diff --git a/src/pipewire/conf.c b/src/pipewire/conf.c
index 50bb65980..70ebbd5d9 100644
--- a/src/pipewire/conf.c
+++ b/src/pipewire/conf.c
@@ -117,7 +117,7 @@ static int get_read_path(char *path, size_t size, const char *prefix, const char
 
 static int ensure_path(char *path, int size, const char *paths[])
 {
-	int i, len, res, mode;
+	int i, len, mode;
 	char *p = path;
 
 	for (i = 0; paths[i] != NULL; i++) {
@@ -134,14 +134,14 @@ static int ensure_path(char *path, int size, const char *paths[])
 		if (paths[i+1] == NULL)
 			mode |= R_OK | W_OK;
 
-		if ((res = access(path, mode)) < 0) {
+		if (access(path, mode) < 0) {
 			if (errno != ENOENT)
 				return -errno;
-			if ((res = mkdir(path, 0700)) < 0) {
+			if (mkdir(path, 0700) < 0) {
 				pw_log_info("Can't create directory %s: %m", path);
                                 return -errno;
 			}
-			if ((res = access(path, mode)) < 0)
+			if (access(path, mode) < 0)
 				return -errno;
 
 			pw_log_info("created directory %s", path);
diff --git a/src/pipewire/filter.c b/src/pipewire/filter.c
index 9560ceb34..4137a9337 100644
--- a/src/pipewire/filter.c
+++ b/src/pipewire/filter.c
@@ -282,7 +282,7 @@ static struct port *alloc_port(struct filter *filter,
 	int i;
 
 	for (i = 0; i < MAX_PORTS; i++) {
-		if ((p = filter->ports[direction][i]) == NULL)
+		if ((filter->ports[direction][i]) == NULL)
 			break;
 	}
 	if (i == MAX_PORTS)
@@ -327,11 +327,10 @@ static inline int push_queue(struct port *port, struct queue *queue, struct buff
 
 static inline struct buffer *pop_queue(struct port *port, struct queue *queue)
 {
-	int32_t avail;
 	uint32_t index, id;
 	struct buffer *buffer;
 
-	if ((avail = spa_ringbuffer_get_read_index(&queue->ring, &index)) < 1) {
+	if (spa_ringbuffer_get_read_index(&queue->ring, &index) < 1) {
 		errno = EPIPE;
 		return NULL;
 	}
@@ -1436,7 +1435,6 @@ void *pw_filter_add_port(struct pw_filter *filter,
 	struct filter *impl = SPA_CONTAINER_OF(filter, struct filter, this);
 	struct port *p;
 	const char *str;
-	int res;
 
 	if (props == NULL)
 		props = pw_properties_new(NULL, NULL);
@@ -1461,7 +1459,7 @@ void *pw_filter_add_port(struct pw_filter *filter,
 			add_control_dsp_port_params(impl, p);
 	}
 	/* then override with user provided if any */
-	if ((res = update_params(impl, p, SPA_ID_INVALID, params, n_params)) < 0)
+	if (update_params(impl, p, SPA_ID_INVALID, params, n_params) < 0)
 		goto error_free;
 
 	p->change_mask_all = SPA_PORT_CHANGE_MASK_FLAGS |
diff --git a/src/pipewire/impl-port.c b/src/pipewire/impl-port.c
index 7b91da4bc..66763f6a0 100644
--- a/src/pipewire/impl-port.c
+++ b/src/pipewire/impl-port.c
@@ -922,7 +922,7 @@ int pw_impl_port_add(struct pw_impl_port *port, struct pw_impl_node *node)
 	}
 	pw_properties_set(port->properties, PW_KEY_PORT_DIRECTION, dir);
 
-	if ((str = pw_properties_get(port->properties, PW_KEY_PORT_NAME)) == NULL) {
+	if (pw_properties_get(port->properties, PW_KEY_PORT_NAME) == NULL) {
 		if ((str = pw_properties_get(port->properties, PW_KEY_AUDIO_CHANNEL)) != NULL &&
 		    !spa_streq(str, "UNK")) {
 			pw_properties_setf(port->properties, PW_KEY_PORT_NAME, "%s_%s", dir, str);
diff --git a/src/pipewire/pipewire.c b/src/pipewire/pipewire.c
index b17c88245..15ce5fd6e 100644
--- a/src/pipewire/pipewire.c
+++ b/src/pipewire/pipewire.c
@@ -612,8 +612,7 @@ const char *pw_get_prgname(void)
 	spa_memzero(prgname, sizeof(prgname));
 #if defined(__linux__) || defined(__FreeBSD_kernel__)
 	{
-		ssize_t len;
-		if ((len = readlink("/proc/self/exe", prgname, sizeof(prgname)-1)) > 0)
+		if (readlink("/proc/self/exe", prgname, sizeof(prgname)-1) > 0)
 			return strrchr(prgname, '/') + 1;
 	}
 #endif