diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index ca6579fb1f5..db591043b0c 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -52,15 +52,63 @@
 #include "commctrl.h"
 #include "comctl32.h"
 #include "commoncontrols.h"
-#include "imagelist.h"
 #include "wine/debug.h"
 #include "wine/exception.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
 
-
 #define MAX_OVERLAYIMAGE 15
 
+struct _IMAGELIST
+{
+    const struct IImageListVtbl *lpVtbl; /* 00: IImageList vtable */
+
+    INT         cCurImage;                 /* 04: ImageCount */
+    INT         cMaxImage;                 /* 08: maximages */
+    INT         cGrow;                     /* 0C: cGrow */
+    INT         cx;                        /* 10: cx */
+    INT         cy;                        /* 14: cy */
+    DWORD       x4;
+    UINT        flags;                     /* 1C: flags */
+    COLORREF    clrFg;                     /* 20: foreground color */
+    COLORREF    clrBk;                     /* 24: background color */
+
+
+    HBITMAP     hbmImage;                  /* 28: images Bitmap */
+    HBITMAP     hbmMask;                   /* 2C: masks  Bitmap */
+    HDC         hdcImage;                  /* 30: images MemDC  */
+    HDC         hdcMask;                   /* 34: masks  MemDC  */
+    INT         nOvlIdx[MAX_OVERLAYIMAGE]; /* 38: overlay images index */
+
+    /* not yet found out */
+    HBRUSH  hbrBlend25;
+    HBRUSH  hbrBlend50;
+    INT     cInitial;
+    UINT    uBitsPixel;
+    char   *has_alpha;
+
+    LONG        ref;                       /* reference count */
+};
+
+#define IMAGELIST_MAGIC 0x53414D58
+
+/* Header used by ImageList_Read() and ImageList_Write() */
+#include "pshpack2.h"
+typedef struct _ILHEAD
+{
+    USHORT	usMagic;
+    USHORT	usVersion;
+    WORD	cCurImage;
+    WORD	cMaxImage;
+    WORD	cGrow;
+    WORD	cx;
+    WORD	cy;
+    COLORREF	bkcolor;
+    WORD	flags;
+    SHORT	ovls[4];
+} ILHEAD;
+#include "poppack.h"
+
 /* internal image list data used for Drag & Drop operations */
 typedef struct
 {
diff --git a/dlls/comctl32/imagelist.h b/dlls/comctl32/imagelist.h
deleted file mode 100644
index f6f1d1b9e71..00000000000
--- a/dlls/comctl32/imagelist.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * ImageList definitions
- *
- * Copyright 1998 Eric Kohl
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#ifndef __WINE_IMAGELIST_H
-#define __WINE_IMAGELIST_H
-
-#include <stdarg.h>
-
-#include "windef.h"
-#include "winbase.h"
-#include "wingdi.h"
-
-struct _IMAGELIST
-{
-    const struct IImageListVtbl *lpVtbl; /* 00: IImageList vtable */
-
-    INT         cCurImage;               /* 04: ImageCount */
-    INT         cMaxImage;               /* 08: maximages */
-    INT         cGrow;                   /* 0C: cGrow */
-    INT         cx;                      /* 10: cx */
-    INT         cy;                      /* 14: cy */
-    DWORD       x4;
-    UINT        flags;                   /* 1C: flags */
-    COLORREF    clrFg;                   /* 20: foreground color */
-    COLORREF    clrBk;                   /* 24: background color */
-
-
-    HBITMAP     hbmImage;                /* 28: images Bitmap */
-    HBITMAP     hbmMask;                 /* 2C: masks  Bitmap */
-    HDC         hdcImage;                /* 30: images MemDC  */
-    HDC         hdcMask;                 /* 34: masks  MemDC  */
-    INT         nOvlIdx[15];             /* 38: overlay images index */
-
-    /* not yet found out */
-    HBRUSH  hbrBlend25;
-    HBRUSH  hbrBlend50;
-    INT     cInitial;
-    UINT    uBitsPixel;
-    char   *has_alpha;
-
-    LONG        ref;                     /* reference count */
-};
-
-#define IMAGELIST_MAGIC 0x53414D58
-
-/* Header used by ImageList_Read() and ImageList_Write() */
-#include "pshpack2.h"
-typedef struct _ILHEAD
-{
-    USHORT	usMagic;
-    USHORT	usVersion;
-    WORD	cCurImage;
-    WORD	cMaxImage;
-    WORD	cGrow;
-    WORD	cx;
-    WORD	cy;
-    COLORREF	bkcolor;
-    WORD	flags;
-    SHORT	ovls[4];
-} ILHEAD;
-#include "poppack.h"
-
-#endif  /* __WINE_IMAGELIST_H */