diff --git a/README.md b/README.md
index 6a5b2b4..bec67d3 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,5 @@ make install
 #include <simplecrypto.h>
 ```
 2. Call functions.
-```c
-uint8_t* md5(const uint8_t *data, size_t data_len, uint8_t digest[16]);
 
-int64_t tea_encrypt_qq(const TEA t[4], const TEADAT* src, TEADAT* out);
-int64_t tea_encrypt(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
-int64_t tea_encrypt_native_endian(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
-int64_t tea_decrypt_qq(const TEA t[4], const TEADAT* src, TEADAT* out);
-int64_t tea_decrypt(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
-int64_t tea_decrypt_native_endian(const TEA t[4], const uint32_t sumtable[0x10], const TEADAT* src, TEADAT* out);
-```
\ No newline at end of file
+> see all functions in simplecrypto.h