diff --git a/agent/listeneradapter_p.h b/agent/listeneradapter_p.h
index ad2586776..e66ef3aaa 100644
--- a/agent/listeneradapter_p.h
+++ b/agent/listeneradapter_p.h
@@ -50,7 +50,7 @@ class Listener;
 
 class ListenerAdapter : public TQObject
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     static ListenerAdapter* instance();
diff --git a/agent/polkit-tqt-agent-listener.h b/agent/polkit-tqt-agent-listener.h
index e54212959..e7d6354c4 100644
--- a/agent/polkit-tqt-agent-listener.h
+++ b/agent/polkit-tqt-agent-listener.h
@@ -57,7 +57,7 @@ class ListenerPrivate;
  */
 class POLKIT_TQT_EXPORT Listener : public TQObject
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     /**
diff --git a/agent/polkit-tqt-agent-session.h b/agent/polkit-tqt-agent-session.h
index 72086efd0..379597905 100644
--- a/agent/polkit-tqt-agent-session.h
+++ b/agent/polkit-tqt-agent-session.h
@@ -84,7 +84,7 @@ class POLKIT_TQT_EXPORT AsyncResult
  */
 class POLKIT_TQT_EXPORT Session : public TQObject
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     /**
diff --git a/core/polkit-tqt-authority.h b/core/polkit-tqt-authority.h
index c3cd4c241..91aace5c9 100644
--- a/core/polkit-tqt-authority.h
+++ b/core/polkit-tqt-authority.h
@@ -66,7 +66,7 @@ namespace PolkitTQt
  */
 class POLKIT_TQT_EXPORT Authority : public TQObject
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     enum Result
diff --git a/examples/PkExampleHelper.h b/examples/PkExampleHelper.h
index 4f3bf4c6f..d0dcf3a13 100644
--- a/examples/PkExampleHelper.h
+++ b/examples/PkExampleHelper.h
@@ -30,7 +30,7 @@ class TQSessionManager;
 
 class PkExampleHelper : public TQApplication, public TQT_DBusObjectBase
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     PkExampleHelper(int argc, char **argv);
diff --git a/examples/agent/pkagentexample.h b/examples/agent/pkagentexample.h
index 8c97d2d9d..18a029e9f 100644
--- a/examples/agent/pkagentexample.h
+++ b/examples/agent/pkagentexample.h
@@ -32,7 +32,7 @@ class TQSessionManager;
 
 class PkAgentExample : public TQApplication
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     PkAgentExample(int argc, char **argv);
diff --git a/examples/agent/tqtlistener.h b/examples/agent/tqtlistener.h
index 4429b6c1a..3c757dea5 100644
--- a/examples/agent/tqtlistener.h
+++ b/examples/agent/tqtlistener.h
@@ -37,7 +37,7 @@ namespace Agent
 
 class TQtListener : public PolkitTQt::Agent::Listener
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     TQtListener(TQObject *parent = nullptr);
diff --git a/gui/polkit-tqt-gui-action.h b/gui/polkit-tqt-gui-action.h
index 23dfaee75..cdaa404f8 100644
--- a/gui/polkit-tqt-gui-action.h
+++ b/gui/polkit-tqt-gui-action.h
@@ -53,7 +53,7 @@ namespace Gui
  */
 class POLKIT_TQT_EXPORT Action : public TQAction
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     enum States
diff --git a/gui/polkit-tqt-gui-actionbutton.h b/gui/polkit-tqt-gui-actionbutton.h
index 4dcb28f85..0c6d257be 100644
--- a/gui/polkit-tqt-gui-actionbutton.h
+++ b/gui/polkit-tqt-gui-actionbutton.h
@@ -55,7 +55,7 @@ class ActionButtonPrivate;
  */
 class POLKIT_TQT_EXPORT ActionButton : public Action
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     /**
diff --git a/gui/polkit-tqt-gui-actionbuttons.h b/gui/polkit-tqt-gui-actionbuttons.h
index 43b80bb93..5dc401f77 100644
--- a/gui/polkit-tqt-gui-actionbuttons.h
+++ b/gui/polkit-tqt-gui-actionbuttons.h
@@ -46,7 +46,7 @@ class ActionButtonsPrivate;
  */
 class ActionButtons : public ActionButton
 {
-  Q_OBJECT
+  TQ_OBJECT
 
   public:
     /**