diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9c6cf686cb3..cc248f07c06 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-25  Tom Tromey  <tom@tromey.com>
+
+	* tui/tui.h (enum tui_win_type) <MAX_WINDOWS, UNDEFINED_WIN>:
+	Remove.
+
 2019-06-25  Tom Tromey  <tom@tromey.com>
 
 	* tui/tui-data.h (struct tui_command_element): Remove.
diff --git a/gdb/tui/tui.h b/gdb/tui/tui.h
index 8f6ef64f496..b3321de9fdc 100644
--- a/gdb/tui/tui.h
+++ b/gdb/tui/tui.h
@@ -45,10 +45,7 @@ enum tui_win_type
   /* Auxillary windows.  */
   LOCATOR_WIN,
   EXEC_INFO_WIN,
-  DATA_ITEM_WIN,
-  /* This must ALWAYS be next to last.  */
-  MAX_WINDOWS,
-  UNDEFINED_WIN		/* LAST */
+  DATA_ITEM_WIN
 };
 
 /* GENERAL TUI FUNCTIONS */