diff --git a/test/unit/lib/sock/sock.c/sock_ut.c b/test/unit/lib/sock/sock.c/sock_ut.c
index bbe4822d7..877dbaf4b 100644
--- a/test/unit/lib/sock/sock.c/sock_ut.c
+++ b/test/unit/lib/sock/sock.c/sock_ut.c
@@ -41,6 +41,8 @@
 #include "sock/sock.c"
 #include "sock/posix/posix.c"
 
+#include "spdk_internal/mock.h"
+
 #define UT_IP	"test_ip"
 #define UT_PORT	1234
 
@@ -67,6 +69,33 @@ struct spdk_ut_sock_group_impl {
 #define __ut_sock(sock) (struct spdk_ut_sock *)sock
 #define __ut_group(group) (struct spdk_ut_sock_group_impl *)group
 
+DEFINE_STUB(spdk_json_write_array_begin, int,
+	    (struct spdk_json_write_ctx *w), 0);
+
+DEFINE_STUB(spdk_json_write_object_begin, int,
+	    (struct spdk_json_write_ctx *w), 0);
+
+DEFINE_STUB(spdk_json_write_named_string, int,
+	    (struct spdk_json_write_ctx *w, const char *name,
+	     const char *val), 0);
+
+DEFINE_STUB(spdk_json_write_named_object_begin, int,
+	    (struct spdk_json_write_ctx *w, const char *name), 0);
+
+DEFINE_STUB(spdk_json_write_named_uint32, int,
+	    (struct spdk_json_write_ctx *w, const char *name, uint32_t val),
+	    0);
+
+DEFINE_STUB(spdk_json_write_named_bool, int,
+	    (struct spdk_json_write_ctx *w, const char *name, bool val),
+	    0);
+
+DEFINE_STUB(spdk_json_write_object_end, int,
+	    (struct spdk_json_write_ctx *w), 0);
+
+DEFINE_STUB(spdk_json_write_array_end, int,
+	    (struct spdk_json_write_ctx *w), 0);
+
 static int
 spdk_ut_sock_getaddr(struct spdk_sock *_sock, char *saddr, int slen, uint16_t *sport,
 		     char *caddr, int clen, uint16_t *cport)