diff --git a/test/test_sfg.py b/test/test_sfg.py
index e9ee82b872d5ecf725f617a20c1af7c3ea7a9f57..8f144b7a936d03e2aa3e309d22d972d7841088b6 100644
--- a/test/test_sfg.py
+++ b/test/test_sfg.py
@@ -708,116 +708,3 @@ class TestTopologicalOrderOperations:
 
         assert [comp.name for comp in topological_order] == ["IN1", "OUT1", "IN2", "C1", "ADD1", "OUT2"]
 
-class TestShowPrecedenceGraph:
-
-    def create_sfg(self, op_tree):
-        """ Create a simple SFG with either operation_tree or large_operation_tree """
-        sfg1 = SFG(outputs=[Output(op_tree)])
-
-        inp1 = Input("INP1")
-        inp2 = Input("INP2")
-        out1 = Output(None, "OUT1")
-        add1 = Addition(None, None, "ADD1")
-        add2 = Addition(None, None, "ADD2")
-
-        add1.input(0).connect(inp1, "S1")
-        add1.input(1).connect(inp2, "S2")
-        add2.input(0).connect(add1, "S3")
-        add2.input(1).connect(sfg1.outputs[0], "S4")
-        out1.input(0).connect(add2, "S5")
-
-        return SFG(inputs=[inp1, inp2], outputs=[out1])
-
-    def test_show_pg_large_operation_tree(self, large_operation_tree):
-        """ Creates a SFG of a large operation tree and displays its Precedence Graph. """
-        test_sfg = SFG(outputs=[Output(large_operation_tree)])
-        
-        #test_sfg.show_precedence_graph()
-
-    def test_show_pg_operation_tree(self, operation_tree):
-        """ Creates a SFG of a operation tree and displays its Precedence Graph. """
-        test_sfg = SFG(outputs=[Output(operation_tree)])
-
-        #test_sfg.show_precedence_graph()
-
-    def test_show_pg_many_op(self, large_operation_tree):
-        """ Creates a large SFG with several of the operations having several outputs connecting to other operations. 
-        Displays its Precedence Graph. """
-        inp1 = Input("INP1")
-        inp2 = Input("INP2")
-        inp3 = Input("INP3")
-        inp4 = Input("INP4")
-        out1 = Output(None, "OUT1")
-        out2 = Output(None, "OUT2")
-        out3 = Output(None, "OUT3")
-        out4 = Output(None, "OUT4")
-        out5 = Output(None, "OUT5")
-        out6 = Output(None, "OUT6")
-        
-        add1 = Addition(None, None, "ADD1")
-        sub1 = Subtraction(None, None, "SUB1")
-        add2 = Addition(None, None, "ADD2")
-        add3 = Addition(None, None, "ADD3")
-
-        sfg1 = self.create_sfg(large_operation_tree)
-
-        add1.input(0).connect(inp1, "S1")
-        add1.input(1).connect(inp2, "S2")
-        sfg1.input(0).connect(add1, "S3")
-        sfg1.input(1).connect(inp3, "S4")
-        sub1.input(0).connect(sfg1.outputs[0], "S5")
-        sub1.input(1).connect(inp4, "S6")
-        out1.input(0).connect(sub1, "S7")
-        add2.input(0).connect(sfg1.outputs[0], "S8")
-        add2.input(1).connect(sub1, "S9")
-        out2.input(0).connect(add2, "S10")
-        out3.input(0).connect(add1, "S11")
-        out4.input(0).connect(sub1, "S12")
-        out5.input(0).connect(add2, "S13")
-        add3.input(0).connect(add1, "S14")
-        add3.input(1).connect(add2, "S15")
-        out6.input(0).connect(add3, "S16")
-
-        test_sfg = SFG(inputs=[inp1, inp2, inp3, inp4], outputs=[out1, out2, out3, out4, out5, out6])
-        #test_sfg.show_precedence_graph()
-
-    def test_show_pg_many_op_butterfly(self, large_operation_tree):
-        """ Creates a large SFG with several of the operations having several outputs connecting to other operations. 
-        Displays its Precedence Graph. """
-        inp1 = Input("INP1")
-        inp2 = Input("INP2")
-        inp3 = Input("INP3")
-        inp4 = Input("INP4")
-        out1 = Output(None, "OUT1")
-        out2 = Output(None, "OUT2")
-        out3 = Output(None, "OUT3")
-        out4 = Output(None, "OUT4")
-        out5 = Output(None, "OUT5")
-        out6 = Output(None, "OUT6")
-        
-        add1 = Addition(None, None, "ADD1")
-        but1 = Butterfly(None, None, "BUT1")
-        add2 = Addition(None, None, "ADD2")
-        add3 = Addition(None, None, "ADD3")
-
-        sfg1 = self.create_sfg(large_operation_tree)
-
-        add1.input(0).connect(inp1, "S1")
-        add1.input(1).connect(inp2, "S2")
-        sfg1.input(0).connect(add1, "S3")
-        sfg1.input(1).connect(inp3, "S4")
-        but1.input(0).connect(sfg1.outputs[0], "S5")
-        but1.input(1).connect(inp4, "S6")
-        out1.input(0).connect(but1.output(0), "S7")
-        add2.input(0).connect(sfg1.outputs[0], "S8")
-        add2.input(1).connect(but1.output(1), "S9")
-        out2.input(0).connect(add2, "S10")
-        out3.input(0).connect(add1, "S11")
-        out4.input(0).connect(but1.output(1), "S12")
-        out5.input(0).connect(add2, "S13")
-        add3.input(0).connect(add1, "S14")
-        add3.input(1).connect(add2, "S15")
-        out6.input(0).connect(add3, "S16")
-
-        test_sfg = SFG(inputs=[inp1, inp2, inp3, inp4], outputs=[out1, out2, out3, out4, out5, out6])
-        #test_sfg.show_precedence_graph()