diff --git a/skins/material3/QskMaterial3Skin.cpp b/skins/material3/QskMaterial3Skin.cpp
index b9c622c8..661b5c17 100644
--- a/skins/material3/QskMaterial3Skin.cpp
+++ b/skins/material3/QskMaterial3Skin.cpp
@@ -98,10 +98,12 @@ namespace
         return value * factor;
     }
 
+#if 0
     inline double operator ""_dp( long double value )
     {
         return dpToPixels( value );
     }
+#endif
 
     inline double operator ""_dp( unsigned long long int value )
     {