diff --git a/headers/os/support/UTF8.h b/headers/os/support/UTF8.h
index 8ff4a07a31..8efe5e7656 100644
--- a/headers/os/support/UTF8.h
+++ b/headers/os/support/UTF8.h
@@ -64,15 +64,6 @@ _IMPEXP_TEXTENCODING status_t convert_from_utf8(uint32		dstEncoding,
 												int32		*state,
 												char		substitute = B_SUBSTITUTE);
 
-/*-------------------------------------------------------------*/
-/*------- Utility Functions -----------------------------------*/
-
-// Suggested by BGA
-inline uint32 utf8_char_len(uchar c)
-{
-	return (((0xE5000000 >> (((c) >> 3) & 0x1E)) & 3) + 1);
-}
-
 /*-------------------------------------------------------------*/
 /*-------------------------------------------------------------*/