Index: cpptoxml/parser/binder.cpp
===================================================================
--- cpptoxml/parser/binder.cpp	(revision 1107607)
+++ cpptoxml/parser/binder.cpp	(working copy)
@@ -46,13 +46,13 @@
     name_cc(this),
     decl_cc(this)
 {
-  _M_qualified_types["char"] = QString();
-  _M_qualified_types["double"] = QString();
-  _M_qualified_types["float"] = QString();
-  _M_qualified_types["int"] = QString();
-  _M_qualified_types["long"] = QString();
-  _M_qualified_types["short"] = QString();
-  _M_qualified_types["void"] = QString();
+  _M_qualified_types["char"].clear();
+  _M_qualified_types["double"].clear();
+  _M_qualified_types["float"].clear();
+  _M_qualified_types["int"].clear();
+  _M_qualified_types["long"].clear();
+  _M_qualified_types["short"].clear();
+  _M_qualified_types["void"].clear();
 }

 Binder::~Binder()
@@ -546,7 +546,7 @@
       typeAlias->setName (alias_name);
       typeAlias->setType (qualifyType (typeInfo, currentScope ()->qualifiedName ()));
       typeAlias->setScope (typedefScope->qualifiedName());
-      _M_qualified_types[typeAlias->qualifiedName().join(".")] = QString();
+      _M_qualified_types[typeAlias->qualifiedName().join(".")].clear();
       currentScope ()->addTypeAlias (typeAlias);
     }
   while (it != end);
@@ -605,7 +605,7 @@
         return;

     ScopeModelItem scope = currentScope();
-    _M_qualified_types[(scope->qualifiedName() + name_cc.qualifiedName()).join(".") ] = QString();
+    _M_qualified_types[(scope->qualifiedName() + name_cc.qualifiedName()).join(".") ].clear();
 }

 void Binder::visitClassSpecifier(ClassSpecifierAST *node)
@@ -672,7 +672,7 @@
   CodeModel::FunctionType oldFunctionType = changeCurrentFunctionType(CodeModel::Normal);

   _M_current_class->setScope(scope->qualifiedName());
-  _M_qualified_types[_M_current_class->qualifiedName().join(".")] = QString();
+  _M_qualified_types[_M_current_class->qualifiedName().join(".")].clear();

   scope->addClass(_M_current_class);

@@ -720,7 +720,7 @@
   _M_current_enum->setName(name);
   _M_current_enum->setScope(enumScope->qualifiedName());

-  _M_qualified_types[_M_current_enum->qualifiedName().join(".")] = QString();
+  _M_qualified_types[_M_current_enum->qualifiedName().join(".")].clear();

   enumScope->addEnum(_M_current_enum);

Index: cpptoxml/parser/declarator_compiler.cpp
===================================================================
--- cpptoxml/parser/declarator_compiler.cpp	(revision 1107607)
+++ cpptoxml/parser/declarator_compiler.cpp	(working copy)
@@ -135,7 +135,7 @@
       const Token &end = _M_token_stream->token((int) node->expression->end_token);
       int length = (int) (end.position - start.position);

-      p.defaultValueExpression = QString();
+      p.defaultValueExpression.clear();
       QString source = QString::fromUtf8(&start.text[start.position], length).trimmed();
       QStringList list = source.split("\n");