diff --git a/include/villas/nodes/loopback.hpp b/include/villas/nodes/loopback.hpp
index 892c44c5f..a7ec662af 100644
--- a/include/villas/nodes/loopback.hpp
+++ b/include/villas/nodes/loopback.hpp
@@ -43,7 +43,6 @@ struct loopback {
 	int queuelen;
 	enum QueueSignalledMode mode;
 	struct queue_signalled queue;
-	struct pool pool;
 };
 
 /** @see node_type::print */
diff --git a/lib/nodes/loopback.cpp b/lib/nodes/loopback.cpp
index a8c690e4e..26c76c264 100644
--- a/lib/nodes/loopback.cpp
+++ b/lib/nodes/loopback.cpp
@@ -36,13 +36,13 @@ int loopback_parse(struct vnode *n, json_t *cfg)
 	const char *mode_str = nullptr;
 
 	json_error_t err;
-	int ret;
+	int ret, copy = 1;
 
 	/* Default values */
 	l->mode = QueueSignalledMode::AUTO;
 	l->queuelen = DEFAULT_QUEUE_LENGTH;
 
-	ret = json_unpack_ex(cfg, &err, 0, "{ s?: i, s?: s }",
+	ret = json_unpack_ex(cfg, &err, 0, "{ s?: s }",
 		"queuelen", &l->queuelen,
 		"mode", &mode_str
 	);
@@ -68,6 +68,8 @@ int loopback_parse(struct vnode *n, json_t *cfg)
 			error("Unknown mode '%s' in node %s", mode_str, node_name(n));
 	}
 
+	l->copy = copy;
+
 	return 0;
 }
 
@@ -76,14 +78,7 @@ int loopback_start(struct vnode *n)
 	int ret;
 	struct loopback *l = (struct loopback *) n->_vd;
 
-	int len = MAX(
-		vlist_length(&n->in.signals),
-		vlist_length(&n->out.signals)
-	);
-
-	ret = pool_init(&l->pool, l->queuelen, SAMPLE_LENGTH(len));
-	if (ret)
-		return ret;
+	int len = vlist_length(&n->in.signals);
 
 	return queue_signalled_init(&l->queue, l->queuelen, memory_default, l->mode);
 }
@@ -93,10 +88,6 @@ int loopback_stop(struct vnode *n)
 	int ret;
 	struct loopback *l= (struct loopback *) n->_vd;
 
-	ret = pool_destroy(&l->pool);
-	if (ret)
-		return ret;
-
 	return queue_signalled_destroy(&l->queue);
 }
 
@@ -120,17 +111,10 @@ int loopback_read(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned
 int loopback_write(struct vnode *n, struct sample *smps[], unsigned cnt, unsigned *release)
 {
 	struct loopback *l = (struct loopback *) n->_vd;
-	struct sample *copies[cnt];
 
-	unsigned copied;
+	sample_incref_many(smps, cnt);
 
-	copied = sample_alloc_many(&l->pool, copies, cnt);
-	if (copied < cnt)
-		warning("Pool underrun for node %s", node_name(n));
-
-	sample_copy_many(copies, smps, copied);
-
-	return queue_signalled_push_many(&l->queue, (void **) copies, copied);
+	return queue_signalled_push_many(&l->queue, (void **) smps, cnt);
 }
 
 char * loopback_print(struct vnode *n)