4 files changed, 4 insertions, 4 deletions
diff --git a/oox/qa/unit/drawingml.cxx b/oox/qa/unit/drawingml.cxx
index e5896b0b49ed..92d08b5f0c8a 100644
--- a/oox/qa/unit/drawingml.cxx
+++ b/oox/qa/unit/drawingml.cxx
@@ -95,7 +95,7 @@ void OoxDrawingmlTest::loadAndReload(const OUString& rURL, const OUString& rFilt
     mxComponent = loadFromDesktop(aTempFile.GetURL());
 }
 
-OUStringLiteral const DATA_DIRECTORY = u"/oox/qa/unit/data/";
+constexpr OUStringLiteral DATA_DIRECTORY = u"/oox/qa/unit/data/";
 
 CPPUNIT_TEST_FIXTURE(OoxDrawingmlTest, testTransparentText)
 {
diff --git a/oox/qa/unit/mathml.cxx b/oox/qa/unit/mathml.cxx
index 87bdcaee3d9a..6d502b2933d8 100644
--- a/oox/qa/unit/mathml.cxx
+++ b/oox/qa/unit/mathml.cxx
@@ -42,7 +42,7 @@ void OoxMathmlTest::tearDown()
     test::BootstrapFixture::tearDown();
 }
 
-OUStringLiteral const DATA_DIRECTORY = u"/oox/qa/unit/data/";
+constexpr OUStringLiteral DATA_DIRECTORY = u"/oox/qa/unit/data/";
 
 CPPUNIT_TEST_FIXTURE(OoxMathmlTest, testImportCharacters)
 {
diff --git a/oox/qa/unit/shape.cxx b/oox/qa/unit/shape.cxx
index 6c88ba4ea21e..6195e4955a39 100644
--- a/oox/qa/unit/shape.cxx
+++ b/oox/qa/unit/shape.cxx
@@ -22,7 +22,7 @@
 
 using namespace ::com::sun::star;
 
-OUStringLiteral const DATA_DIRECTORY = u"/oox/qa/unit/data/";
+constexpr OUStringLiteral DATA_DIRECTORY = u"/oox/qa/unit/data/";
 
 /// oox shape tests.
 class OoxShapeTest : public test::BootstrapFixture, public unotest::MacrosTest
diff --git a/oox/qa/unit/vml.cxx b/oox/qa/unit/vml.cxx
index ca656a08276c..01c45b64f3ae 100644
--- a/oox/qa/unit/vml.cxx
+++ b/oox/qa/unit/vml.cxx
@@ -23,7 +23,7 @@
 
 using namespace ::com::sun::star;
 
-OUStringLiteral const DATA_DIRECTORY = u"/oox/qa/unit/data/";
+constexpr OUStringLiteral DATA_DIRECTORY = u"/oox/qa/unit/data/";
 
 /// oox vml tests.
 class OoxVmlTest : public test::BootstrapFixture, public unotest::MacrosTest