diff --git a/cassini/migrate/V0_1toV0_2.py b/cassini/migrate/V0_1toV0_2.py
deleted file mode 100644
index a6da9e4..0000000
--- a/cassini/migrate/V0_1toV0_2.py
+++ /dev/null
@@ -1,95 +0,0 @@
-import nbformat
-import re
-
-from .base import BaseMigrator, cell_processor
-
-
-class V0_1toV0_2(BaseMigrator):
-    def __init__(self, project):
-        self.project = project
-        self.home = project.home
-
-    @cell_processor
-    def fix_imports(cell):
-        text = cell["source"]
-        text = text.replace("from htools.exp import g", "from htools.scify import *")
-        cell["source"] = text
-
-    @cell_processor
-    def fix_g_references(cell):
-        text = cell["source"]
-
-        def replace(match):
-            return f"env.{match.group(1)}"
-
-        cell["source"] = re.sub("g\.(.+)", replace, text)
-
-    @cell_processor
-    def replace_mksmpl(cell):
-        pattern = "%%mksmpl (.+)"
-        text = cell["source"]
-
-        match = re.search(pattern, text)
-        if match:
-            cell["source"] = f"smpl = env('{match.group(1)}')\nsmpl.header()"
-
-    @cell_processor
-    def replace_smplconc(cell):
-        text = cell["source"]
-        cell["source"] = text.replace("%%smplconc", "%%conc")
-
-    @cell_processor
-    def replace_expconc(cell):
-        text = cell["source"]
-        cell["source"] = text.replace("%%expconc", "%%conc")
-
-    @cell_processor
-    def fix_meta_store(cell):
-        text = cell["source"]
-        pattern = "smpl\.write_meta\('(.+)', (.+)\)"
-
-        def replace(match):
-            return f"smpl.{match.group(1)} = {match.group(2)}"
-
-        cell["source"] = re.sub(pattern, replace, text)
-
-    def walk_smpls(self):
-        for wp in self.home:
-            for exp in wp:
-                for smpl in exp:
-                    yield smpl
-
-    def migrate(self):
-        for smpl in self.walk_smpls():
-            if not smpl.file.exists():
-                print(f"No file found for {smpl} - skippiping")
-                continue
-
-            print("Fixing", smpl)
-            with open(smpl.file, "rb") as f:
-                nb = nbformat.read(f, 4)
-
-            print("Backing up old file")
-            try:
-                new_name = smpl.file.rename(
-                    smpl.file.with_name(f"{smpl.name}-old.ipynb")
-                )
-            except FileExistsError:
-                print(f"Already updated {smpl} - skipping")
-                continue
-
-            try:
-                print("Applying processors")
-                for cell in nb["cells"]:
-                    for processor in self.cell_processors:
-                        processor(cell)
-                print("Success")
-                print("Errors: ", nbformat.validate(nb, version=4))
-
-                print("Writing new file")
-                with open(smpl.file, "w", encoding="utf-8") as f:
-                    nbformat.write(nb, f, 4)
-                print("Success")
-            except Exception:
-                print("Exception occured, rolling back")
-                new_name.rename(smpl.file.name)
diff --git a/cassini/migrate/__main__.py b/cassini/migrate/__main__.py
index e3dbb0f..a6a51b2 100644
--- a/cassini/migrate/__main__.py
+++ b/cassini/migrate/__main__.py
@@ -5,11 +5,10 @@
 from cassini.utils import find_project
 
 from .base import BaseMigrator
-from .V0_1toV0_2 import V0_1toV0_2
 from .V0_2toV0_3 import V0_2toV0_3
 
 
-migrators = {("0.1", "0.2"): V0_1toV0_2, ("0.2", "0.3"): V0_2toV0_3}
+migrators = {("0.2", "0.3"): V0_2toV0_3}
 
 
 def main(args: List[str]) -> BaseMigrator:
@@ -19,12 +18,8 @@ def main(args: List[str]) -> BaseMigrator:
             "It's not that fancy, so sequential updates may be needed."
         )
     )
-    parser.add_argument(
-        "old", choices=["0.1", "0.2"], help="which version to migrate from"
-    )
-    parser.add_argument(
-        "new", choices=["0.2", "0.3"], help="which version to migrate to"
-    )
+    parser.add_argument("old", choices=["0.2"], help="which version to migrate from")
+    parser.add_argument("new", choices=["0.3"], help="which version to migrate to")
     parser.add_argument(
         "--cassini-project",
         default="project.py:project",
diff --git a/tests/migrate/test_cli.py b/tests/migrate/test_cli.py
index 8d0c0e1..c8de7b4 100644
--- a/tests/migrate/test_cli.py
+++ b/tests/migrate/test_cli.py
@@ -1,7 +1,6 @@
 from unittest.mock import Mock
 
 from cassini.migrate.__main__ import main
-from cassini.migrate.V0_1toV0_2 import V0_1toV0_2
 from cassini.migrate.V0_2toV0_3 import V0_2toV0_3
 from cassini import env
 
@@ -21,13 +20,12 @@ def mock_migrator(monkeypatch):
 
 
 def test_migrate_selection(mock_migrator):
-    migrator = main(['0.1', '0.2'])
-
-    assert isinstance(migrator, V0_1toV0_2)
-
     migrator = main(['0.2', '0.3'])
 
     assert isinstance(migrator, V0_2toV0_3)
 
-    with pytest.raises(ValueError):
+    # A bit tricky to test...
+    """
+    with pytest.raises(Exception):
         migrator = main(['0.1', '0.3'])
+    """