diff --git a/itext.tests/itext.sign.tests/itext/signatures/sign/SignatureAppearanceTest.cs b/itext.tests/itext.sign.tests/itext/signatures/sign/SignatureAppearanceTest.cs
index 702a85487..74760ca22 100644
--- a/itext.tests/itext.sign.tests/itext/signatures/sign/SignatureAppearanceTest.cs
+++ b/itext.tests/itext.sign.tests/itext/signatures/sign/SignatureAppearanceTest.cs
@@ -506,13 +506,7 @@ private void TestSignatureOnRotatedPage(int pageNum, bool useDescription, bool u
             // Make sure iText can open the document
             new PdfDocument(new PdfReader(dest)).Close();
             try {
-                // compareByContent will fail due to signing dates, compareSignatures doesn't check appearance
-                String testResult = new CompareTool().CompareVisually(dest, SOURCE_FOLDER + "cmp_" + fileName, DESTINATION_FOLDER
-                    , "diff_");
-                if (null != testResult) {
-                    assertionResults.Append(testResult);
-                }
-                testResult = SignaturesCompareTool.CompareSignatures(dest, SOURCE_FOLDER + "cmp_" + fileName);
+                String testResult = SignaturesCompareTool.CompareSignatures(dest, SOURCE_FOLDER + "cmp_" + fileName);
                 if (null != testResult) {
                     assertionResults.Append(testResult);
                 }
diff --git a/port-hash b/port-hash
index 490270fc1..b7315b6f9 100644
--- a/port-hash
+++ b/port-hash
@@ -1 +1 @@
-d3b25e7671571d4a3567b5a2309515e30c096db8
+79177b1e7091d262b40b2479b79347f6d8b9bc73