diff --git a/include/haproxy/chunk.h b/include/haproxy/chunk.h
index 05fd161..b5d5151 100644
--- a/include/haproxy/chunk.h
+++ b/include/haproxy/chunk.h
@@ -203,14 +203,6 @@
 	return 1;
 }
 
-/* appends <nb> characters from str after <chk>.
- * Returns 0 in case of failure.
- */
-static inline int chunk_strncat(struct buffer *chk, const char *str, int nb)
-{
-	return chunk_memcat(chk, str, nb);
-}
-
 /* Adds a trailing zero to the current chunk and returns the pointer to the
  * following part. The purpose is to be able to use a chunk as a series of
  * short independent strings with chunk_* functions, which do not need to be
diff --git a/src/cache.c b/src/cache.c
index ee42947..9c108ae 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -779,8 +779,8 @@
 		if (value) {
 			struct buffer *chk = get_trash_chunk();
 
-			chunk_strncat(chk, value, ctx.value.len - 8 + 1);
-			chunk_strncat(chk, "", 1);
+			chunk_memcat(chk, value, ctx.value.len - 8 + 1);
+			chunk_memcat(chk, "", 1);
 			offset = (*chk->area == '"') ? 1 : 0;
 			smaxage = strtol(chk->area + offset, &endptr, 10);
 			if (unlikely(smaxage < 0 || endptr == chk->area))
@@ -791,8 +791,8 @@
 		if (value) {
 			struct buffer *chk = get_trash_chunk();
 
-			chunk_strncat(chk, value, ctx.value.len - 7 + 1);
-			chunk_strncat(chk, "", 1);
+			chunk_memcat(chk, value, ctx.value.len - 7 + 1);
+			chunk_memcat(chk, "", 1);
 			offset = (*chk->area == '"') ? 1 : 0;
 			maxage = strtol(chk->area + offset, &endptr, 10);
 			if (unlikely(maxage < 0 || endptr == chk->area))