diff --git a/nodes/sine.py b/nodes/sine.py
deleted file mode 100644
--- a/nodes/sine.py
+++ /dev/null
@@ -1,21 +0,0 @@
-"""node that generates a sine wave"""
-
-
-class SineGenerator(Node):
-    def op(self, input, output, stateaccess):
-
-        # input and output have names
-        output.sin = stateaccess.magnitude * math.sin(stateaccess.phase+input.time)
-
-        """
-        # dict-style access for names with spaces
-        output['sin'] = input['ti me']
-        # underscore magic for accessing names with spaces-- the port object makes
-        # this work
-        output.sin=input.ti_me
-
-        input.time = input.money
-        """
-
-    def getports(self):
-        return OutputPort('sin'), InputPort('time'), InputPort('money')