diff --git a/codemaker/source/cppumaker/cpputype.cxx b/codemaker/source/cppumaker/cpputype.cxx
index 2c8f938e6bb1..bb8e3ed7d33c 100644
--- a/codemaker/source/cppumaker/cpputype.cxx
+++ b/codemaker/source/cppumaker/cpputype.cxx
@@ -1198,7 +1198,7 @@ void InterfaceType::dumpHppFile(
     if (name_ == "com.sun.star.uno.XInterface") {
         out << "template<typename> struct IsUnoInterfaceType: ::std::false_type {};\n"
                "template<typename T> inline constexpr auto isUnoInterfaceType ="
-                   " IsUnoInterfaceType<T>::value;\n";
+                   " sizeof (T) && IsUnoInterfaceType<T>::value;\n";
     }
     out << "template<> struct IsUnoInterfaceType<";
     dumpType(out, name_, false, false, true);
diff --git a/sd/source/ui/inc/futext.hxx b/sd/source/ui/inc/futext.hxx
index 310df1455af1..681597b4cd6d 100644
--- a/sd/source/ui/inc/futext.hxx
+++ b/sd/source/ui/inc/futext.hxx
@@ -20,9 +20,9 @@
 #pragma once
 
 #include "fuconstr.hxx"
+#include <svx/svdotext.hxx>
 #include <unotools/weakref.hxx>
 
-class SdrTextObj;
 class FontList;
 class OutlinerView;