diff --git a/src/abakuslistview.cpp b/src/abakuslistview.cpp
index 43fce29..b6b933e 100644
--- a/src/abakuslistview.cpp
+++ b/src/abakuslistview.cpp
@@ -29,8 +29,8 @@
 #include "valuemanager.h"
 #include "function.h"
 
-ListView::ListView(TQWidget *tqparent, const char *name) :
-    KListView(tqparent, name), m_menu(0), m_usePopup(false), m_removeSingleId(0),
+ListView::ListView(TQWidget *parent, const char *name) :
+    KListView(parent, name), m_menu(0), m_usePopup(false), m_removeSingleId(0),
     m_removeAllId(0)
 {
     setResizeMode(LastColumn);
@@ -147,8 +147,8 @@ Abakus::number_t ValueListViewItem::itemValue() const
     return m_value;
 }
 
-VariableListView::VariableListView(TQWidget *tqparent, const char *name) :
-    ListView(tqparent, name)
+VariableListView::VariableListView(TQWidget *parent, const char *name) :
+    ListView(parent, name)
 {
     enablePopupHandler(true);
 }
@@ -189,8 +189,8 @@ void VariableListView::removeAllItems()
     ValueManager::instance()->slotRemoveUserVariables();
 }
 
-FunctionListView::FunctionListView(TQWidget *tqparent, const char *name) :
-    ListView(tqparent, name)
+FunctionListView::FunctionListView(TQWidget *parent, const char *name) :
+    ListView(parent, name)
 {
     enablePopupHandler(true);
 }
diff --git a/src/abakuslistview.h b/src/abakuslistview.h
index 190c198..f631e51 100644
--- a/src/abakuslistview.h
+++ b/src/abakuslistview.h
@@ -31,7 +31,7 @@ class ListView : public KListView
   TQ_OBJECT
 
     public:
-    ListView(TQWidget *tqparent, const char *name = 0);
+    ListView(TQWidget *parent, const char *name = 0);
 
     protected:
     virtual TQDragObject *dragObject();
@@ -114,7 +114,7 @@ class VariableListView : public ListView
   TQ_OBJECT
     public:
 
-    VariableListView(TQWidget *tqparent, const char *name = 0);
+    VariableListView(TQWidget *parent, const char *name = 0);
 
     protected:
     virtual TQString removeItemString() const;
@@ -135,7 +135,7 @@ class FunctionListView : public ListView
   TQ_OBJECT
     public:
 
-    FunctionListView(TQWidget *tqparent, const char *name = 0);
+    FunctionListView(TQWidget *parent, const char *name = 0);
 
     protected:
     virtual TQString removeItemString() const;
diff --git a/src/editor.cpp b/src/editor.cpp
index caadb5e..f4a4276 100644
--- a/src/editor.cpp
+++ b/src/editor.cpp
@@ -53,8 +53,8 @@ using std::binary_search;
 class CalcResultLabel : public TQLabel
 {
 public:
-  CalcResultLabel(TQWidget *tqparent, const char *name, int WFlags) :
-    TQLabel(tqparent, name, WFlags)
+  CalcResultLabel(TQWidget *parent, const char *name, int WFlags) :
+    TQLabel(parent, name, WFlags)
   {
   }
 
@@ -204,8 +204,8 @@ int EditorHighlighter::highlightParagraph ( const TQString & text, int )
 
 
 
-Editor::Editor( TQWidget* tqparent, const char* name ):
-  TQTextEdit( tqparent, name )
+Editor::Editor( TQWidget* parent, const char* name ):
+  TQTextEdit( parent, name )
 {
   d = new Private;
   d->eval = 0;
diff --git a/src/editor.h b/src/editor.h
index 30fd43e..3f7035a 100644
--- a/src/editor.h
+++ b/src/editor.h
@@ -46,7 +46,7 @@ class Editor : public TQTextEdit
       Number, FunctionName, Variable, MatchedPar
     } ColorType;
   
