diff --git a/src/socket.c b/src/socket.c
index 5221cd6..94d0e7f 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -39,7 +39,6 @@
 #ifdef HAVE_LIBSSL
 # include <openssl/ssl.h>
 # include <openssl/err.h>
-# include <openssl/hmac.h>
 # include <openssl/x509v3.h>
 #endif