diff --git a/src/ssl.c b/src/ssl.c
index b6d585ba7..b67dd2445 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -42003,8 +42003,7 @@ void* wolfSSL_GetDhAgreeCtx(WOLFSSL* ssl)
 
 #if defined(HAVE_PK_CALLBACKS) && defined(HAVE_HKDF)
 
-WOLFSSL_ABI
-void  wolfSSL_CTX_SetHKDFExtractCb(WOLFSSL_CTX* ctx, CallbackHKDFExtract cb)
+void wolfSSL_CTX_SetHKDFExtractCb(WOLFSSL_CTX* ctx, CallbackHKDFExtract cb)
 {
     if (ctx)
         ctx->HkdfExtractCb = cb;
diff --git a/src/tls13.c b/src/tls13.c
index 116ffe53a..e43fc4585 100644
--- a/src/tls13.c
+++ b/src/tls13.c
@@ -851,7 +851,7 @@ static int DeriveTrafficSecret(WOLFSSL* ssl, byte* secret)
 }
 
 
-static inline int Tls13_HKDF_Extract(WOLFSSL *ssl, byte* prk, const byte* salt, int saltLen,
+static int Tls13_HKDF_Extract(WOLFSSL *ssl, byte* prk, const byte* salt, int saltLen,
                                  byte* ikm, int ikmLen, int digest)
 {
     int ret;
diff --git a/wolfssl/ssl.h b/wolfssl/ssl.h
index 49c76f50b..db43d6bb4 100644
--- a/wolfssl/ssl.h
+++ b/wolfssl/ssl.h
@@ -3046,9 +3046,9 @@ WOLFSSL_API void* wolfSSL_GetEccSharedSecretCtx(WOLFSSL* ssl);
 #include <wolfssl/wolfcrypt/kdf.h>
 typedef int (*CallbackHKDFExtract)(byte* prk, const byte* salt, word32 saltLen,
        byte* ikm, word32 ikmLen, int digest, void* ctx);
-WOLFSSL_ABI WOLFSSL_API void  wolfSSL_CTX_SetHKDFExtractCb(WOLFSSL_CTX*, CallbackHKDFExtract);
+WOLFSSL_API void  wolfSSL_CTX_SetHKDFExtractCb(WOLFSSL_CTX*, CallbackHKDFExtract);
 WOLFSSL_API void* wolfSSL_GetHKDFExtractCtx(WOLFSSL* ssl);
-WOLFSSL_API void wolfSSL_SetHKDFExtractCtx(WOLFSSL* ssl, void *ctx);
+WOLFSSL_API void  wolfSSL_SetHKDFExtractCtx(WOLFSSL* ssl, void *ctx);
 #endif
 
 #ifndef NO_DH