-    Editor( TQWidget* tqparent = 0, const char* name = 0 );
+    Editor( TQWidget* parent = 0, const char* name = 0 );
     ~Editor();
 
     TQSize tqsizeHint() const;
diff --git a/src/function.cpp b/src/function.cpp
index 9cab08a..2de6c3e 100644
--- a/src/function.cpp
+++ b/src/function.cpp
@@ -70,8 +70,8 @@ FunctionManager *FunctionManager::instance()
     return m_manager;
 }
 
-FunctionManager::FunctionManager(TQObject *tqparent, const char *name) :
-    TQObject(tqparent, name)
+FunctionManager::FunctionManager(TQObject *parent, const char *name) :
+    TQObject(parent, name)
 {
     m_dict.setAutoDelete(true);
 }
diff --git a/src/function.h b/src/function.h
index 2bf7b2d..3210432 100644
--- a/src/function.h
+++ b/src/function.h
@@ -88,7 +88,7 @@ class FunctionManager : public TQObject
     void signalFunctionRemoved(const TQString &name);
 
     private:
-    FunctionManager(TQObject *tqparent = 0, const char *name = "function manager");
+    FunctionManager(TQObject *parent = 0, const char *name = "function manager");
 
     static FunctionManager *m_manager;
     functionDict m_dict;
diff --git a/src/resultlistview.cpp b/src/resultlistview.cpp
index 031f61c..7ad48c7 100644
--- a/src/resultlistview.cpp
+++ b/src/resultlistview.cpp
@@ -34,8 +34,8 @@
 using DragSupport::makePixmap;
 using namespace ResultList;
 
-ResultListView::ResultListView(TQWidget *tqparent, const char *name) :
-    KListView(tqparent, name), m_itemRightClicked(0)
+ResultListView::ResultListView(TQWidget *parent, const char *name) :
+    KListView(parent, name), m_itemRightClicked(0)
 {
     connect(this, TQT_SIGNAL(doubleClicked(TQListViewItem *, const TQPoint &, int)),
                   TQT_SLOT(slotDoubleClicked(TQListViewItem *, const TQPoint &, int)));
diff --git a/src/resultlistview.h b/src/resultlistview.h
index 3657b8b..9d26d77 100644
--- a/src/resultlistview.h
+++ b/src/resultlistview.h
@@ -37,7 +37,7 @@ class ResultListView : public KListView
   TQ_OBJECT
 
     public:
-    ResultListView(TQWidget *tqparent = 0, const char *name = "result list view");
+    ResultListView(TQWidget *parent = 0, const char *name = "result list view");
 
     bool getStackValue(unsigned stackPosition, Abakus::number_t &result);
 
diff --git a/src/valuemanager.cpp b/src/valuemanager.cpp
index 8dcae90..57b7cd9 100644
--- a/src/valuemanager.cpp
+++ b/src/valuemanager.cpp
@@ -34,8 +34,8 @@ ValueManager *ValueManager::instance()
     return m_manager;
 }
 
-ValueManager::ValueManager(TQObject *tqparent, const char *name) :
-    TQObject(tqparent, name)
+ValueManager::ValueManager(TQObject *parent, const char *name) :
+    TQObject(parent, name)
 {
     m_values.insert("pi", Abakus::number_t::PI);
     m_values.insert("e", Abakus::number_t::E);
diff --git a/src/valuemanager.h b/src/valuemanager.h
index 8233dc5..a61394a 100644
--- a/src/valuemanager.h
+++ b/src/valuemanager.h
@@ -59,7 +59,7 @@ class ValueManager : public TQObject
     void slotRemoveUserVariables();
 
     private:
-    ValueManager(TQObject *tqparent = 0, const char *name = "value manager");
+    ValueManager(TQObject *parent = 0, const char *name = "value manager");
 
     static ValueManager *m_manager;
     valueMap m_values;