diff --git a/src/libs/vgeometry/vpointf.h b/src/libs/vgeometry/vpointf.h
index 5bb44a22f..b84d8c48e 100644
--- a/src/libs/vgeometry/vpointf.h
+++ b/src/libs/vgeometry/vpointf.h
@@ -92,7 +92,6 @@ private:
 Q_DECLARE_METATYPE(VPointF)
 Q_DECLARE_TYPEINFO(VPointF, Q_MOVABLE_TYPE);
 
-// cppcheck-suppress syntaxError
 QT_WARNING_POP
 
 #endif // VPOINTF_H
diff --git a/src/libs/vmisc/diagnostic.h b/src/libs/vmisc/diagnostic.h
index a75f0e4ee..7acf70cc7 100644
--- a/src/libs/vmisc/diagnostic.h
+++ b/src/libs/vmisc/diagnostic.h
@@ -29,11 +29,7 @@
 #ifndef DIAGNOSTIC_H
 #define DIAGNOSTIC_H
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
-
-#include <QtCore/qcompilerdetection.h>
-
-#else
+#if QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
 
 /*
  * Warning/diagnostic handling
@@ -89,6 +85,6 @@
 #  define QT_WARNING_DISABLE_GCC(text)
 #endif
 
-#endif // QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
+#endif // QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
 
 #endif // DIAGNOSTIC_H