diff --git a/browser/components/preferences/tests/browser_bug731866.js b/browser/components/preferences/tests/browser_bug731866.js
index 5036718cd078..c1eba138f5c4 100644
--- a/browser/components/preferences/tests/browser_bug731866.js
+++ b/browser/components/preferences/tests/browser_bug731866.js
@@ -5,6 +5,10 @@ const browserContainersGroupDisabled = !SpecialPowers.getBoolPref(
   "privacy.userContext.ui.enabled"
 );
 
+const httpsOnlyVisible = SpecialPowers.getBoolPref(
+  "browser.preferences.exposeHTTPSOnly"
+);
+
 function test() {
   waitForExplicitFinish();
   open_preferences(runTest);
@@ -32,6 +36,12 @@ function checkElements(expectedPane) {
       continue;
     }
 
+    // HTTPS-Only Mode is exposed depending on the preference.
+    if (element.id == "httpsOnlyBox" && !httpsOnlyVisible) {
+      is_element_hidden(element, "Disabled httpsOnlyBox should be hidden");
+      continue;
+    }
+
     let attributeValue = element.getAttribute("data-category");
     let suffix = " (id=" + element.id + ")";
     if (attributeValue == "pane" + expectedPane) {
diff --git a/browser/components/preferences/tests/browser_bug795764_cachedisabled.js b/browser/components/preferences/tests/browser_bug795764_cachedisabled.js
index 1890e0e97ced..c454454df638 100644
--- a/browser/components/preferences/tests/browser_bug795764_cachedisabled.js
+++ b/browser/components/preferences/tests/browser_bug795764_cachedisabled.js
@@ -1,6 +1,10 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
+const httpsOnlyVisible = SpecialPowers.getBoolPref(
+  "browser.preferences.exposeHTTPSOnly"
+);
+
 function test() {
   waitForExplicitFinish();
 
@@ -34,6 +38,16 @@ async function runTest(win) {
   for (let element of elements) {
     let attributeValue = element.getAttribute("data-category");
     if (attributeValue == "panePrivacy") {
+      // HTTPS-Only Mode is exposed depending on the preference.
+      if (element.id == "httpsOnlyBox") {
+        if (httpsOnlyVisible) {
+          is_element_visible(element, "HTTPSOnly should be visible");
+        } else {
+          is_element_hidden(element, "HTTPSOnly should not be visible");
+        }
+        continue;
+      }
+
       is_element_visible(
         element,
         `Privacy element of id=${element.id} should be visible`