diff --git a/gfx/thebes/crashtests/409006-1.html b/gfx/thebes/crashtests/409006-1.html
deleted file mode 100644
index cac54a20eb3..00000000000
--- a/gfx/thebes/crashtests/409006-1.html
+++ /dev/null
@@ -1,17 +0,0 @@
-<html><head>
-<script>
-function boom() {
-  var s = '';
-  var limit = 910;
-  for (var i = 0; i < limit; i++)
-  {
-    s += 'xxxxxx';
-  }
-  for (var i = 0; i < limit; i++)
-  {
-    s += 'y\ny\ny\ny\n';
-  }
-  alert(s);
-}
-</script>
-</head><body onload="boom()"></body></html>
diff --git a/gfx/thebes/crashtests/409006-2.html b/gfx/thebes/crashtests/409006-2.html
deleted file mode 100644
index ae04cf34703..00000000000
--- a/gfx/thebes/crashtests/409006-2.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<html><head>
-<script>
-function boom() {
-  var s = '';
-  var limit = 865;
-  for (var i = 0; i < limit; i++)
-  {
-    s += 'y\ny\ny\ny\n';
-  }
-  alert(s);
-}
-</script>
-</head><body onload="boom()"></body></html>
diff --git a/gfx/thebes/crashtests/409006-3.html b/gfx/thebes/crashtests/409006-3.html
deleted file mode 100644
index 1d3bf24e4f4..00000000000
--- a/gfx/thebes/crashtests/409006-3.html
+++ /dev/null
@@ -1,13 +0,0 @@
-<html><head>
-<script>
-function boom() {
-  var s = '';
-  var limit = 910;
-  for (var i = 0; i < limit; i++)
-  {
-    s += 'xxxxxx';
-  }
-  alert(s);
-}
-</script>
-</head><body onload="boom()"></body></html>
diff --git a/gfx/thebes/crashtests/crashtests.list b/gfx/thebes/crashtests/crashtests.list
index 29ea61d1e74..af49fb7077d 100644
--- a/gfx/thebes/crashtests/crashtests.list
+++ b/gfx/thebes/crashtests/crashtests.list
@@ -30,9 +30,6 @@ load 404112-2.html
 load 405268-1.xhtml
 load 407761-1.html
 load 407842.html
-load 409006-1.html
-load 409006-2.html
-load 409006-3.html
 load 410728-1.xml
 load 416637-1.html
 load 419095-1.html
