin" ? "OS X 10.6 - 10.8" : "Windows XP");
-        break;
-    }
-
-    $("multiprocess-box").textContent = stringBundle().formatStringFromName("multiProcessWindows",
-      [data.numRemoteWindows, data.numTotalWindows, statusText], 3);
-
     $("safemode-box").textContent = data.safeMode;
   },
 
diff --git a/toolkit/content/aboutSupport.xhtml b/toolkit/content/aboutSupport.xhtml
index 5eb64d437..dd488b194 100644
--- a/toolkit/content/aboutSupport.xhtml
+++ b/toolkit/content/aboutSupport.xhtml
@@ -225,15 +225,6 @@
             </td>
           </tr>
 
-          <tr>
-            <th class="column">
-              &aboutSupport.appBasicsMultiProcessSupport;
-            </th>
-
-            <td id="multiprocess-box">
-            </td>
-          </tr>
-
           <tr>
             <th class="column">
               &aboutSupport.appBasicsSafeMode;
diff --git a/toolkit/locales/en-US/chrome/global/aboutSupport.dtd b/toolkit/locales/en-US/chrome/global/aboutSupport.dtd
index a0dd3531b..f8b92d57f 100644
--- a/toolkit/locales/en-US/chrome/global/aboutSupport.dtd
+++ b/toolkit/locales/en-US/chrome/global/aboutSupport.dtd
@@ -63,8 +63,6 @@ Windows/Mac use the term "Folder" instead of "Directory" -->
 
 <!ENTITY aboutSupport.appBasicsProfiles "Profiles">
 
-<!ENTITY aboutSupport.appBasicsMultiProcessSupport "Multiprocess Windows">
-
 <!ENTITY aboutSupport.appBasicsSafeMode "Safe Mode">
 
 <!ENTITY aboutSupport.showDir.label "Open Directory">
diff --git a/toolkit/modules/Troubleshoot.jsm b/toolkit/modules/Troubleshoot.jsm
index 8d84eec8c..eb1c86cf3 100644
--- a/toolkit/modules/Troubleshoot.jsm
+++ b/toolkit/modules/Troubleshoot.jsm
@@ -222,16 +222,6 @@ var dataProviders = {
 
     data.remoteAutoStart = Services.appinfo.browserTabsRemoteAutostart;
 
-    try {
-      let e10sStatus = Cc["@mozilla.org/supports-PRUint64;1"]
-                         .createInstance(Ci.nsISupportsPRUint64);
-      let appinfo = Services.appinfo.QueryInterface(Ci.nsIObserver);
-      appinfo.observe(e10sStatus, "getE10SBlocked", "");
-      data.autoStartStatus = e10sStatus.data;
-    } catch (e) {
-      data.autoStartStatus = -1;
-    }
-
     done(data);
   },
 
diff --git a/toolkit/modules/tests/browser/browser_Troubleshoot.js b/toolkit/modules/tests/browser/browser_Troubleshoot.js
index 4124be1fb..b5ac6a697 100644
--- a/toolkit/modules/tests/browser/browser_Troubleshoot.js
+++ b/toolkit/modules/tests/browser/browser_Troubleshoot.js
@@ -130,9 +130,6 @@ const SNAPSHOT_SCHEMA = {
           type: "boolean",
           required: true,
         },
-        autoStartStatus: {
-          type: "number",
-        },
         numTotalWindows: {
           type: "number",
         },