The ones in xg_dom_decompress_unsafe.h suffice.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Wei Liu <wl@xen.org>
---
v2: New.

--- a/tools/libs/guest/xg_dom_bzimageloader.c
+++ b/tools/libs/guest/xg_dom_bzimageloader.c
@@ -673,13 +673,6 @@ static int xc_try_zstd_decode(
 
 #endif
 
-#else /* __MINIOS__ */
-
-int xc_try_bzip2_decode(struct xc_dom_image *dom, void **blob, size_t *size);
-int xc_try_lzma_decode(struct xc_dom_image *dom, void **blob, size_t *size);
-int xc_try_lzo1x_decode(struct xc_dom_image *dom, void **blob, size_t *size);
-int xc_try_xz_decode(struct xc_dom_image *dom, void **blob, size_t *size);
-
 #endif /* !__MINIOS__ */
 
 struct setup_header {