diff --git a/libnfc/mirror-subr.h b/libnfc/mirror-subr.h
index 2f53bc9..4410bde 100644
--- a/libnfc/mirror-subr.h
+++ b/libnfc/mirror-subr.h
@@ -39,6 +39,5 @@
 uint8_t  mirror(uint8_t bt);
 uint32_t mirror32(uint32_t ui32Bits);
 uint64_t mirror64(uint64_t ui64Bits);
-void    mirror_uint8_ts(uint8_t *pbts, size_t szLen);
 
 #endif // _LIBNFC_MIRROR_SUBR_H_