diff --git a/interface/wx/base64.h b/interface/wx/base64.h
index 40ab606776..dc5abe4402 100644
--- a/interface/wx/base64.h
+++ b/interface/wx/base64.h
@@ -57,10 +57,6 @@ size_t wxBase64Encode(char* dst, size_t dstLen,
 
     There is no error return.
 
-    To allocate the buffer of the correct size, use wxBase64EncodedSize() or
-    call this function with @a dst set to @NULL -- it will then return the
-    necessary buffer size.
-
     @param src
         The input buffer, must not be @NULL.
     @param srcLen