diff --git a/lib/hooks/dft.cpp b/lib/hooks/dft.cpp
index 03fa1fb31..eb73acda4 100644
--- a/lib/hooks/dft.cpp
+++ b/lib/hooks/dft.cpp
@@ -377,7 +377,7 @@ public:
 		}
 	}
 
-	/** mem size needs to be equal to window size **/
+	/* mem size needs to be equal to window size */
 	void calcDft(paddingType padding, double *ringBuffer, uint ringBufferPos) {
 
 		//prepare sample window The following parts can be combined
@@ -423,8 +423,9 @@ public:
 								+ 0.006947368 * cos(8 * M_PI * i / (window_size));
 				window_corretion_factor += filterWindowCoefficents[i];
 			}
-		}else if (window_type_in == windowType::HAMMING || window_type_in == windowType::HANN) {
-			double a_0 = 0.5;//this is the hann window
+		}
+		else if (window_type_in == windowType::HAMMING || window_type_in == windowType::HANN) {
+			double a_0 = 0.5; //this is the hann window
 			if (window_type_in == windowType::HAMMING)
 				a_0 = 25./46;
 
diff --git a/lib/nodes/mqtt.cpp b/lib/nodes/mqtt.cpp
index 89f8b0664..d6428c9cf 100644
--- a/lib/nodes/mqtt.cpp
+++ b/lib/nodes/mqtt.cpp
@@ -217,47 +217,6 @@ mosquitto_error:
 	return ret;
 }
 
-int mqtt_prepare(struct vnode *n){
-
-	int ret;
-	struct mqtt *m = (struct mqtt *) n->_vd;
-
-	if (m->username && m->password) {
-		ret = mosquitto_username_pw_set(m->client, m->username, m->password);
-		if (ret != MOSQ_ERR_SUCCESS)
-			goto mosquitto_error;
-	}
-
-	if (m->ssl.enabled) {
-		ret = mosquitto_tls_set(m->client, m->ssl.cafile, m->ssl.capath, m->ssl.certfile, m->ssl.keyfile, nullptr);
-		if (ret != MOSQ_ERR_SUCCESS)
-			goto mosquitto_error;
-
-		ret = mosquitto_tls_insecure_set(m->client, m->ssl.insecure);
-		if (ret != MOSQ_ERR_SUCCESS)
-			goto mosquitto_error;
-	}
-
-	ret = io_init(&m->io, m->format, &n->in.signals, (int) SampleFlags::HAS_ALL & ~(int) SampleFlags::HAS_OFFSET);
-	if (ret)
-		return ret;
-
-	ret = pool_init(&m->pool, 1024, SAMPLE_LENGTH(vlist_length(&n->in.signals)));
-	if (ret)
-		return ret;
-
-	ret = queue_signalled_init(&m->queue, 1024);
-	if (ret)
-		return ret;
-
-	return 0;
-
-mosquitto_error:
-	warning("MQTT: %s", mosquitto_strerror(ret));
-
-	return ret;
-}
-
 int mqtt_parse(struct vnode *n, json_t *cfg)
 {
 	int ret;