diff --git a/kommander/editor/resource.cpp b/kommander/editor/resource.cpp
index 8a4da33b..b369118e 100644
--- a/kommander/editor/resource.cpp
+++ b/kommander/editor/resource.cpp
@@ -166,7 +166,7 @@ bool Resource::load( FormFile *ff )
     TQFile f( ff->absFileName() );
     f.open( IO_ReadOnly );
 
-    bool b = load( ff, TQT_TQIODEVICE(&f) );
+    bool b = load( ff, &f );
     f.close();
 
     return b;
@@ -413,7 +413,7 @@ bool Resource::save( const TQString& filename, bool formCodeOnly )
     TQFile f( filename );
     if ( !f.open( IO_WriteOnly | IO_Translate ) )
 	return false;
-    bool b = save( TQT_TQIODEVICE(&f) );
+    bool b = save( &f );
     f.close();
     return b;
 }
@@ -1099,9 +1099,9 @@ void Resource::saveProperty( TQObject *w, const TQString &name, const TQVariant
 	num = value.toInt();
 	if ( w && w->inherits( "TQLayout" ) ) {
 	    if ( name == "spacing" )
-		num = MetaDataBase::spacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( TQT_TQLAYOUT(w) ) ) );
+		num = MetaDataBase::spacing( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( w ) ) );
 	    else if ( name == "margin" )
-		num = MetaDataBase::margin( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( TQT_TQLAYOUT(w) ) ) );
+		num = MetaDataBase::margin( WidgetFactory::containerOfWidget( WidgetFactory::layoutParent( w ) ) );
 	}
 	ts << makeIndent( indent ) << "<number>" << TQString::number( num ) << "</number>" << endl;
 	break;
@@ -1117,9 +1117,9 @@ void Resource::saveProperty( TQObject *w, const TQString &name, const TQVariant
 	unum = value.toUInt();
 	if ( w && w->inherits( "TQLayout" ) ) {
 	    if ( name == "spacing" )
-		num = MetaDataBase::spacing( WidgetFactory::layoutParent( TQT_TQLAYOUT(w) ) );
+		num = MetaDataBase::spacing( WidgetFactory::layoutParent( w ) );
 	    else if ( name == "margin" )
-		num = MetaDataBase::margin( WidgetFactory::layoutParent( TQT_TQLAYOUT(w) ) );
+		num = MetaDataBase::margin( WidgetFactory::layoutParent( w ) );
 	}
 	ts << makeIndent( indent ) << "<number>" << TQString::number( unum ) << "</number>" << endl;
 	break;
diff --git a/kommander/executor/instance.cpp b/kommander/executor/instance.cpp
index 6dbb1a10..43cf6c13 100644
--- a/kommander/executor/instance.cpp
+++ b/kommander/executor/instance.cpp
@@ -106,7 +106,7 @@ bool Instance::build(const KURL& fname)
   {
     TQFile inputFile;
     inputFile.open(IO_ReadOnly, stdin);
-    m_instance = KommanderFactory::create(TQT_TQIODEVICE(&inputFile));
+    m_instance = KommanderFactory::create(&inputFile);
   }
 
   // check if build was successful
diff --git a/kommander/factory/kommanderfactory.cpp b/kommander/factory/kommanderfactory.cpp
index 250f32ac..386fca7b 100644
--- a/kommander/factory/kommanderfactory.cpp
+++ b/kommander/factory/kommanderfactory.cpp
@@ -131,7 +131,7 @@ TQWidget *KommanderFactory::create( const TQString &uiFile, TQObject *connector,
     if (!qwf_currFileName)
       qwf_currFileName = new TQString();
     *qwf_currFileName = uiFile;
-    TQWidget *w = KommanderFactory::create( TQT_TQIODEVICE(&f), connector, parent, name );
+    TQWidget *w = KommanderFactory::create( &f, connector, parent, name );
     if ( !qwf_forms )
 	qwf_forms = new TQMap<TQWidget*, TQString>;
     qwf_forms->insert( w, uiFile );
diff --git a/quanta/parsers/dtd/dtdparser.cpp b/quanta/parsers/dtd/dtdparser.cpp
index 4f1b9d14..e2511b18 100644
--- a/quanta/parsers/dtd/dtdparser.cpp
+++ b/quanta/parsers/dtd/dtdparser.cpp
@@ -142,7 +142,7 @@ bool DTDParser::parse(const TQString &targetDir, bool entitiesOnly)
     TQFile file( DTD::dirName + "entities.tag" );
     if ( file.open( IO_WriteOnly ) )
     {
-      DTD::entityStream.setDevice(TQT_TQIODEVICE(&file));
+      DTD::entityStream.setDevice(&file);
       DTD::entityStream.setEncoding(TQTextStream::UnicodeUTF8);
       DTD::entityStream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" << endl;
       DTD::entityStream << "<!DOCTYPE TAGS>" << endl
diff --git a/quanta/src/document.cpp b/quanta/src/document.cpp
index a659d9cf..6ca6e6ab 100644
--- a/quanta/src/document.cpp
+++ b/quanta/src/document.cpp
@@ -2236,7 +2236,7 @@ void Document::checkDirtyStatus()
           const char* c = "";
           KMD5 context(c);
           context.reset();
-          context.update(*TQT_TQIODEVICE(&f));
+          context.update(f);
           m_md5sum = context.hexDigest();
           f.close();
         }
@@ -2252,7 +2252,7 @@ void Document::checkDirtyStatus()
           const char* c = "";
           KMD5 context(c);
           context.reset();
-          context.update(*TQT_TQIODEVICE(&f));
+          context.update(f);
           md5sum = context.hexDigest();
           kdDebug(24000) << "MD5 sum of current doc: " << m_md5sum << endl;
           kdDebug(24000) << "MD5 sum of doc on disc : " << md5sum << endl;
@@ -2323,7 +2323,7 @@ bool Document::saveAs(const KURL& url)
         const char* c = "";
         KMD5 context(c);
         context.reset();
-        context.update(*TQT_TQIODEVICE(&f));
+        context.update(f);
         m_md5sum = context.hexDigest();
         f.close();
       }
@@ -3181,7 +3181,7 @@ bool Document::openURL(const KURL& url)
       const char* c = "";
       KMD5 context(c);
       context.reset();
-      context.update(*TQT_TQIODEVICE(&f));
+      context.update(f);
       m_md5sum = context.hexDigest();
       f.close();
     }