diff --git a/include/wx/android/setup.h b/include/wx/android/setup.h
index 50066bd1e8..cffe98d8f8 100644
--- a/include/wx/android/setup.h
+++ b/include/wx/android/setup.h
@@ -454,14 +454,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/gtk/setup0.h b/include/wx/gtk/setup0.h
index d79a5f83f5..1ee8f50321 100644
--- a/include/wx/gtk/setup0.h
+++ b/include/wx/gtk/setup0.h
@@ -455,14 +455,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/motif/setup0.h b/include/wx/motif/setup0.h
index 8663b44ef0..1765e59413 100644
--- a/include/wx/motif/setup0.h
+++ b/include/wx/motif/setup0.h
@@ -455,14 +455,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/msw/setup0.h b/include/wx/msw/setup0.h
index 890cce534e..4e52291982 100644
--- a/include/wx/msw/setup0.h
+++ b/include/wx/msw/setup0.h
@@ -455,14 +455,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/msw/wince/setup.h b/include/wx/msw/wince/setup.h
index 3466e299c2..494f1b5bb4 100644
--- a/include/wx/msw/wince/setup.h
+++ b/include/wx/msw/wince/setup.h
@@ -455,14 +455,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/osx/setup0.h b/include/wx/osx/setup0.h
index 8c8486ee43..adbd454d3f 100644
--- a/include/wx/osx/setup0.h
+++ b/include/wx/osx/setup0.h
@@ -456,14 +456,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/setup_inc.h b/include/wx/setup_inc.h
index 5056f57992..20d4c3ca38 100644
--- a/include/wx/setup_inc.h
+++ b/include/wx/setup_inc.h
@@ -451,14 +451,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //
diff --git a/include/wx/univ/setup0.h b/include/wx/univ/setup0.h
index 1c3d976fa1..aafd15ea1a 100644
--- a/include/wx/univ/setup0.h
+++ b/include/wx/univ/setup0.h
@@ -454,14 +454,7 @@
 #define wxUSE_XLOCALE       1
 
 // Set wxUSE_DATETIME to 1 to compile the wxDateTime and related classes which
-// allow to manipulate dates, times and time intervals. wxDateTime replaces the
-// old wxTime and wxDate classes which are still provided for backwards
-// compatibility (and implemented in terms of wxDateTime).
-//
-// Note that this class is relatively new and is still officially in alpha
-// stage because some features are not yet (fully) implemented. It is already
-// quite useful though and should only be disabled if you are aiming at
-// absolutely minimal version of the library.
+// allow to manipulate dates, times and time intervals.
 //
 // Requires: wxUSE_LONGLONG
 //