diff --git a/include/haproxy/log.h b/include/haproxy/log.h
index fa85cb310..8d3f72dc9 100644
--- a/include/haproxy/log.h
+++ b/include/haproxy/log.h
@@ -147,27 +147,6 @@ int get_log_level(const char *lev);
  */
 int get_log_facility(const char *fac);
 
-/*
- * Write a string in the log string
- * Take cares of quote options
- *
- * Return the address of the \0 character, or NULL on error
- */
-char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node);
-
-/*
- * Write a IP address to the log string
- * +X option write in hexadecimal notation, most significant byte on the left
- */
-char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node);
-
-/*
- * Write a port to the log
- * +X option write in hexadecimal notation, most significant byte on the left
- */
-char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node);
-
-
 /*
  * Function to handle log header building (exported for sinks)
  */
diff --git a/src/log.c b/src/log.c
index a521e0a08..f83c38ba2 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1905,7 +1905,7 @@ static inline char *_lf_quotetext_len(char *dst, const char *src,
  *
  * Return the address of the \0 character, or NULL on error
  */
-char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
+static char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
 {
 	if ((node->options & LOG_OPT_QUOTE))
 		return _lf_quotetext_len(dst, src, len, size, node);
@@ -1927,7 +1927,7 @@ char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const str
  * Same as lf_text_len() except that it ignores mandatory and quoting options.
  * Quoting is only performed when strictly required by the encoding method.
  */
-char *lf_rawtext_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
+static char *lf_rawtext_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
 {
 	return _lf_text_len(dst, src, len, size, node);
 }
@@ -1948,7 +1948,7 @@ static inline char *lf_rawtext(char *dst, const char *src, size_t size, const st
  * Write a IP address to the log string
  * +X option write in hexadecimal notation, most significant byte on the left
  */
-char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
+static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
 {
 	char *ret = dst;
 	int iret;
@@ -2033,7 +2033,7 @@ static inline char *lf_int(char *dst, size_t size, int64_t value,
  * Write a port to the log
  * +X option write in hexadecimal notation, most significant byte on the left
  */
-char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
+static char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
 {
 	char *ret = dst;
 	int iret;