diff --git a/include/haproxy/chunk.h b/include/haproxy/chunk.h
index b5052d135..af9ef816b 100644
--- a/include/haproxy/chunk.h
+++ b/include/haproxy/chunk.h
@@ -283,7 +283,7 @@ static inline char *chunk_dup(struct buffer *dst, const struct buffer *src)
 	if (dst->size < src->size || !src->size)
 		dst->size++;
 
-	dst->area = (char *)malloc(dst->size);
+	dst->area = malloc(dst->size);
 	if (!dst->area) {
 		dst->head = 0;
 		dst->data = 0;
diff --git a/include/haproxy/listener.h b/include/haproxy/listener.h
index e4cea50fc..17fe9e090 100644
--- a/include/haproxy/listener.h
+++ b/include/haproxy/listener.h
@@ -179,7 +179,7 @@ unsigned int bind_map_thread_id(const struct bind_conf *conf, unsigned int r);
 static inline struct bind_conf *bind_conf_alloc(struct proxy *fe, const char *file,
                                  int line, const char *arg, struct xprt_ops *xprt)
 {
-	struct bind_conf *bind_conf = (void *)calloc(1, sizeof(struct bind_conf));
+	struct bind_conf *bind_conf = calloc(1, sizeof(struct bind_conf));
 
 	bind_conf->file = strdup(file);
 	bind_conf->line = line;
diff --git a/src/ev_select.c b/src/ev_select.c
index 1e9c48cf5..ab5da35b7 100644
--- a/src/ev_select.c
+++ b/src/ev_select.c
@@ -226,10 +226,10 @@ static int init_select_per_thread()
 	int fd_set_bytes;
 
 	fd_set_bytes = sizeof(fd_set) * (global.maxsock + FD_SETSIZE - 1) / FD_SETSIZE;
-	tmp_evts[DIR_RD] = (fd_set *)calloc(1, fd_set_bytes);
+	tmp_evts[DIR_RD] = calloc(1, fd_set_bytes);
 	if (tmp_evts[DIR_RD] == NULL)
 		goto fail;
-	tmp_evts[DIR_WR] = (fd_set *)calloc(1, fd_set_bytes);
+	tmp_evts[DIR_WR] = calloc(1, fd_set_bytes);
 	if (tmp_evts[DIR_WR] == NULL)
 		goto fail;
 	return 1;
diff --git a/src/http_htx.c b/src/http_htx.c
index a7951c01d..53732d146 100644
--- a/src/http_htx.c
+++ b/src/http_htx.c
@@ -909,7 +909,7 @@ int http_str_to_htx(struct buffer *buf, struct ist raw, char **errmsg)
 	}
 
 	buf->size = global.tune.bufsize;
-	buf->area = (char *)malloc(buf->size);
+	buf->area = malloc(buf->size);
 	if (!buf->area)
 		goto error;