diff --git a/GUI/Support/Util/ItemFileNameUtil.cpp b/GUI/Support/Util/ItemFileNameUtil.cpp
index 5028180a5e67b520cc0401e704f1111cfdad7e24..319e9ce24f223f8842e5da6ae64e1f7cc85eb8dc 100644
--- a/GUI/Support/Util/ItemFileNameUtil.cpp
+++ b/GUI/Support/Util/ItemFileNameUtil.cpp
@@ -63,17 +63,3 @@ QString GUI::Model::FilenameUtil::nativeDataFileName(const QString& dataName)
 {
     return intensityDataFileName(dataName, nativedata_file_prefix);
 }
-
-
-//! Returns list of fileName filters related to nonXML data stored by JobModel and RealModel.
-
-QStringList GUI::Model::FilenameUtil::nonXMLFileNameFilters()
-{
-    QStringList result = QStringList() << QString(jobdata_file_prefix + "_*.int.gz")
-                                       << QString(refdata_file_prefix + "_*.int.gz")
-                                       << QString(realdata_file_prefix + "_*.int.gz")
-                                       << QString(nativedata_file_prefix + "_*.int.gz")
-                                       << QString(instrument_file_prefix + "_*.int.gz");
-
-    return result;
-}
diff --git a/GUI/Support/Util/ItemFileNameUtil.h b/GUI/Support/Util/ItemFileNameUtil.h
index fd0c8cec930c9f3ec37301770b7babb212e70d56..d51f5b3f42783e634ba676709cd2aa7983dbe91b 100644
--- a/GUI/Support/Util/ItemFileNameUtil.h
+++ b/GUI/Support/Util/ItemFileNameUtil.h
@@ -31,8 +31,6 @@ QString realDataFileName(const QString& dataName);
 
 QString nativeDataFileName(const QString& dataName);
 
-QStringList nonXMLFileNameFilters();
-
 } // namespace GUI::Model::FilenameUtil
 
 #endif // BORNAGAIN_GUI_SUPPORT_UTIL_ITEMFILENAMEUTIL_H
diff --git a/Tests/Unit/GUI/TestProjectUtils.cpp b/Tests/Unit/GUI/TestProjectUtils.cpp
index fc597fa487cfc5ea668c74afe08cfd2e506bded8..235a69a26b00fbd132028487cc2f98e1681df5ee 100644
--- a/Tests/Unit/GUI/TestProjectUtils.cpp
+++ b/Tests/Unit/GUI/TestProjectUtils.cpp
@@ -16,7 +16,7 @@ QStringList nonXMLDataInDir(const QString& dirname)
     if (!dir.exists())
         throw std::runtime_error("Error. Non existing directory '" + dirname.toLatin1() + "'.");
 
-    return dir.entryList(GUI::Model::FilenameUtil::nonXMLFileNameFilters());
+    return dir.entryList({"*.int", "*.int.gz"});
 }
 
 } // namespace
diff --git a/Tests/Unit/GUI/Utils.cpp b/Tests/Unit/GUI/Utils.cpp
index 25272f8702e036573e6f16fa0f1205fdc1043000..faada70e65c3c2da00d4d0e6efc3b4a40dbe6e1c 100644
--- a/Tests/Unit/GUI/Utils.cpp
+++ b/Tests/Unit/GUI/Utils.cpp
@@ -35,7 +35,7 @@ void UTest::GUI::create_dir(const QString& dir_name)
         QDir(dir_name).removeRecursively();
 
     if (!QDir(".").mkdir(dir_name))
-        throw std::runtime_error("UTest::GUI::create_dir -> Error. Cannot create '"
+        throw std::runtime_error("Cannot create '"
                                  + dir_name.toLatin1() + "' in parent directory '.'.");
 }