diff --git a/iiod/iiod.c b/iiod/iiod.c
index 1fc7227b3..4e2d822ac 100644
--- a/iiod/iiod.c
+++ b/iiod/iiod.c
@@ -179,7 +179,6 @@ int main(int argc, char **argv)
 	int c, option_index = 0;
 	char *ffs_mountpoint = NULL;
 	char *uart_params = NULL;
-	char err_str[1024];
 	uint16_t port = IIOD_PORT;
 	int ret, ep0_fd = 0;
 
diff --git a/iiod/ops.c b/iiod/ops.c
index f34414a72..8fcb5cba3 100644
--- a/iiod/ops.c
+++ b/iiod/ops.c
@@ -427,7 +427,7 @@ static void rw_thd(struct thread_pool *pool, void *d)
 	struct ThdEntry *thd, *next_thd;
 	struct iio_device *dev = entry->dev;
 	struct iio_device_pdata *dev_pdata;
-	unsigned int i, nb_channels = iio_device_get_channels_count(dev);
+	unsigned int nb_channels = iio_device_get_channels_count(dev);
 	struct iio_channel *chn;
 	struct iio_block *block;
 	ssize_t nb_bytes, ret = 0;