diff --git a/src/libsodium/include/sodium/crypto_stream_salsa20.h b/src/libsodium/include/sodium/crypto_stream_salsa20.h
deleted file mode 100644
index f3e1091a..00000000
--- a/src/libsodium/include/sodium/crypto_stream_salsa20.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef crypto_stream_salsa20_H
-#define crypto_stream_salsa20_H
-
-/*
- *  WARNING: This is just a stream cipher. It is NOT authenticated encryption.
- *  While it provides some protection against eavesdropping, it does NOT
- *  provide any security against active attacks.
- *  Unless you know what you're doing, what you are looking for is probably
- *  the crypto_box functions.
- */
-
-#if 1
-# ifndef SODIUM_HAVE_AMD64_ASM
-#  define SODIUM_HAVE_AMD64_ASM
-# endif
-#endif
-
-#include "export.h"
-
-#define crypto_stream_salsa20_KEYBYTES 32U
-#define crypto_stream_salsa20_NONCEBYTES 8U
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-SODIUM_EXPORT
-int crypto_stream_salsa20(unsigned char *,unsigned long long,const unsigned char *,const unsigned char *);
-
-SODIUM_EXPORT
-int crypto_stream_salsa20_xor(unsigned char *,const unsigned char *,unsigned long long,const unsigned char *,const unsigned char *);
-
-#ifdef SODIUM_HAVE_AMD64_ASM
-# define crypto_stream_salsa20_amd64_xmm6 crypto_stream_salsa20
-# define crypto_stream_salsa20_amd64_xmm6_xor crypto_stream_salsa20_xor
-#else
-# define crypto_stream_salsa20_ref crypto_stream_salsa20
-# define crypto_stream_salsa20_ref_xor crypto_stream_salsa20_xor
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif