diff --git a/docs/user-guide/dream/dream-instrument-view.ipynb b/docs/user-guide/dream/dream-instrument-view.ipynb
index 8987b224..ad4dc3fa 100644
--- a/docs/user-guide/dream/dream-instrument-view.ipynb
+++ b/docs/user-guide/dream/dream-instrument-view.ipynb
@@ -183,7 +183,7 @@
    },
    "outputs": [],
    "source": [
-    "mantle_view = dream.instrument_view(dg[\"mantle\"].hist(wavelength=50), dim=\"wavelength\")\n",
+    "mantle_view = dream.instrument_view(dg[\"mantle\"].hist(tof=50), dim=\"tof\")\n",
     "mantle_view"
    ]
   },
@@ -201,7 +201,7 @@
    },
    "outputs": [],
    "source": [
-    "mantle_view[1].controls[\"wavelength\"][\"slider\"].value = 43"
+    "mantle_view[1].controls[\"tof\"][\"slider\"].value = 43"
    ]
   },
   {
@@ -242,7 +242,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.13"
+   "version": "3.10.14"
   }
  },
  "nbformat": 4,
diff --git a/src/ess/dream/io/geant4.py b/src/ess/dream/io/geant4.py
index 85070ada..50fb896b 100644
--- a/src/ess/dream/io/geant4.py
+++ b/src/ess/dream/io/geant4.py
@@ -83,6 +83,7 @@ def _load_raw_events(file_path: str) -> sc.DataArray:
         file_path, sep="\t", header_parser="bracket", data_columns=[]
     )
     table = table.rename_dims(row="event")
+    table.coords.pop("lambda")
     return sc.DataArray(
         sc.ones(sizes=table.sizes, with_variances=True, unit="counts"),
         coords=table.coords,
@@ -90,8 +91,6 @@ def _load_raw_events(file_path: str) -> sc.DataArray:
 
 
 def _adjust_coords(da: sc.DataArray) -> None:
-    da.coords["wavelength"] = da.coords.pop("lambda")
-    da.coords["wavelength"].unit = "angstrom"
     da.coords["position"] = sc.spatial.as_vectors(
         da.coords.pop("x_pos"), da.coords.pop("y_pos"), da.coords.pop("z_pos")
     )
diff --git a/tests/dream/io/geant4_test.py b/tests/dream/io/geant4_test.py
index b97bcc7f..b2162a16 100644
--- a/tests/dream/io/geant4_test.py
+++ b/tests/dream/io/geant4_test.py
@@ -113,7 +113,6 @@ def test_load_geant4_csv_mantle_has_expected_coords(file):
 
     assert "sector" not in mantle.bins.coords
     assert "tof" in mantle.bins.coords
-    assert "wavelength" in mantle.bins.coords
     assert "position" in mantle.coords
 
 
@@ -128,7 +127,6 @@ def test_load_geant4_csv_endcap_backward_has_expected_coords(file):
 
     assert "sector" not in endcap.bins.coords
     assert "tof" in endcap.bins.coords
-    assert "wavelength" in endcap.bins.coords
     assert "position" in endcap.coords
 
 
@@ -143,7 +141,6 @@ def test_load_geant4_csv_endcap_forward_has_expected_coords(file):
 
     assert "sector" not in endcap.bins.coords
     assert "tof" in endcap.bins.coords
-    assert "wavelength" in endcap.bins.coords
     assert "position" in endcap.coords
 
 
@@ -157,7 +154,6 @@ def test_load_geant4_csv_high_resolution_has_expected_coords(file):
     assert_index_coord(hr.coords["sector"], values=set(range(1, 5)))
 
     assert "tof" in hr.bins.coords
-    assert "wavelength" in hr.bins.coords
     assert "position" in hr.coords
 
 
@@ -174,7 +170,6 @@ def test_load_geant4_csv_sans_has_expected_coords(file):
         assert_index_coord(sans.coords["sector"], values=set(range(1, 5)))
 
     assert "tof" in sans.bins.coords
-    assert "wavelength" in sans.bins.coords
     assert "position" in sans.coords