diff --git a/src/libsodium/include/sodium/crypto_core_salsa208.h b/src/libsodium/include/sodium/crypto_core_salsa208.h
index 3c13efa4..876bda89 100644
--- a/src/libsodium/include/sodium/crypto_core_salsa208.h
+++ b/src/libsodium/include/sodium/crypto_core_salsa208.h
@@ -10,19 +10,23 @@ extern "C" {
 
 #define crypto_core_salsa208_OUTPUTBYTES 64U
 SODIUM_EXPORT
-size_t crypto_core_salsa208_outputbytes(void);
+size_t crypto_core_salsa208_outputbytes(void)
+            __attribute__ ((deprecated));
 
 #define crypto_core_salsa208_INPUTBYTES 16U
 SODIUM_EXPORT
-size_t crypto_core_salsa208_inputbytes(void);
+size_t crypto_core_salsa208_inputbytes(void)
+            __attribute__ ((deprecated));
 
 #define crypto_core_salsa208_KEYBYTES 32U
 SODIUM_EXPORT
-size_t crypto_core_salsa208_keybytes(void);
+size_t crypto_core_salsa208_keybytes(void)
+            __attribute__ ((deprecated));
 
 #define crypto_core_salsa208_CONSTBYTES 16U
 SODIUM_EXPORT
-size_t crypto_core_salsa208_constbytes(void);
+size_t crypto_core_salsa208_constbytes(void)
+            __attribute__ ((deprecated));
 
 SODIUM_EXPORT
 int crypto_core_salsa208(unsigned char *out, const unsigned char *in,
diff --git a/src/libsodium/include/sodium/crypto_stream_salsa208.h b/src/libsodium/include/sodium/crypto_stream_salsa208.h
index b7bc0d96..653f6504 100644
--- a/src/libsodium/include/sodium/crypto_stream_salsa208.h
+++ b/src/libsodium/include/sodium/crypto_stream_salsa208.h
@@ -21,27 +21,33 @@ extern "C" {
 
 #define crypto_stream_salsa208_KEYBYTES 32U
 SODIUM_EXPORT
-size_t crypto_stream_salsa208_keybytes(void);
+size_t crypto_stream_salsa208_keybytes(void)
+            __attribute__ ((deprecated));
 
 #define crypto_stream_salsa208_NONCEBYTES 8U
 SODIUM_EXPORT
-size_t crypto_stream_salsa208_noncebytes(void);
+size_t crypto_stream_salsa208_noncebytes(void)
+            __attribute__ ((deprecated));
 
 #define crypto_stream_salsa208_MESSAGEBYTES_MAX SODIUM_SIZE_MAX
-SODIUM_EXPORT
-size_t crypto_stream_salsa208_messagebytes_max(void);
+    SODIUM_EXPORT
+size_t crypto_stream_salsa208_messagebytes_max(void)
+            __attribute__ ((deprecated));
 
 SODIUM_EXPORT
 int crypto_stream_salsa208(unsigned char *c, unsigned long long clen,
-                           const unsigned char *n, const unsigned char *k);
+                           const unsigned char *n, const unsigned char *k)
+            __attribute__ ((deprecated));
 
 SODIUM_EXPORT
 int crypto_stream_salsa208_xor(unsigned char *c, const unsigned char *m,
                                unsigned long long mlen, const unsigned char *n,
-                               const unsigned char *k);
+                               const unsigned char *k)
+            __attribute__ ((deprecated));
 
 SODIUM_EXPORT
-void crypto_stream_salsa208_keygen(unsigned char k[crypto_stream_salsa208_KEYBYTES]);
+void crypto_stream_salsa208_keygen(unsigned char k[crypto_stream_salsa208_KEYBYTES])
+            __attribute__ ((deprecated));
 
 #ifdef __cplusplus
 }