diff --git a/layout/base/tests/bug1093686_inner.html b/layout/base/tests/bug1093686_inner.html
deleted file mode 100644
index 680e6fca0345..000000000000
--- a/layout/base/tests/bug1093686_inner.html
+++ /dev/null
@@ -1,84 +0,0 @@
-<!DOCTYPE HTML>
-<html id="html" style="height:100%">
-<head>
-  <title>Testing effect of listener on body</title>
-  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
-  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-  <style>
-  .target { position:absolute; left:200px; top:200px; width:200px; height:200px; background:blue; }
-  </style>
-</head>
-<body id="body" onload="setTimeout(runTest, 0)" style="margin:0; width:100%; height:100%; overflow:hidden">
-<div id="content">
-  <div id="ruler" style="position:absolute; left:0; top:0; width:1mozmm; height:0;"></div>
-  <div class="target" id="t"></div>
-</div>
-<pre id="test">
-<script type="application/javascript">
-var eventTarget;
-window.onmousedown = function(event) { eventTarget = event.target; };
-
-// Make sure the target div is "clickable" by adding a click listener on it.
-document.getElementById('t').addEventListener('click', function(e) {
-  parent.ok(true, "target was clicked on");
-}, false);
-
-// Helper functions
-
-function testMouseClick(aX, aY, aExpectedId, aMsg) {
-  eventTarget = null;
-  synthesizeMouseAtPoint(aX, aY, {});
-  try {
-    parent.is(eventTarget.id, aExpectedId,
-       "checking offset " + aX + "," + aY + " hit " + aExpectedId + " [" + aMsg + "]");
-  } catch (ex) {
-    parent.ok(false, "checking offset " + aX + "," + aY + " hit " + aExpectedId + " [" + aMsg + "]; got " + eventTarget);
-  }
-}
-
-function testWithAndWithoutBodyListener(aX, aY, aExpectedId, aMsg) {
-  var func = function(e) {
-    // no-op function
-    parent.ok(true, "body was clicked on");
-  };
-  testMouseClick(aX, aY, aExpectedId, aMsg + " without listener on body");
-  document.body.addEventListener("click", func, false);
-  testMouseClick(aX, aY, aExpectedId, aMsg + " with listener on body");
-  document.body.removeEventListener("click", func, false);
-}
-
-// Main tests
-
-var mm;
-function runTest() {
-  mm = document.getElementById("ruler").getBoundingClientRect().width;
-  parent.ok(4*mm >= 10, "WARNING: mm " + mm + " too small in this configuration. Test results will be bogus");
-
-  // Test near the target, check it hits the target
-  testWithAndWithoutBodyListener(200 - 2*mm, 200 - 2*mm, "t", "basic click retargeting");
-  // Test on the target, check it hits the target
-  testWithAndWithoutBodyListener(200 + 15*mm, 200 + 15*mm, "t", "direct click");
-  // Test outside the target, check it hits the root
-  testWithAndWithoutBodyListener(40, 40, "body", "click way outside target");
-
-  SpecialPowers.pushPrefEnv({"set": [["ui.mouse.radius.enabled", false]]}, runTest2);
-}
-
-function runTest2() {
-  // In this test, mouse event retargeting is disabled.
-
-  // Test near the target, check it hits the body
-  testWithAndWithoutBodyListener(200 - 2*mm, 200 - 2*mm, "body", "basic click retargeting");
-  // Test on the target, check it hits the target
-  testWithAndWithoutBodyListener(200 + 15*mm, 200 + 15*mm, "t", "direct click");
-  // Test outside the target, check it hits the root
-  testWithAndWithoutBodyListener(40, 40, "body", "click way outside target");
-
-  parent.finishTest();
-}
-
-</script>
-</pre>
-</body>
-</html>
diff --git a/layout/base/tests/mochitest.ini b/layout/base/tests/mochitest.ini
index 1d3421c663d9..d8119b7f69ce 100644
--- a/layout/base/tests/mochitest.ini
+++ b/layout/base/tests/mochitest.ini
@@ -506,5 +506,3 @@ support-files = bug1078327_inner.html
 [test_bug1080361.html]
 support-files = bug1080361_inner.html
 [test_touchcaret_visibility.html]
-[test_bug1093686.html]
-support-files = bug1093686_inner.html
diff --git a/layout/base/tests/test_bug1093686.html b/layout/base/tests/test_bug1093686.html
deleted file mode 100644
index 7b63f0ba554f..000000000000
--- a/layout/base/tests/test_bug1093686.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<!--
-https://bugzilla.mozilla.org/show_bug.cgi?id=1093686
--->
-  <head>
-    <meta charset="utf-8">
-    <title>Testing effect of listener on body with respect to event retargeting</title>
-    <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
-    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
-    <script type="text/javascript">
-      var iframe = undefined;
-      function prepareTest() {
-        SimpleTest.waitForExplicitFinish();
-        iframe = document.getElementById("testFrame");
-        turnOnEventRetargeting(startTest);
-      }
-      function turnOnEventRetargeting(callback) {
-        SpecialPowers.pushPrefEnv({
-          "set": [
-            ["ui.mouse.radius.enabled", true],
-            ["ui.mouse.radius.inputSource.touchOnly", false],
-            ["ui.mouse.radius.leftmm", 8],
-            ["ui.mouse.radius.topmm", 12],
-            ["ui.mouse.radius.rightmm", 8],
-            ["ui.mouse.radius.bottommm", 4]
-          ]
-        }, callback);
-      }
-      function startTest() {
-        iframe.src = "bug1093686_inner.html";
-      }
-      function finishTest() {
-        SimpleTest.finish();
-      }
-    </script>
-  </head>
-  <body onload="prepareTest()">
-    <iframe id="testFrame" height="700" width="700"></iframe>
-  </body>
-</html>
