diff --git a/pybrica/__init__.py b/pybrica/__init__.py
index 632d9ad..31199eb 100644
--- a/pybrica/__init__.py
+++ b/pybrica/__init__.py
@@ -1,9 +1,7 @@
 from pybrica import messager
 from pybrica import component
-from pybrica import circuit
 from pybrica import scheduler
 
 from pybrica.messager import Messager
 from pybrica.component import Component
-from pybrica.circuit import Circuit
 from pybrica.scheduler import Scheduler
diff --git a/pybrica/circuit.py b/pybrica/circuit.py
deleted file mode 100644
index 277f725..0000000
--- a/pybrica/circuit.py
+++ /dev/null
@@ -1,17 +0,0 @@
-class Circuit(object):
-    def __init__(self, **components):
-        self.components = components
-        self.in_ports = []
-        self.out_port = None
-
-    def form(self, inputs, output):
-        targets = [self.components[key] for key in inputs]
-        self.components[output].connect(targets)
-        return self
-
-    def expose(self, inputs, output):
-        self.in_ports = []
-        for key in inputs:
-            self.in_ports += self.components[key].in_ports
-        self.out_port = self.components[output].out_port
-        return self
diff --git a/pybrica/scheduler.py b/pybrica/scheduler.py
index c976b36..766f101 100644
--- a/pybrica/scheduler.py
+++ b/pybrica/scheduler.py
@@ -10,12 +10,11 @@ def __init__(self, time, component, fire=True):
         def __lt__(self, other):
             return self.time < other.time
 
-    def __init__(self, circuit):
-        self.circuit = circuit
+    def __init__(self, *components):
         self.event_queue = queue.PriorityQueue()
 
-        for name in circuit.components:
-            component = circuit.components[name]
+        for component in components:
+            component = components[name]
             self.event_queue.put(Scheduler.Event(
                 component.offset,
                 component,
@@ -49,14 +48,3 @@ def next(self):
 
         for component in awake:
             component.fire()
-        
-
-    def __call__(self, *args):
-        assert(len(args) == len(self.circuit.in_ports))
-
-        for i, arg in enumerate(args):
-            self.circuit.in_ports[i].send(arg)
-
-        self.next()
-
-        return self.circuit.out_port.recv()