diff --git a/src/pydna/goldengate.py b/src/pydna/goldengate.py
index c16325d8..39d7ec33 100644
--- a/src/pydna/goldengate.py
+++ b/src/pydna/goldengate.py
@@ -22,86 +22,6 @@
 #  ~~^-~^_~^~/  \~^-~^~_~^-~_^~-^~_^~~-^~_~^~-~_~-^~_^/  \~^-~_~^-~~-
 # ~ _~~- ~^-^~-^~~- ^~_^-^~~_ -~^_ -~_-~~^- _~~_~-^_ ~^-^~~-_^-~ ~^
 
-from operator import add
-from functools import reduce
-from pydna.dseq import Dseq
-from pydna.dseqrecord import Dseqrecord
-import networkx as _nx
-from itertools import permutations
 import logging as _logging
 
 _module_logger = _logging.getLogger("pydna." + __name__)
-
-a = Dseqrecord(
-    Dseq.from_representation(
-        """
-                                        GATCaaa
-                                            tttTTCC"""
-    )
-)
-b = Dseqrecord(
-    Dseq.from_representation(
-        """
-                                        AAGGanna
-                                            ttntAGGA"""
-    )
-)
-c = Dseqrecord(
-    Dseq.from_representation(
-        """
-                                        TCCTcnnnn
-                                            gnnnnCTAG"""
-    )
-)
-
-d = Dseqrecord(
-    Dseq.from_representation(
-        """
-                                           Tcnnnn
-                                            gnnnnC"""
-    )
-)
-
-e = Dseqrecord(
-    Dseq.from_representation(
-        """
-                                            Gcnnnn
-                                             gnnnn"""
-    )
-)
-
-seqs = [a, b, c, d, e]
-G = _nx.DiGraph()
-G.add_nodes_from(["begin", "end"])
-
-for node in seqs:
-    G.add_edge("begin", node)
-    G.add_edge(node, "end")
-
-for seq1, seq2 in permutations(seqs, 2):
-    try:
-        seq1 + seq2
-    except TypeError as err:
-        if str(err) != "sticky ends not compatible!":
-            raise
-    else:
-        if seq1.seq.three_prime_end() != (
-            "blunt",
-            "",
-        ) and seq2.seq.five_prime_end() != ("blunt", ""):
-            G.add_edge(seq1, seq2)
-            G.remove_edge("begin", seq2)
-            G.remove_edge(seq1, "end")
-
-cpaths = sorted(_nx.simple_cycles(G), key=len, reverse=True)
-
-cseqs = [reduce(add, x).looped() for x in cpaths]
-
-lpaths = sorted(_nx.all_simple_paths(G, "begin", "end"), key=len, reverse=True)
-
-lseqs = [reduce(add, lp[1:-1]) for lp in lpaths]
-
-
-for s in cseqs + lseqs:
-    print(repr(s.seq))
-    print()
diff --git a/tests/prof/test_crispr.prof b/tests/prof/test_crispr.prof
new file mode 100644
index 00000000..738cb404
Binary files /dev/null and b/tests/prof/test_crispr.prof differ
diff --git a/tests/prof/test_ligate.prof b/tests/prof/test_ligate.prof
new file mode 100644
index 00000000..afd4c146
Binary files /dev/null and b/tests/prof/test_ligate.prof differ