diff --git a/gtk2_ardour/editor_snapshots.cc b/gtk2_ardour/editor_snapshots.cc
index b5224e97b2..f9c034f32e 100644
--- a/gtk2_ardour/editor_snapshots.cc
+++ b/gtk2_ardour/editor_snapshots.cc
@@ -25,7 +25,6 @@
 #include "pbd/gstdio_compat.h"
 
 #include <glibmm.h>
-#include <glibmm/datetime.h>
 
 #include <gtkmm/liststore.h>
 
diff --git a/gtk2_ardour/session_dialog.cc b/gtk2_ardour/session_dialog.cc
index d786182e17..66a73c64e1 100644
--- a/gtk2_ardour/session_dialog.cc
+++ b/gtk2_ardour/session_dialog.cc
@@ -29,9 +29,7 @@
 
 #include <glib.h>
 #include "pbd/gstdio_compat.h"
-
 #include <glibmm.h>
-#include <glibmm/datetime.h>
 
 #include <gtkmm/filechooser.h>
 #include <gtkmm/stock.h>
diff --git a/gtk2_ardour/sfdb_ui.cc b/gtk2_ardour/sfdb_ui.cc
index 940e7dd035..2f3d899aef 100644
--- a/gtk2_ardour/sfdb_ui.cc
+++ b/gtk2_ardour/sfdb_ui.cc
@@ -41,13 +41,14 @@
 #include <unistd.h>
 #include <limits.h>
 
+#include <glib.h>
+#include "pbd/gstdio_compat.h"
+#include <glibmm/fileutils.h>
+
 #include <gtkmm/box.h>
 #include <gtkmm/scrolledwindow.h>
 #include <gtkmm/stock.h>
 
-#include "pbd/gstdio_compat.h"
-#include <glibmm/fileutils.h>
-
 #include "pbd/tokenizer.h"
 #include "pbd/enumwriter.h"
 #include "pbd/file_utils.h"