diff --git a/tests/unit/unittest/clangfixitoperationtest.cpp b/tests/unit/unittest/clangfixitoperationtest.cpp
index 1ed3e86c937..7989b3c839c 100644
--- a/tests/unit/unittest/clangfixitoperationtest.cpp
+++ b/tests/unit/unittest/clangfixitoperationtest.cpp
@@ -82,11 +82,11 @@ protected:
     FixItContainer semicolonFixItContainer{Utf8StringLiteral(";"),
                                   {{filePath, 3u, 29u},
                                    {filePath, 3u, 29u}}};
-    QString semicolonErrorFile{QStringLiteral(TESTDATA_DIR"/diagnostic_semicolon_fixit.cpp")};
-    QString semicolonExpectedFile{QStringLiteral(TESTDATA_DIR"/diagnostic_semicolon_fixit_expected.cpp")};
-    QString compareWarningFile{QStringLiteral(TESTDATA_DIR"/diagnostic_comparison_fixit.cpp")};
-    QString compareExpected1File{QStringLiteral(TESTDATA_DIR"/diagnostic_comparison_fixit_expected1.cpp")};
-    QString compareExpected2File{QStringLiteral(TESTDATA_DIR"/diagnostic_comparison_fixit_expected2.cpp")};
+    QString semicolonErrorFile{QString::fromUtf8(TESTDATA_DIR "/diagnostic_semicolon_fixit.cpp")};
+    QString semicolonExpectedFile{QString::fromUtf8(TESTDATA_DIR"/diagnostic_semicolon_fixit_expected.cpp")};
+    QString compareWarningFile{QString::fromUtf8(TESTDATA_DIR"/diagnostic_comparison_fixit.cpp")};
+    QString compareExpected1File{QString::fromUtf8(TESTDATA_DIR"/diagnostic_comparison_fixit_expected1.cpp")};
+    QString compareExpected2File{QString::fromUtf8(TESTDATA_DIR"/diagnostic_comparison_fixit_expected2.cpp")};
     FixItContainer compareFixItContainer{Utf8StringLiteral("=="),
                                   {{filePath, 4u, 43u},
                                    {filePath, 4u, 44u}}};
diff --git a/tests/unit/unittest/codecompletiontest.cpp b/tests/unit/unittest/codecompletiontest.cpp
index 80679f7cd72..33a79d177be 100644
--- a/tests/unit/unittest/codecompletiontest.cpp
+++ b/tests/unit/unittest/codecompletiontest.cpp
@@ -118,7 +118,7 @@ Utf8String CodeCompleter::readFileContent(const QString &fileName)
 void CodeCompleter::copyTargetHeaderToTemporaryIncludeDirecory()
 {
     QFile::remove(targetHeaderPath);
-    bool hasCopied = QFile::copy(QStringLiteral(TESTDATA_DIR "/complete_target_header.h"),
+    bool hasCopied = QFile::copy(QString::fromUtf8(TESTDATA_DIR "/complete_target_header.h"),
                                  targetHeaderPath);
     EXPECT_TRUE(hasCopied);
 }
@@ -126,7 +126,7 @@ void CodeCompleter::copyTargetHeaderToTemporaryIncludeDirecory()
 void CodeCompleter::copyChangedTargetHeaderToTemporaryIncludeDirecory()
 {
     QFile::remove(targetHeaderPath);
-    bool hasCopied = QFile::copy(QStringLiteral(TESTDATA_DIR "/complete_target_header_changed.h"),
+    bool hasCopied = QFile::copy(QString::fromUtf8(TESTDATA_DIR "/complete_target_header_changed.h"),
                                  targetHeaderPath);
     EXPECT_TRUE(hasCopied);
 }