diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ae1577259a..5f413c987d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2019-07-17  Tom Tromey  <tom@tromey.com>
+
+	* tui/tui-regs.h (struct tui_data_item_window): Move from
+	tui-data.h.
+	* tui/tui-regs.c (tui_data_item_window): Move from tui-data.c.
+	* tui/tui-data.h (struct tui_data_item_window): Move to
+	tui-regs.h.
+	* tui/tui-data.c (~tui_data_item_window): Move to tui-regs.c.
+
 2019-07-17  Tom Tromey  <tom@tromey.com>
 
 	* tui/tui.c: Update.
diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c
index 5e75516882..8977e8fd59 100644
--- a/gdb/tui/tui-data.c
+++ b/gdb/tui/tui-data.c
@@ -333,14 +333,3 @@ tui_source_window_base::~tui_source_window_base ()
   xfree (fullname);
   delete execution_info;
 }  
-
-/**********************************
-** LOCAL STATIC FUNCTIONS        **
-**********************************/
-
-
-tui_data_item_window::~tui_data_item_window ()
-{
-  xfree (value);
-  xfree (content);
-}
diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h
index a847f2ada9..e66adc1f29 100644
--- a/gdb/tui/tui-data.h
+++ b/gdb/tui/tui-data.h
@@ -249,25 +249,6 @@ struct tui_locator_window : public tui_gen_win_info
   struct gdbarch *gdbarch = nullptr;
 };
 
-/* A data item window.  */
-
-struct tui_data_item_window : public tui_gen_win_info
-{
-  tui_data_item_window ()
-    : tui_gen_win_info (DATA_ITEM_WIN)
-  {
-  }
-
-  ~tui_data_item_window () override;
-
-  const char *name = nullptr;
-  /* The register number, or data display number.  */
-  int item_no = -1;
-  void *value = nullptr;
-  bool highlight = false;
-  char *content = nullptr;
-};
-
 /* This defines information about each logical window.  */
 struct tui_win_info : public tui_gen_win_info
 {
diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
index 2470478ce8..c13a5b1587 100644
--- a/gdb/tui/tui-regs.c
+++ b/gdb/tui/tui-regs.c
@@ -53,6 +53,15 @@ static void tui_get_register (struct frame_info *frame,
 			      struct tui_data_item_window *data,
 			      int regnum, bool *changedp);
 
+
+/* See tui-regs.h.  */
+
+tui_data_item_window::~tui_data_item_window ()
+{
+  xfree (value);
+  xfree (content);
+}
+
 /* See tui-regs.h.  */
 
 int
diff --git a/gdb/tui/tui-regs.h b/gdb/tui/tui-regs.h
index acefa41f99..0646729917 100644
--- a/gdb/tui/tui-regs.h
+++ b/gdb/tui/tui-regs.h
@@ -24,6 +24,25 @@
 
 #include "tui/tui-data.h"
 
+/* A data item window.  */
+
+struct tui_data_item_window : public tui_gen_win_info
+{
+  tui_data_item_window ()
+    : tui_gen_win_info (DATA_ITEM_WIN)
+  {
+  }
+
+  ~tui_data_item_window () override;
+
+  const char *name = nullptr;
+  /* The register number, or data display number.  */
+  int item_no = -1;
+  void *value = nullptr;
+  bool highlight = false;
+  char *content = nullptr;
+};
+
 /* The TUI registers window.  */
 struct tui_data_window : public tui_win_info
 {