diff --git a/external/libb64-1.2.1/include/b64/cencode.h b/external/libb64-1.2.1/include/b64/cencode.h
index 88414be..0654cc8 100644
--- a/external/libb64-1.2.1/include/b64/cencode.h
+++ b/external/libb64-1.2.1/include/b64/cencode.h
@@ -28,7 +28,6 @@ typedef struct
 
 void base64_init_encodestate(base64_encodestate* state_in);
 
-char base64_encode_value(char value_in);
 
 int base64_encode_block(const char* plaintext_in, int length_in, char* code_out, base64_encodestate* state_in);