diff --git a/src/libs/qmuparser/qmuparsertest.cpp b/src/libs/qmuparser/qmuparsertest.cpp
index 706b8f3bd..26f683d28 100644
--- a/src/libs/qmuparser/qmuparsertest.cpp
+++ b/src/libs/qmuparser/qmuparsertest.cpp
@@ -46,9 +46,7 @@
  * @brief This file contains the implementation of parser test cases.
  */
 
-namespace qmu
-{
-namespace Test
+namespace qmu::Test
 {
 int QmuParserTester::c_iCount = 0;
 
@@ -1523,5 +1521,4 @@ void QmuParserTester::Abort()
         ;
     QCoreApplication::exit(-1);
 }
-} // namespace Test
-} // namespace qmu
+} // namespace qmu::Test
diff --git a/src/libs/qmuparser/qmuparsertest.h b/src/libs/qmuparser/qmuparsertest.h
index f9392a939..f9e4eef7d 100644
--- a/src/libs/qmuparser/qmuparsertest.h
+++ b/src/libs/qmuparser/qmuparsertest.h
@@ -41,12 +41,10 @@
  * @brief This file contains the parser test class.
  */
 
-namespace qmu
-{
 /**
  * @brief Namespace for test cases.
  */
-namespace Test
+namespace qmu::Test
 {
 //---------------------------------------------------------------------------------------------------------------------
 /**
@@ -231,7 +229,6 @@ private:
 
     static void Abort();
 };
-} // namespace Test
-} // namespace qmu
+} // namespace qmu::Test
 
 #endif