diff --git a/content/base/test/file_bug541937.html b/content/base/test/file_bug541937.html
index af45fb65f13c..93056754f984 100644
--- a/content/base/test/file_bug541937.html
+++ b/content/base/test/file_bug541937.html
@@ -1,8 +1,7 @@
-<!DOCTYPE html><html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8">
   <title>Test</title>
    <link rel="Top" href="">  foo </link>
 
 </head><body>
   <p>Hello world</p>
-</body>
-</html>
\ No newline at end of file
+</body></html>
\ No newline at end of file
diff --git a/content/base/test/test_bug541937.html b/content/base/test/test_bug541937.html
index d7e904960f0d..4efd30570aa3 100644
--- a/content/base/test/test_bug541937.html
+++ b/content/base/test/test_bug541937.html
@@ -90,7 +90,7 @@ function testSerializer () {
   encoder.init(doc, "text/html", de.OutputLFLineBreak);
   encoder.setCharset("UTF-8");
   result = encoder.encodeToString();
-  expected = '<!DOCTYPE HTML>\n<html><head><meta http-equiv=\"content-type\" content=\"text/html; \ncharset=UTF-8\">\n  <title>Test</title>\n';
+  expected = '<html><head><meta http-equiv=\"content-type\" content=\"text/html; \ncharset=UTF-8\">\n  <title>Test</title>\n';
   expected += '   <link rel=\"Top\" href=\"\"> ';
   expected += ' </head><body>foo \n\n\n  <p>Hello world</p>\n</body></html>';
   is(result, expected, "serialization of a link element with content, inside an html document");
