diff --git a/3d-viewer/3d_cache/dialogs/dlg_select_3dmodel.cpp b/3d-viewer/3d_cache/dialogs/dlg_select_3dmodel.cpp
index aba261308b..8d4d2b31a4 100644
--- a/3d-viewer/3d_cache/dialogs/dlg_select_3dmodel.cpp
+++ b/3d-viewer/3d_cache/dialogs/dlg_select_3dmodel.cpp
@@ -140,8 +140,8 @@ DLG_SELECT_3DMODEL::DLG_SELECT_3DMODEL( wxWindow* aParent, S3D_CACHE* aCacheMana
     hboxDirChoice->Add( dirChoices, 1, wxEXPAND | wxALL, 5 );
     hboxDirChoice->Add( cfgPaths, 0, wxALL, 5 );
 
-    wxButton* btn_OK = new wxButton( this, wxID_OK, _T( "OK" ) );
-    wxButton* btn_Cancel = new wxButton( this, wxID_CANCEL, _T( "Cancel" ) );
+    wxButton* btn_OK = new wxButton( this, wxID_OK, _( "OK" ) );
+    wxButton* btn_Cancel = new wxButton( this, wxID_CANCEL, _( "Cancel" ) );
 
     wxStdDialogButtonSizer* hSizer1 = new wxStdDialogButtonSizer();
     hSizer1->AddButton( btn_OK );
diff --git a/common/dialog_about/aboutinfo.h b/common/dialog_about/aboutinfo.h
index 8e19c599ca..df38e7cc43 100644
--- a/common/dialog_about/aboutinfo.h
+++ b/common/dialog_about/aboutinfo.h
@@ -94,8 +94,8 @@ public:
 
 #if wxUSE_UNICODE
         const wxString utf8_copyrightSign = wxString::FromUTF8( "\xc2\xa9" );
-        copyrightText.Replace( _T( "(c)" ), utf8_copyrightSign );
-        copyrightText.Replace( _T( "(C)" ), utf8_copyrightSign );
+        copyrightText.Replace( "(c)", utf8_copyrightSign );
+        copyrightText.Replace( "(C)", utf8_copyrightSign );
 #endif // wxUSE_UNICODE
 
         return copyrightText;
diff --git a/pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp b/pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp
index 5c39ba98f0..e37f4ffb5b 100644
--- a/pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp
+++ b/pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp
@@ -498,7 +498,7 @@ void DIALOG_MODULE_BOARD_EDITOR::Edit3DShapeFileName()
     {
         wxString msg = _( "Invalid filename: " );
         msg.append( filename );
-        wxMessageBox( msg, _T( "Edit 3D file name" ) );
+        wxMessageBox( msg, _( "Edit 3D file name" ) );
 
         return;
     }
diff --git a/pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp b/pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp
index a79255d74b..547a846156 100644
--- a/pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp
+++ b/pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp
@@ -349,7 +349,7 @@ void DIALOG_MODULE_MODULE_EDITOR::Edit3DShapeFileName()
     {
         wxString msg = _( "Invalid filename: " );
         msg.append( filename );
-        wxMessageBox( msg, _T( "Edit 3D file name" ) );
+        wxMessageBox( msg, _( "Edit 3D file name" ) );
 
         return;
     }
diff --git a/scripting/python_scripting.cpp b/scripting/python_scripting.cpp
index f2b3d22de0..059ceef6b8 100644
--- a/scripting/python_scripting.cpp
+++ b/scripting/python_scripting.cpp
@@ -287,10 +287,10 @@ wxWindow* CreatePythonShellWindow( wxWindow* parent, const wxString& aFramenameI
     {
         // Otherwise, get the returned window out of Python-land and
         // into C++-ville...
-        bool success = wxPyConvertSwigPtr( result, (void**) &window, _T( "wxWindow" ) );
+        bool success = wxPyConvertSwigPtr( result, (void**) &window, "wxWindow" );
         (void) success;
 
-        wxASSERT_MSG( success, _T( "Returned object was not a wxWindow!" ) );
+        wxASSERT_MSG( success, "Returned object was not a wxWindow!" );
         Py_DECREF( result );
 
         window->SetName( aFramenameId );