diff --git a/gtk/inspector/general.c b/gtk/inspector/general.c
index e915907704..54002ea5fa 100644
--- a/gtk/inspector/general.c
+++ b/gtk/inspector/general.c
@@ -20,7 +20,10 @@
 
 #include "general.h"
 
+#include "gtkadjustment.h"
 #include "gtkdebug.h"
+#include "gtklabel.h"
+#include "gtkscale.h"
 #include "gtkswitch.h"
 #include "gtklistbox.h"
 #include "gtkprivate.h"
diff --git a/gtk/inspector/object-hierarchy.c b/gtk/inspector/object-hierarchy.c
index 47cfbc65e6..27071b4acb 100644
--- a/gtk/inspector/object-hierarchy.c
+++ b/gtk/inspector/object-hierarchy.c
@@ -25,8 +25,9 @@
 
 #include "object-hierarchy.h"
 
-#include "gtktreeview.h"
+#include "gtktreeselection.h"
 #include "gtktreestore.h"
+#include "gtktreeview.h"
 
 
 enum
diff --git a/gtk/inspector/resource-list.c b/gtk/inspector/resource-list.c
index 6693f1b3f4..8b9d76e3a6 100644
--- a/gtk/inspector/resource-list.c
+++ b/gtk/inspector/resource-list.c
@@ -20,6 +20,8 @@
 
 #include "resource-list.h"
 
+#include "gtklabel.h"
+#include "gtkstack.h"
 #include "gtktextbuffer.h"
 #include "gtktreestore.h"
 #include "gtktreeselection.h"
diff --git a/gtk/inspector/widget-tree.c b/gtk/inspector/widget-tree.c
index 83e20f2c81..275cc45e7e 100644
--- a/gtk/inspector/widget-tree.c
+++ b/gtk/inspector/widget-tree.c
@@ -39,6 +39,7 @@
 #include "gtkmenuitem.h"
 #include "gtksettings.h"
 #include "gtktextview.h"
+#include "gtktreeselection.h"
 #include "gtktreestore.h"
 #include "gtkwidgetprivate.h"
 
diff --git a/gtk/inspector/window.c b/gtk/inspector/window.c
index 8f99f1090f..ba110accd5 100644
--- a/gtk/inspector/window.c
+++ b/gtk/inspector/window.c
@@ -44,6 +44,8 @@
 #include "menu.h"
 #include "gestures.h"
 
+#include "gtknotebook.h"
+#include "gtkwindowgroup.h"
 
 G_DEFINE_TYPE (GtkInspectorWindow, gtk_inspector_window, GTK_TYPE_WINDOW)