diff --git a/src/ssl.c b/src/ssl.c
index fbd0c47e4..e537bd88d 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -28751,7 +28751,7 @@ void wolfSSL_AES_cfb128_encrypt(const unsigned char *in, unsigned char* out,
     #endif
 #endif
 
-#ifndef NO_FILESYSTEM
+#if !defined(NO_FILESYSTEM) && defined (OPENSSL_EXTRA)
 /* returns amount printed on success, negative in fail case */
 int wolfSSL_BIO_vprintf(WOLFSSL_BIO* bio, const char* format, va_list args)
 {
@@ -28818,7 +28818,7 @@ int wolfSSL_BIO_printf(WOLFSSL_BIO* bio, const char* format, ...)
     return ret;
 }
 
-#endif
+#endif /* !defined(NO_FILESYSTEM) && defined (OPENSSL_EXTRA) */
 
 #if !defined(NO_FILESYSTEM) && defined(__clang__)
 #pragma clang diagnostic pop
diff --git a/wolfcrypt/src/aes.c b/wolfcrypt/src/aes.c
index 0f7bcaa37..b90f9ae30 100644
--- a/wolfcrypt/src/aes.c
+++ b/wolfcrypt/src/aes.c
@@ -7267,7 +7267,7 @@ int wc_AesEcbDecrypt(Aes* aes, byte* out, const byte* in, word32 sz)
  *     buffer)
  * in  buffer to encrypt
  * sz  size of input buffer
- * pre flag to xor after or before feedback. If 1 then add feedback before xor
+ * mode flag to specify AES mode
  *
  * returns 0 on success and negative error values on failure
  */
diff --git a/wolfssl/ssl.h b/wolfssl/ssl.h
index cfa4c1195..867ca7815 100644
--- a/wolfssl/ssl.h
+++ b/wolfssl/ssl.h
@@ -2009,7 +2009,7 @@ WOLFSSL_API int wolfSSL_want(WOLFSSL*);
 WOLFSSL_API int wolfSSL_want_read(WOLFSSL*);
 WOLFSSL_API int wolfSSL_want_write(WOLFSSL*);
 
-#ifndef NO_FILESYSTEM
+#if !defined(NO_FILESYSTEM) && defined (OPENSSL_EXTRA)
 #include <stdarg.h> /* var_arg */
 WOLFSSL_API int wolfSSL_BIO_vprintf(WOLFSSL_BIO* bio, const char* format,
                                                             va_list args);